Eimac 8877 tube

 

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99 Pair Of Eimac 3cx1500a7 Power Triode Vacuum Tubes For Display - $9. World's leading marketplace. 9/09/2012 · Lately I've noticed that the cost of 8877's has really been climbing, especially the Eimac variety at over $1200-1800 each! Recently a friend turned …While the 8877 is a good tube with excellent IM characteristics and very high gain, it is probably the more problem plagued tube Eimac manufactures. This is the most asked question: "Why don't you simply use the cheaper 4CX800 Russian tube in your conversion instead of the Eimac 3CX800?" A pair of 3CX800 tubes is a natural replacement for the 8874 trio. $738. I believe the FCC part 97 rules prevent marketing an amp with gains much over 10 db so grounded grid circuits are used to limit the gains to about 10 db. Radio tubes are valves. you will not find one better. Its a bit of a disconnect but for accuracy a tube with an Eimac logo would be …Eimac designs and produces power tubes for broadcast, communications, radar, industrial heating, semiconductor processing, science and medical applications, with customers located in virtually every country in the world. 00, Buy New Used and Refurbished Everything Else HP 623B Operating & Service Manual. Store Information. Comes in Eimac box. counterpart. never reach the 8877 unless that tube has plate Just like the ad says; I still have some EIMAC 3CPX1500A7 (8877) (YC257) tubes that are pulls but are in very good condition. all tubes are tested before shipment. High Temperature Silicone Rubber Chimney for 3CX1500 / 8877 tubes in the Alpha 77Dx, 77Sx. The pulls were pulled from medical applications duringEstablished in 2005, Puri Tronik has been a leading name in offering top notch Electronic Products & Components. Our offered Eimac 3CX400A7 / 8874 Ham Radio is widely appreciated by our customers, which are situated all round the nation. 00The tube must be protected from severe vibration and shock. This page describes the construction of a 1500-watt 2m amplifier using an 8877. type 3cw-5,000-a3 / 8242 water cooled power triode tube nos nib new in original box. Add to Eimac 3CX1500A7 8877 NOS Tube 4 Amplifier Linear Alpha C MY OTHER HAM RADIO GEAR $ 749. 8877 TUBE SOCKET and Chimney for Ham Radio DIY Amplifier Project - $70. Good Day to you and thanks for stopping by. EXTENDING . "Eimac recommend 3 minute pre-heating on 8877's and 3CX800's, YOU MUST use a 3 minute timer to prevent damage to these expensive tubes! * indicates that there is a balancing/bleeder resistor across each electrolytic capacitor the value being 47K at 12 watt. 4CX7500A. pdf · PDF fileA Legal-Limit Amplifier for 160 through 10 Meters The amplifier described here is an update of the 1500-W output legal-limit amplifier described in the 1985 and 1986 ARRL Handbooks. EIMAC original tube socket and chimney assembly type SK-2210 and SK-2216 - strapped for grounded grid applications with about half inch silver flat stock to reduce inductance at high THIS OFFERING I have a good supply of excellent EIMAC YU209/8877/3CX1500A7 pulls for sale. There were also provisions for full-brk-in QSK keying and electronic biasing of the cathode. Limited Quantity Available, New Old Stock. pdf (1159932 bytes) 3CX20000A7 Eimac T~ 3CX20000A7 3CX15000A7 vacuum tube electron tube is a metal and ceramic broadcast triode zero bias class B rf amplifier or class C power amplifier or oscillator. Located in Medan, Sumatera Utara, we offer the best quality Eimac 3CX1500A7 / 8877 Ham Radio to our customers at best prices in the industry. Tube amplifier input circuit. 3CX800A7, EIMAC Click here for a parts chart for the 383-0800-A7-2. $729. Where possible, Eimac data sheets are provided, as Eimac tubes are used by so many hams. CPI-Eimac is a leading Special Price $1,200. A 1500-W-Output Amplifier for 160 Meters 10 BLOWER It uses an EIMAC 3CX1500A7/8877 in grounded-grid config- and the tube is cut off. The design follows the classic W6PO design which is described in the Eimac Notes. This is a surplus power amplifier from a NOAA installation that was decommissioned. 8877 Tube Tester evolves into Linear Amplifer « on: June 15, 2010, 11:46:30 AM » One of my ham friends in town was looking for a way to test 8877 tubes that he acquires as pulls from medical equipment, and approached me for a solution. $670. This sale is for one vintage unused Eimac 3CX1500A7 aka 8877 Triode. I. The 3CX1500A7/8877 power triode is designed for use as a cathode driven Class AB2 or Class B amplifier, in audio or RF applications including the VHF band or as a cathode driven plate modulator Class C RF amplifier. Supplier of new and pre-owned vacuum equipment, components, systems and spares from Balzers, Edwards, Leybold, Inficon and others involved in optical and semiconductor thin film deposition Eimac 8877 - $525. One of the easier projects for the amateur to undertake is the construction of an amplifier for. 90 Eimac 8877 3cx1500a7 Electron Tube - $525. eimac 3cx400a7 Is Similar To: 4cx5000a Power Tetrode Econco Eimac Ceramic Ham Commercial Transmitter Tube (33. hell of a learning experience first multiband hf amp build . These tubes are from medical applications …Eimac Amateur Service Newsletter AN-42, February 1971, has an excellent design for an 8877 amp on 6M using a Pi-network in which the tube capacitance forms the input capacitor of the Pi-net, and a variable (shorted turn) coil is use as the main TUNE control and 100 pF Pi-net output LOAD capacitor. Ive used Hytron 6550's exclusively in a CE 100V, they were the only brand to hold up for a full 48 hours of contesting. Shop with confidence. pdf (1139038 bytes) 3CX20000A3 Eimac T~ 3CX20000A3. Operation of this tube at 50 Mhz proved to be so satisfactory that other 8877 amplifiers have been designed and built for frequencies up to 350Mhz. Buy Now! $1,400. Obviously ignore their $1 pricing for the Eimac 8877, it's a typo. 5 KW Output Linear Amplifier with T/R QSK Switch Includes time delay starting and over-current protection. $750. Eimac Air System socket for 3CX1500A7/8877 Eimac recommends a Q of 2 for the pi network tuned input on 3-500Zs. This tube is the newer version of the 3CPX5000A7 and has a slightly different base than the YC-156. 4CX1000A. radio frequency 898405r eimac triode vaccum pump brodcast tube getter 3cx10000a3, radio frequency 898405r eimac triode vaccum pump brodcast tube getter 3cx10000a3, plasma therm 3kw 1356mhz rf generator eimac 5cx1500a jenning ucs300 hfs 3000d, radio frequency 898404r eimac triode vaccum pump brodcast tube getter, eimac 4cx3000a 8169 surplus new Hi Bob and Chris, Why not just stick an 8874 in it. 96. I BELIEVE IT IS IN THE ORIGINAL BOX AND IT HAS A STICKER ON IT THAT SAYS, "HSL 518 1900 OUT150 GRID 890MA PLATE 3200V 100W DR 3-98. 25V maximum. Eimac Power Grid - Quick Reference Data Sheet. 75V minimum to 5. The table below concentrates mainly on the larger dissipation devices from Eimac. 194 Top view of the 8877 amplifier. Yu-158 Eimac Rf Tube With (40% similar) Brand: Eimac , Model: YU-158 , MPN: YU-158 , Review mpn: 8877-3cx1500 for sale 8877-3CX1500 Eimac Yu-158 Rf Tube Socket Chimney Used . 95 Mellanox Cx314a Mcx314a-bcct Connectx-3 Pro 40gbe Dual-port Qsfp+ 3x Eimac 8877 Power Triode Amplifier Tube For Ham Radio Operations. Class B operation at zero bias simplifiers circuitry by eliminating the bias supply circuit. pdf (424954 bytes) 8890 RCA (HB3) Q~ 8890. . View and Download AntennaWorks 8877 user manual online. prevents keying the amplifier until the tube S1 also starts K3, a three-minute time tuned input The 8877/3CX1500A7 is a(n) fac triode manufactured by CPI-Eimac. The pulls were pulled from medical applications during Factory New Eimac 3CX1500A7 / 8877 Ham Radio / Broadcast Tube ON SALE This is not a surplus tube. YU209 Transmitting Tube, YU209/3CX1500A7/8877. Title: 8873 8874 8875 Author: Eimac Subject: FP-2003-02-18 Created Date: 2/18/2003 9:25:51 PM Eimac Amateur Service Newsletter AN-42, February 1971, has an excellent design for an 8877 amp on 6M using a Pi-network in which the tube capacitance forms the input capacitor of the Pi-net, and a variable (shorted turn) coil is use as the main TUNE control and 100 pF Pi-net output LOAD capacitor. 99 Max-Gain Systems, Inc. 00 Tube Eimac Yc-236, New, Selected Class Of Tubes 8877 And 3cx1500a7. pdf (1139038 bytes) 889 Amperex T~ 889. I bought this as a spare and never used it. 00 This item has been shown 0 times. Up for consideration is a Eimac YU-158 transmitter tube. 14. 50. Follow Eimac 3-400Z Grounded Grid Linear Amplifier Build For Amateur Radio. High Temperature Silicone Rubber Chimney for 3CX1500 / 8877 tubes in the Alpha 77Dx, 77Sx. TUBE SOCKETS CURRENT AS OF 10-04-11 Large Transmitting Tube Sockets SK14 SK84 SK184A SK211 SK300A SK375 SK510S SK728 SK800B SK1300 SK1420 TUBE SOCKETS SK13 We can special order tube sockets not listed. 8877 Eimac T~ 8877. 50,000J. The 8877/3CX1500A7 is a(n) fac triode manufactured by CPI-Eimac. I carry a selection of EIMAC tubes , JENNINGS Vacuum variables and relays, BIRD line sections ,dummy loads, attenuators, and slugs, CSR high voltage door knob capacitors, plus For Sale: Used Eimac 8877 / 3CX1500A7 Date Code:7709 This tube is from the Hilton Head Estate! The markings on the box suggest that it is a good used tube. Tube . Blackstar Series One . Tube Eimac Yc-236, - $1,350. Collectible Vintage Philips Console Tube Radio And Phonograph. 000D. TRANSMITTER TUBE LIFE . $900. Utilizes a commercial grade die-cast ball bearing blower This item has been shown 0 times. 75V. Shop with confidence on eBay!Find great deals for Eimac 3cx1500a7 / 8877 Ham Radio Tube. 5B to produce more than 1 kW of power and is designed for applications requiring 250 to 1100 watts of RF power. It is electrically the same tube and plugs in the socket. 263996381708 Find More Eimac Tube View a vast selection of Eimac Tube, all carefully selected. in the 70's and it is trouble-free and very easy to get operational and Vacuum Tubes Sort by Featured Best Selling Alphabetically, A-Z Alphabetically, Z-A Price, low to high Price, high to low Date, new to old Date, old to new FiltersEIMAC 3CX1500A7 / 8877 TUBE PLUS SK-2210 / SK-2216 tubes socket and chimney ( \= strapped for grounded-grid service plus silver plated anode contact ring /NOTE - 8877 tube shown is INCLUDED in 12/03/2017 · What medical equipment specifically, required the 3CX1500A7/8877 tube(s) to operate, and was the device generating RF in its original application (3CX1500A7) ? Perhaps an early M. The pulls were pulled from medical applications during routine. It has the potential to output 2000 watts of R. * * I forgot…. The 8877 will easily deliver 1500-W RF output with the drive levels afforded by most 100-W-class transceivers. 86. Here is some data on the power triodes that might be usable by amateurs for radio projects. Factory New Eimac 3CX1500A7 / 8877 Ham Radio / Broadcast Tube ON SALE Description | Eimac, now part of CPI’s Microwave Power Products Division, was founded in 1934 as Eitel-McCullough, Inc. SOCKET - The EIMAC SK-410 air system socket and the SK-406 chimney are recommended for use with the 3-500Z. Call SK820 Eimac Socket for 4CX1000K Call SK840B Air system socket. I just received another shipment of VERY nice 8877/3CX1500A7/YU209 Eimac pulls + one NEW one. Tube & Rod – Fiberglass (FRP), Structural, Preformed Shapes, Round Hollow Tube, Round Solid Rod, Square Hollow Tube Antenna Spreader Kits & Building Products – Fiberglass Pultruded Tube And Rod Spreaders Just like the ad says; I still have some EIMAC 3CPX1500A7 (8877) (YC257) tubes that are pulls but are in very good condition. The 3CX15,000 A7 is a high-mu power triode intended for use as a zero bias Class B RF amplifier or Class C power amplifier or oscillator. Serial# TKP-0177 $750. There is no way to tell without comparing the actual specification and how it was developed. It will be very well packed to ensure safe delivery. Most of the illegals don't buy from newsgroup advertisers. The new Eimac 8877 is a ceramic/metal high-mu triode rated for use up to 250 Mhz. CPI Microwave Power Products Eimac Operation APPLICATION BULLETIN no. Eimac Tube Recent Eimac Tube Purchases: Vacuum Tubes Electronic, Nixie, Tube 1pcs NEW eimac 3CX1500A7 8877 RF Power Tube electron Tube C1T9A, 8877 3CX1500A7 Tube 8877 or Röhre 8877 ID31234, Transmitting Triode, air cooled, TRANSMITTER-Base in gneral and Power/Output shown. also, the tube serial numbers don't match the box serial numbers. For One Unused Eimac 8877 3cx1500a7 Power Triode Tube + Gift. BIRD 5000H SLUG 3-30 MHZ. 3CX1500A / 8877 TUBE, EIMAC Click here for a parts chart for the 383-1500-A7-2. Amp. These are . Handling time is specified as 10 business days but we will try to ship in about 5 days. High Power tubes. 0% positiveLocation: Circle Pines, MinnesotaA Legal Limit Amplifier for 160 through 10 Meters - OK1RRok1rr. 3CX1500A7/8877 . Compare Prices. 4cx250bm Eimac Nos 7203a Transmitter Tube Ham Radio And Professional Broadcast Eimac 8877. The EIMAC 8877/3CX1500A7 is a rugged ceramic/metal power triode designed for use as a cathode driven Class AB2 or Class B amplifier, in. A. Eimac 8877 RF Power Transmitting Tube Tested Very Good w/ Data Sheet $ 791. eimac 8877 tube According to an Eimac engineering note, the maximum energy the grid circuit of a typical Eimac YC-179 or 8877 can take is 4 Joules. Pictures / date codes etc available upon request. 95 HR6-tall Same as above. Sisido's "Roll over inter-stage transformer Amps " using transmitting tubes designed for B & C class operation. An employee of tube manufacturer Eimac for nearly 50 years, Sutherland, who directed the Advanced Products Lab, developed some of the more famous Eimac tube-based amps. Similar to the YC-179A. 99Eimac Radio Communication Tubes. The 3CX1000A7 is an old but interesting tube. Notes indicate that the item is used but in working condition. New Old Stock. 25/11/2018 · EIMAC 8877 3CX1500A7 ELECTRON TUBE PLUS HOUSING AND BASE AND WHATEVER THESE OTHER PARTS ARE SEE PICTURES THIS CAME OUT OF AN IRIS INTREPID USED The last one has no box I updated the picture so what u see is what u will RECEIVE Was removed from IRIS INTREPID MACHINE NOT SURE WHAT IT WAS BUT UNIT STILL WORKED SO THIS …Seller Rating: 100. However, I don't have data sheets for all tubes. Eimac 264 . 845. We no longer carry, nor do we recommend EIMAC tubes. Ameritron AL-811HX: 800W HF Power Amplifier, 4 x 811A Tubes, 205-250VAC . Eimac 8930 Is Similar To: Tubes Jan 6cl8a Vacuum Pcs 2 Nib Audio Nos Radio Sylvania (31. Vacuum Tubes Sort by Featured Best Selling Alphabetically, A-Z Alphabetically, Z-A Price, low to high Price, high to low Date, new to old Date, old to new Filters Tubes and RF Components for sale. These are not full data sheets. Eimac socket fits 4CX5000, 4CX10,000 & 4CX15,000 series tubes. prevents keying the amplifier until the tube S1 also starts K3, a three-minute time tuned input Find great deals for Eimac 8877 3CX1500A7 Power Triode Amplifier Tube With Socket & Chimney. The three meters are separated from the rf compartment with an aluminum shield. We have had good performance from Greenstone tubes. active in ham radio since first licensed as a junior in high school 1958. New Greenstone 3cx3000a7 Ceramic Transmitting Tube Guaranteed. Original Eimac tube. A Sweep Tube Linear Amplifier. It’s kind of a cross between an 8877 and a 3-1000Z tube. Mica capacitors (C1, C2) are used to distribute the driving signal to the filaments of the tubes. Quality Mobile Video 315,669 views 10-160M 8877 amplifier. I talked to the Ameritron guys last week at the Hamvention about the two tubes because they now offer the AL1500 at two prices, one with the Eimac tube and a cheaper AL1500 with the Chinese 8877. We know who the major suppliers are. Eimac New - $975. 95V when the amplifier is operated at the U. 00. Find Eimac 8875 Tube related suppliers, manufacturers, products and specifications on GlobalSpec - a trusted source of Eimac 8875 Tube information. This tube is brand new with current date code and has never seen a socket. Here is the Eimac tube by itself. Data For info: here is the datasheet of the 3CX1500A7/8877 from Eimac®. the tube will be carefully packed and shipped with insurance to its destination. 99. A GOOD TECH WILL NOT MAKE IGNORANT COMMENTS. I think most people overlooked it due to high hours believe was in the 9000 hours of use . up for bid in this auction is an "eimac" electron tube with the numbers, 8877 and 3cx1500a7 yu-158. I priced the tube about 1 1/2 years ago. eimac 8877 tubeEIMAC 3CX1500A7/8877 product reviews by real people like you. About Highlighting a …Title: 8873 8874 8875 Author: Eimac Subject: FP-2003-02-18 Created Date: 2/18/2003 9:25:51 PMFACTORY NEW EIMAC 3CX1500A7 / 8877 Ham Radio / Broadcast Tube ON SALE - $1,775. Only 1 left! 7 Watching. This was acquired by my sister and I from our late father's estate. if you do find one they are most likly has a lot of wear. pdf (387360 bytes Eimac 8877 EI Ceramic Triode Transmitting Tube ON SALE $795. We will combine shipping on auctions if possible. Inside the aluminum enclosures are an input reflectometer used for radio energy sensing/matching to the transmitter, and a high voltage (4000 volts) sensing circuit for plate voltage. AC Cabinets BS1 Dimensions: 12 1/4" x 13 1/2" x 10 1/4" This cabinet IS designed for a compliment of GI46B GI7B GS31B or power supply And more. 99 Eimac 3cx1500a7 8877 Nos Tube 4 Amplifier Linear Alpha C My Other Ham Radio Gear - $749. The El MAC 3CX800A7 is a cmpact power triode intended for use as a cathode-driven Class AB2 or Class B anpl i fier in rf appl I— cat ions includ ing the VHF band. C $689. The "500 hrs" russian tube may very well have a longer usable lifetime than a "2000 hrs" Eimac tube, or it may not. This efficient easy-to-tune grounded-grid 8877 amplifier can be run at 2000 watts PEP ssb or 1000 watts cw. 4cx250bm Eimac - $199. You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. 3CX1500A7/8877 30 4CX600F 63 8162/3CX3000F7 33 8930 73 EIMAC tube types suitable for the application are tabulated in descending order of the most Most of these "Rusky" tubes (8877/3CX1500A7, 8802/3-500Z, etc) are always available and reliable, as performing as their U. NOS BEAM TETRODE ELECTRON TUBE 8168/4CX1000A Mfg. Lately I've noticed that the cost of 8877's has really been climbing, especially the Eimac variety at over $1200-1800 each! Recently a friend turned me on to an alternative, which is the 3CPX1500A7. 10-160M 8877 amplifier. 1. However I sold that amp many years ago. I believe their quote was on the order of $600 - $700. Brand new, old stock is in the box. Eimac yc-257 power triode amplifier tube for ham. couldn't talk my lady into another power box ran to our house to build amps this big. Eimac 100th Tube, untested High Power tubes. 2 Meter 144 to 148 MHz 2500 Watt 8877 Amplifier. Please note that you will only receive what included in the This is the backside of the amplifier where the cooling blower can be seen. I will always endeavour to sort it out for you as quickly as possible See complete description Notify me before the end of the auction Tube Division, EIMAC, Division of Varian, 301 Industrial Way, San Carlos, California 94070 for Information and recommendations. Note, that quick-reference (1-page summaries) of the all Eimac power tubes publicly available can be found at the product overview on Eimac's web site. a two-kl lowatt amplifier using the eimac 8877 triode. $400. $791. The 8877/3CX1500A7 is primarily used in broadcast applications. 8877 Amplifier pdf manual download. d. 99 Behringer Cx3400 Super-x Pro Stereo 2 Or 3way Mono 4way High Precision Crossover Mellanox Cx314a - $199. tubes, which is isolated from ground by a bifilar RF choke (RFC-4). 4-1000A. While the 8877 is a good tube with excellent IM characteristics and very high gain, it is probably the more problem plagued tube Eimac manufactures. 00 5 Ton M. R. Eimac YU-209 amplifier tube 8877, 3cx1500a7: $300. Please read description carefully. We are a leading provider of Eimac Tube, find a wide and ever-changing deals for sale. The largest project was the famous W6PO 8877 amplifier. These are exactly the same as SK-300A but grid and screens are bypassed with twelve HT58 size doorknob caps, all silver plated. GratefulGoose searches thousands of stores such as amazon and ebay to find you the best prices for eimac in an instant. Everything does appear to be used, but in excellent condition. 1pcs New Eimac 3cx1500a7 8877 Rf Power Tube Electron Tube C1t9a. A 160- to 10-Meter Billed as a replacement for the glass 3-1000Z, the EIMAC 3CX1200A7 metal/- ceramic triode is the basis of the 160- to 10-meter amplifier described here and 2 x Eimac 3cx1500 or yu-209 2 X Complete tube sockets with grid clips installed 2 X 391-1500 LLT, Tube, Chimneys for 8877 My last constructed linear amp, Eimac 8877 (3CX-1500A7) was replaced with JRC FET linear amplifier long time ago. For HF communications service, the optimum filament voltage is 4. It was developed before the 8877. Eimac tubes are good however also expensive. Established in 2005, Puri Tronik has been a leading name in offering top notch Electronic Products & Components. 00 . (radio frequency) energy with proper tuning and a good power supply. 13. S. TUBES - For Sale 8877 tube 8877 tube in original box, NOS,checked all of the pins and found no shorts. 4% similar) Auction detailsonly what is pictured in auction listing will be included. NEW MKS Tube 3CPX1500A7 Medical grade Eimac GE Siemens RF AMP Ham radio philips The tube is rated for 600 out so the power is being met from the tube. Add to Wishlist . The 3CX1500A7/8877 power triode is designed for use as a cathode driven Class AB2 or Class B amplifier, in audio or RF applications including the VHF band or as a cathode driven plate modulator Class C RF amplifier. 3CX1500A7/8877 30 4CX600F 63 8162/3CX3000F7 33 8930 73 3CX2500A3/8161 31 4CX600J/8809 64 8163/3-400Z 54 8933 24 Under each mode of service, EIMAC tube types suitable for the application are tabulated in descending order of the most significant tube parameter in the left hand column. 00 . 99 Puritronik from Indonesia We provide wholesale and retail services If it was my money I would buy something with a Eimac 8877 or 3cx800 in it. Up today we have a beautiful brand new factory fresh Eimac 3CX1500A7 / 8877. Tube Eimac Yc-236, New, Selected Class Of Tubes 8877 And 3cx1500a7 - $1,350. It will take more abuse than an 8877, is rebuildable (get a 1200 rebuilt) and are available if you know where to look as pulls 144 MHz Eimac 8877/3CX1500A7 Tube Based Amplifier. We can be reached by phone at 352-592-7800 with any quaetions. 24. never reach the 8877 unless that tube has plate3CX1200A7-RFPR Transmitting Tube, RF Parts Rebuild (on customers good core, *** to be sent in advance) ***please arrange to send Your Good core in to our facility to have it rebuilt for you ** * we cannot sell you a rebuilt tube directly without an exchange in advance26/01/2017 · I recently found a very cheap Eimac 4CX1500 B in unknown condition, so we hooked up a few wires and power supplies to check it out. Our organization hold expertise in providing superior grade Eimac 3CX400A7 / 8874 Ham Radio to our precious customers. Shop with confidence on eBay!Find great deals for Eimac 3cx1500a7 / 8877 Grounded Grid Power Tube. Find great deals on eBay for 8877 tubes. EIMAC 8877 3CX1500A7 ELECTRON TUBE . One thing I do know; hardly a week goes by that I don't run across someone looking for an 8877 to replace the one that blew up in their "protected" amp. Exciter RF is fed to the input circuit and then to the filament/cathode via the large brown mica capacitor. Factory New Eimac 3CX1500A7 / 8877 Ham Radio / Broadcast Tube ON SALE This is not a surplus tube. 00. 3CPX1500A7 PROJECT on going this is for educational purposes only. Comes with 90 day over the counter warranty. When a socket other than the SK-410 is used, provisions must be made for equivalent cooling of …The table below concentrates mainly on the larger dissipation devices from Eimac. U nder the above circumstances, naturally I was interested in the late Mr. A 160- to 10-Meter Billed as a replacement for the glass 3-1000Z, the EIMAC 3CX1200A7 metal/- ceramic triode is the basis of the 160- to 10-meter amplifier described here andEimac recommend 3 minute pre-heating on 8877's and 3CX800's, YOU MUST use a 3 minute timer to prevent damage to these expensive tubes! * indicates that there is a balancing/bleeder resistor across each electrolytic capacitor the value being 47K at 12 watt. . 00 Tech Support 760-744-0500 Net Ea. The 8877/3CX1500A7 is an fac triode manufactured by CPI-Eimac. machine? Thank You,Review (mpn: 3cx1500a7-8877 for sale) 3CX1500A7-8877 Reliable Efficient Broadcast Triode Tube Test Report Warranty Unbranded-generic Iso Cert Fabric en una f brica estatal de propiedad industrial militar con la ms alta calidad certificada por iso. When a socket other than the SK-410 is used, provisions must be made for equivalent cooling of the base, the envelope, and the plate lead. Buy 3cx400a7 Eimac prices, Brand: Eimac, Review mpn: 3cx400a7 for sale 3CX400A7 Tube 8874 Eimac . We know the stuff is out there. 872A. 22/02/2013 · The recent thread regarding faulty pricing at RF Parts Company for 8877 tubes peaked my interest in getting a spare set for my Alpha 77SX. Drake 8877 Tube Socket The 8877 air system socket is positioned in the front panel area once occupied by one of the two 3-500’s. 25. Find our extensive selection of 328a Audio Preamplifier Eimac available for buying right now. ITEM DESCRIPTION Tetrode Electron Tube, P/N 8168 / 4CX1000A (Goes into Collins 30s-1 linear amplifier). I have built a couple of amplifiers mainly for the VHF-UHF. High performance 144-Mhz Power amplifier. $500. Phil, Here's what I know about this: Firstly, I don't operate the 8877. 144 MHz Eimac 8877/3CX1500A7 Tube Based Amplifier. EIMAC original tube socket and chimney assembly type SK-2210 and SK-2216 - strapped for grounded grid applications with about half inch silver flat stock to reduce inductance at high THIS OFFERING 21/01/2007 · I have several Eimac 8877's I bought as tested new-equipment pulls around 5 years ago. Teflon collar (VCX-X104) directs air up into tube fins, rubber chimney above tube directs exhaust air into plenum at rear of amp. Abstract: 8877 tube 3cx1500 Eimac 3cx1500a7 3cx1500*a7 8877 3cx1500a amplifier RF CLASS B filament Eimac 3cx1500a7 SK-2210 Text: The 3CX1500A7/8877 power triode is designed for use as a cathode driven Class AB2 or Class B amplifier, in audio or RF applications including the VHF band or as a cathode driven plate modulator Class C RF amplifier. R. It used the mighty EIMAC 8877/3CX1500A7 tube. Brand | Eimac/CPI. Shop with confidence on eBay!It uses the EIMAC 8877 Operating at 1500-W output, tube dis- . K2RIW/W2GN's stripline kw for 2m is an other amp I made that has been working well and still is. For information on this and other CPI products, visit our website at: Items 1 - 10 of 17 3CX1200A7-RFPR Transmitting Tube, RF Parts Rebuild (on customers good core, *** to be sent in advance) ***please arrange to send Your POWER TRIODE. I duplicated this amp. More by far with 8877's than any other tube. I know nothing about this type of tube or how i can check it. 01. Also includes original manual, copy manual, new air filter, a couple extra timer tubes and misc. 75. 1 x Eimac 8877 Tube, AL-1500X. tics of the 8873 tube. Devices are listed from 100W to 50kW. Peavey IPR 2 7500 Power amplifier 2022w RMS $ 1,099. 4 pieces nos nib eimac tube sockets type sk640 sk 660 sk 870 sk 400 vintage mint. 18 revised Sept. Brand New in box, With a 1997 date code. $799. Previously Triton was known as the ITT Electron Tube business since 1964 and in 2008 Triton closed its doors. 8877 Tube Socket and Chimney for Ham Radio DIY Amplifier Project This socket and chimney set came from a gentleman who built his own equipment. I. The 3CX15,000 A7 is a high-mu power triode intended for use as a zero bias Class B RF amplifier or Class C power amplifier or oscillator. Henry used Greenstone exclusively in the last 7 seven years of their amplifier production 3CX1500A7/8877 30 4CX600F 63 8162/3CX3000F7 33 8930 73 EIMAC tube types suitable for the application are tabulated in descending order of the most EIMAC 3CX1500A7 / 8877 TUBE PLUS SK-2210 / SK-2216 tubes socket and chimney ( \= strapped for grounded-grid service plus silver plated anode contact ring /NOTE - 8877 tube shown is INCLUDED in Used, Eimac (CPI) 8877 / 3CX1500A7 Amplifier Tube Tucson Eimac (CPI) the top screw is for the electrical connection. machine? Thank You,14/06/2007 · I just received another shipment of VERY nice 8877/3CX1500A7/YU209 Eimac pulls + one NEW one. Blackstar Series One 50h - 50 Watt, 2 Channel, Tube Head. Shop Thousand Items. These are physically the same size as 124-115's but, have grounded cathode terminals, which may be lifted if desired by unsoldering the tabs. Find great deals on eBay for 8877 tube. ARTIKEL RF POWER AMPLIFIER. 1pcs New 3cx1500a7/8877 Tube Broadcast Power Triode #c0y4 - $650. One Unused Eimac - $1,400. please go to our "policies and statements" section for warranty and shipping Anode Cap Fits 3cx1500a7,8877,3cx3000a7,3cx6000a7,4cx1500 High Quality Eimac 3cx1500d3 - $89. surplus and new electronic and electrical parts. It gives you the Herculean 3CX1500/8877 tube for full legal output with minimum exciter wear. With only a fuse and a glitch resistor it looks like it will be hard to prevent the grid taking less than 4 Joules of energy. Eimac 3CX1500A7 8877 YU-158 Ham Amplifier Tube Radio : $458. -standard 120V/240V. It is also recommended for use as a grounded grid FM amplifier. Find great deals on eBay for 8877 tube. 00 Listing #1402743 by KI6MTV re-tube the amplifier, at current prices, there is a net saving of $150 to $200. There are a good many feature circuits that are now standard in many amps built Triode data sheets. Lot X2 Beam Tetrode Electron Tube Eimac Jan-8438 4-400a Rs1002a Qb41100ga. eimac electron fpg127 tube nos 8877 3cx1500a7. The power gain is about 20 db+. Browse 328a Audio Preamplifier Eimac today online. 8877 Amplifier for Sale - Unique Gift Ideas - mySimon is the premier price comparison shopping online site letting you compare prices and find the best deals on all the hottest new products! Tube amplifiers are a popular project among hams. You will find thousands of tubes or valves with interesting links. 194 Top view of the 8877 amplifier. Eimac 2-450a large i am confident of the tube condition that i will giv. After optimization, the values of the trimmer capacitors should be measured and the appropriate values of fixed mica capacitors soldered into the amplifier. EIMAC 3CX400A7 / 8874 Tube - $520. This item has been shown 4 times. The Dentron DTR-2000 amplifier operates its 8877 filament at about 5. got these transmitting tubes from a closed radio station engineer. Its a bit of a disconnect but for accuracy a tube with an Eimac logo would be more fitting to the name of the thread. Eimac 8877 Rf Power Transmitting Tube Tested Very Good W Data Sheet. Quick view . N4UQ offers upgrades and repairs to many Amateur Radio amplifiers manufactured by Alpha Power. These have been tested, are full output and guaranteed. 118 items found from eBay international sellers. I tested them again myself at the time, then packed them away. Knowlton Power Punch Press Sheet Metal Hole Stamping . 4cx250bm Eimac Nos 7203a Transmitter Tube Ham Radio And Professional Broadcast. Try Radio Communication Parts & Accessories. 5” Ht. Linear Amplifiers for Amateur Radio,Power Amplifier for 144 MHz,KW amateur amplifiers,gs23b,gu74b,gu78b,4cx2500,4cx800,The new Eimac 8877,Highpower 3cx1000 is the BEST driver tube EVER. The Amplifier is a SR Systems SOLD OUT This is a Eimac 3CX10000A7 / REBUILT/ TESTED AT full output. The blog collects some tube models and give them a brief, also you can do a simple replacement, but for details, you need search them and get detailed parameters and curve. 5 200 250 3. WELLRACOM Singapore Pte Ltd; 71 Ubi Road 1 Oxley BizHub Singapore 408732 BRN: 2013183131M Tube Eimac Yc-236, New, Selected Class Of Tubes 8877 And 3cx1500a7 Danfoss 175h8877 Vlt3511, - $998. It uses the EIMAC 8877 (3CX1500A7) high-mu triode in grounded- grid service. Description | The 8877/3CX1500A7 is a(n) fac triode manufactured by CPI-Eimac. 95. Keep in mind that the before 1982, the FCC regulated hams according to input power, so when hams talk about a 1kW amplifier 3x Eimac 8877 Power Triode Amplifier Tube For Ham Radio Operations. Eimac 8877 / 3cx1500a7 Pwr. S. The tube industry has been an exciting market to be a part of over the past 50 years and we are committed to 3CX1500A7/8877 FAC 5 10. T-310A JAPAN: VHF/UHF Japanese transmitting triode. 1 SK2200 Eimac 8877 / 3cx1500a7 Pwr. im using the mks 3cpx1500 medical pull I sniped from ebay for $180 shipped high mileage tube from 2011. Likely derived from German LS180 and intended for Tachi 24 radar. 4cx250b 6c33c 6c33c otl 6kg6a 6kg6a vacuum tube 6p14p el84 6bq5 12ax7 tubes clock lot display tubes display tubes cardboard display tubes fireworks display tubes plastic eimac tubes el84 tubes electron tubes forestry electron tubes for sale electron tubes ftb ge electric ge electric range ge electronic ballast in-12 nixie in-12 nixie clock kit 144-MHz 1500W 8877 Power Amp. I have yet to run across anyone Eimac 8877 3cx1500a7 Power Triode Amplifier Tube With Socket & Chimney - $999. The 3CX1500A7/8877 power triode is designed exceptionally low for a tube of this power capac- or contact: CPI MPP Division, Eimac Operations, 607 Hansen Way The EIMAC 8877/3CX1500A7 is a rugged ceramic/metal power triode designed for use as a cathode driven Class AB2 or Class B amplifier, in audio or rf applications including the UHF band, or as a cathode driven 3CX1200A7-RFPR Transmitting Tube, RF Parts Rebuild (on customers good core, *** to be sent in advance) ***please arrange to send Your Good core in to our facility to have it rebuilt for you ** * we cannot sell you a rebuilt tube directly without an exchange in advance The photo of the tube used in this thread is of a Chinese 8877 sold by Penta who now own the logo. 73 John --- On Fri, 7/30/10, John Harper < [hidden email] > wrote: BE FM-1B, 1 kW FM Transmitter The BE FM-1B uses the same Eimac 3CX1500A7/8877 triode used in the FM-1. i ran a heater for six hours and tested anode to cathode with 4 kv - cold. A Legal-Limit Amplifier for 160 through 10 Meters It uses the EIMAC 8877 expensive 8877 tube from excessive fila- Eimac’s marketing staff often found other products to add to the tube factory and in several cases Eimac spawned technologies that ultimately led to other companies capitalizing on the work. 4CW100. Amplifiers . The failures and problems are actually why MRI equipment in the 80's and early 90's quickly moved away from 8877's. This is IWISTAO's Blogger,and for WISTAO HIFI BLUETOOTH AUDIO. Operating at 1500-W output Find great deals on eBay for 8877 tube. 3cx1500a7/8877 c p i | 4c. Most of these "Rusky" tubes (8877/3CX1500A7, 8802/3-500Z, etc) are always available and reliable, as performing as their U. I was looking at bagging the ALC altogether (I guess I must like to live dangerously!), and use something like an Alpha 9500 (expensive amp, but darn nice) that uses an Eimac 8877 tube, and therefore the nature of its design does not even require an ALC protection circuit. hardware including original stiff nylon feet (replaced with new roller casters). 9/09/2012 · Lately I've noticed that the cost of 8877's has really been climbing, especially the Eimac variety at over $1200-1800 each! Recently a friend turned …The photo of the tube used in this thread is of a Chinese 8877 sold by Penta who now own the logo. We inspect just prior to Eimac JAN-CIM-4-4400A Transmitter tube. The Eimac 721 1 is a ceramic-and-metal planar triode designed for transmitting power vacuum tube and electron tube stock list with prices 124-116, UHF sockets NOS pair, with integral screen capacitor, similar to Eimac SK-630A, for 4X150, 4CX250, 4CX350, 8930 series tubes. The 8874/3CX400A7 is a Triode Tube can be used in broadcast and is desired for their simple, yet highly stable design. So if you have the choice and some money left, you can purchase an expensive 8877 tube and alike made by Eimac, which production is ensured for some decades. Most of our product line is designed to “ sleeve ” inside adjacent sizes, allowing almost any custom length and wall thickness, while at the same time retaining the ability to be shipped via USPS or FedEx! A lightly used Eimac 3CX1500A7/8877 spare tube included. Should mean nothing but wanted to mention it. Late 90's / Early 2000 production. The Amplifier is a SR The 8877 has a filament voltage rating of 4. Vacuum Tubes Sort by Featured Best Selling Alphabetically, A-Z Alphabetically, Z-A Price, low to high Price, high to low Date, new to old Date, old to new Filters Using the Herculean 3CX1500A7/8877 ceramic tube with its high power gain, the AL-1500 needs only 65 watts of drive from your exciter to deliver the goods -- transceivers and other exciters just loaf at 1500 Watts out. 23. Eimac Amateur Service Newsletter AN-42, February 1971, has an excellent design for an 8877 amp on 6M using a Pi-network in which the tube capacitance forms the input capacitor of the Pi-net, and a variable (shorted turn) coil is use as the main TUNE control and 100 pF Pi-net output LOAD capacitor. W. 813. electron Tube Data sheets - 3. These are readily available from Eimac and Svetlana. Ed KD3Y In Box Electron Extremely Gu-150 Rare ГУ-150 Vacuum Lamp Tube Triode Ussr New Triode Lamp ГУ-150 Tube In New Vacuum Gu-150 Ussr Rare Box Electron Extremely Gu-150 ГУ-150 vacuum tubes and electron tubes for high-end audio, guitar amps, radio, industrial and special purpose. Vacuum Tubes Sort by Featured Best Selling Alphabetically, A-Z Alphabetically, Z-A Price, low to high Price, high to low Date, new to old Date, old to new FiltersEstablished in 2005, Puri Tronik has been a leading name in offering top notch Electronic Products & Components. The EIMAC 8877/3CX1500A7 is a rugged ceramic /m designed for use as a cathode driven Class AB2 or Class B amplifier, in audio or rf applications including EIMAC 3CX1500A7/8877 product reviews by real people like you. 3% similar) The only visual defect is that the filament pin has been over heated by weak fingers in the tube socket. This is an excellent warranty in case of failure. About the tube conditioning , (being new), the filament voltage, with blower was applied without HV during 48h. Find great deals for Eimac 3cx1500a7 / 8877 Grounded Grid Power Tube. A Table Top Half Kilo Watt. Blogs of WISTAO TECHNOLOGY is about Bluetooth Technology, HIFI Audio and related accessories and the information like as Bluetooh Speaker, HIFI Bluetooth Earphone,HIFI Bluetooth Audio, HIFI Bluetooth Tube Acoustics,HIFI Tube Amplifier, and other populor electronics consumer products,. 8877 Tube Very Tested W Rf Good Sheet Power Transmitting Eimac Data Eimac Tested Tube 8877 Good Power W Rf Very Transmitting Sheet Data Eimac 8877 Rf Lot X2 Beam Tetrode Electron Tube Eimac Jan-8438 4-400a Rs1002a Qb41100ga Lot X2 - $670. $975. 99 Eimac 8877 3cx1500a7 Electron Tube Behringer Cx3400 - $129. $103. This is the backside of the amplifier where the cooling blower can be seen. Contact EIMAC sales. I was not expecting much 8877/3CX1500A7 MECHANICAL Maximum Overall Dimensions: Length Diameter Net Weight Operating Posifon . All Eimac tubes are made in the U. Eimac YC-179 HIGH-MU POWER TRIODE . 00 144 MHz Eimac 8877/3CX1500A7 Tube Based Amplifier This is a surplus power amplifier from a NOAA installation that was decommissioned. F. If we can't find eimac then chances are no one can. These are the HD industrial version of the 3CX1500A7. A carefully followed program of filament voltage management can substantially increase 144-MHz 1500W 8877 Power Amp. Only at Description: Eimac Power Triode Transmitting Amplifier Tube. FACTORY NEW EIMAC 3CX1500A7 / 8877 Ham Radio / Broadcast Tube ON SALE - $1,775. 5 1 2. AU $707. Premium version of 8877 / 3CX1500A7. Many hams like the challenging of hunting for parts to build a high quality amplifier out of inexpensive surplus parts. eimac electron tube. com/tubes/eimac/3CX1500A7amp. anode tube in the Eimac® format. A Two Kilo Watt Amplifier Using The Eimac 8877 Triode. Sometimes a link is provided to a short summary on Eimac's web site. World's leading marketplace. It is a Pi-L output tank circuit, and has a vacuum capacitor for plate tuning, and vacuum relay in the RF output. Here the Eimac 3cx1500A7 (8877) electron tube can be seen-installed in the plate-line assembly. 2010 . A TWO-Kl LOWATT AMPLIFIER USING THE EIMAC 8877 TRIODE. Out of Stock. The pulls were pulled from medical applications during sale. Eimac 3cx1500a7 8877 Nos Tube 4 Amplifier Linear Alpha C My Other Ham Radio Gear - $749. The Amplifier is a SR Systems SR-410A based around an 8877 (aka 3CX1500A7) Eimac tube, this system is setup for 144 MHz operation. In the 60’s as ceramic-metal seals were perfected for tubes, Eimac offered a broad line of ceramic feedthroughs. Power Tube Testing Service For Low Power Eimac Electron Tubes 8877 8874 4cx250b. The triode has lower power gain than tetrodes, but can achieve output power up to 1. From United States. About Highlighting a …FACTORY NEW EIMAC 3CX1500A7 / 8877 Ham Radio / Broadcast Tube ON SALE - $1,775. Eimac T~ 8877. 8877 Homebrew Amp Back. While the 8877 is a good tube with excellent IM characteristics and very high gain, it is probably the more problem plagued tube Eimac manufactures. The failures and problems are actually why MRI equipment in the 80's and early 90's quickly moved away from 8877's. Created Date: 12/26/1999 9:40:00 PM1pcs New Eimac 3cx1500a7 8877 Rf Power Tube Electron Tube C1t9a. - $799. Henry used Greenstone exclusively in the last 7 seven years of their amplifier productionEIMAC. It looks something like an 8877 but uses a thoriated tungsten filament like the 3-1000Z uses. The company’s first products were transmitting tubes with the high performance and stable design features that were required by the Ham radio community. Note, that quick-reference (1-page summaries) of the all Eimac power tubes publicly available can be found at the product overview on Eimac's web site. 2 Amperex 8438 4-400a Rf Power Transmitting Tube Tested Good W Data Sheet. FS: 8877/3CX1500A7/YU209 Eimac Pulls. 327A 8. 00 One Unused Eimac 8877 3cx1500a7 Power Triode Tube + Gift. machine? Thank You, Eimac 8930 Is Similar To: Tubes Jan 6cl8a Vacuum Pcs 2 Nib Audio Nos Radio Sylvania (31. The auction is for ONE 3CX400A7 / 8874 tube i have three of these for sale pulled from my ALPHA 76A delivering over 1500W on all bands. FS Pair of Eimac 3-400z Tubes I have a pair of Eimac 3-400z's for sale , I had them in a Henry 2K I sold and the gentleman that purchased it was going to convert it to 3-500z's so I sold him the amplifier without the tubes. Note, that quick-reference (1-page summaries) of the all Eimac power tubes publicly available can be found at the power grid devices page on Eimac's web site. We inspect just prior to Tube 3CX1500A7 or Röhre 3CX1500A7 ID31235, Transmitting Triode, air cooled, TRANSMITTER-Base in gneral and VHF shown. Cheese, the AKCs don't give a shit one way or the other. For info: here is the datasheet of the 3CX1500A7/8877 from Eimac®. The EIMAC 8877/3CX1500A7 is a rugged ceramic /m designed for use as a cathode driven Class AB2 or Class B amplifier, in audio or rf applications including While the 8877 is a good tube with excellent IM characteristics and very high gain, it is probably the more problem plagued tube Eimac manufactures. Product is in It uses the EIMAC 8877 Operating at 1500-W output, tube dis- . Eimac 264 8576 Nos Nib Pentode Rf Power Transitting Tube 3000w 30mhz . Up for sale is this Eimac YU209 transmitter / amplifier tube. Teflon collar (VCX-X104) directs air up into tube fins, rubber chimney above tube directs exhaust air into plenum at …The "500 hrs" russian tube may very well have a longer usable lifetime than a "2000 hrs" Eimac tube, or it may not. This is a rack-mount amplifier (rack not included), not a desktop unit. in the 70's and it is trouble-free and very easy to get operational and TECHNICAL DATA The E[MAC 3-500Z is a compact power triode intended to be used as a zero-bias Class-AB2 amplifier in audio or radio-frequency applications. The tube must be protected from severe vibration and shock. 75 Danfoss 175h8877 Vlt3511, Used, 175h8877, Fast Shipping tube tester craigslistTag archive page for this blog - 3CX1500A7 8877 reliable new broadcast triode tube test report warranty ISO Cert, Eimac 8877 RF Power electron Tube Data sheets - 8. radio frequency 898405r eimac triode vaccum pump brodcast tube getter 3cx10000a3, radio frequency 898405r eimac triode vaccum pump brodcast tube getter 3cx10000a3, plasma therm 3kw 1356mhz rf generator eimac 5cx1500a jenning ucs300 hfs 3000d, radio frequency 898404r eimac triode vaccum pump brodcast tube getter, eimac 4cx3000a 8169 surplus new Tube 3CX1500A7 or Röhre 3CX1500A7 ID31235, Transmitting Triode, air cooled, TRANSMITTER-Base in gneral and VHF shown. 3% similar) Type NOS Tube , Brand Sylvania , Model 6CL8A , Country/Region of Manufacture United States , Country of Manufacture United States , Tube Type 6CL8A , Review mpn:6cl8a for sale Vacuum Tubes Jan Nos 6cl8a 2 Pcs Nib Radio Audio Sylvania . Tube Eimac Yc-236, New, Selected Class Of Tubes 8877 And 3cx1500a7 3x Eimac 8877 - $400. How To Wire Subwoofers - Parallel vs Series - Single Voice Coil and Dual Voice Coil - Duration: 10:10. My personal choice is the EIMAC 3CX1500A7/8877, a rugged, powerful triode, it is expected to be in full production for at least the next 15 years, plus there are a large number of these units that are in the used/pulled market at low prices. \0/ea or \5 It gives you the Herculean 3CX1500/8877 tube for full legal output with minimum exciter wear. FIT 43 MODEL Like New $ 90. 1 Nos Eimac 8877 3cx1500a7 Ham Radio Power Triode Tube. At least you get acceptable IMD performance even from the Chinese copies of these tubes. Eimac 3CX1500A7 / 8877 Tube Used: $315. Tube 8877 or Röhre 8877 ID31234, Transmitting Triode, air cooled, TRANSMITTER-Base in gneral and Power/Output shown. 99 Read More Henry Radio 3cx-3000a7 Linear Amplifier Linear Amplifier C My Other Ham Radio - $4,799. , Maximum Operating Temperature: Ceramic/Metal Seals, Anode CoreAbstract: 3CX1500A7 Eimac 3cx1500a7 8877 tube 3cx1500*a7 3cx1500a filament Eimac 3cx1500a7 8877 eimac 8877 vhf linear amplifier Text: Eimac Power Grid Tube - Quick Reference Data Sheet Page 1 of 2 3CX1500A7/ 8877 The Eimac 3CX1500A7/ 8877 power triode is designed for use as a cathode driven Class AB2 or Class B amplifier, in audio or RF applications including the VHF band or as a …Eimac 100TH Tube Tube is untested and does not this is the listing of the third tube of a small lot of these eimac power triode tubes. Shop with confidence on eBay!POWER TRIODE. Find more of what you love on eBay stores! Readbag users suggest that RF Parts Company Catalog 2011-2012 is worth reading. 0 results found. Two of these amplifiers are of interest to the serious vhf operator. Quality Mobile Video 315,669 views The recent thread regarding faulty pricing at RF Parts Company for 8877 tubes peaked my interest in getting a spare set for my Alpha 77SX. As a linear amplifier, high power gain may be obtained without sacrifice of low intermodulation distortion and high amplifica-tion factor combine to make drive requirements TECHNICAL DATA The EIMAC 8877/3CX1500A7 is a rugged ceramic/metal power triode designed for use as a cathode driven Class AB2 or Class B amplifier, in8877/3CX1500A7. In 1997 the ceramic tube portion of Eimac’s Salt Lake City operation was moved to San Carlos while the glass tube products were discontinued and that production equipment was sold to Triton Services of Easton, PA. His Eimac 8877 VHF amplifier design still is referred to as "the W6PO amp. POSTED PHOTO IS NOW CORRECT - SALE FOR ONE PIECE ONLY OF EACH ITEM;' EIMAC 8877 TUBE IS NOT INCLUDED IN THIS tubes type 6000 thru 9007 vacuum tube and electron tube stock list with prices 3cx1500a7/8877 Reliable New Broadcast Triode Tube Test Report Warranty Iso Cert. 00Vacuum Tubes Sort by Featured Best Selling Alphabetically, A-Z Alphabetically, Z-A Price, low to high Price, high to low Date, new to old Date, old to new FiltersReview (mpn: 3cx1500a7-8877 for sale) 3CX1500A7-8877 Reliable Efficient Broadcast Triode Tube Test Report Warranty Unbranded-generic Iso Cert Fabric en una f brica estatal de propiedad industrial militar con la ms alta calidad certificada por iso. TUBE ACCESSORIES CURRENT AS OF 10-04-11 Transmitting Tube Chimneys SK406A TUBE ACCESSORIES SK406 SK406B Part # CHIMNEY SK306 Eimac 4CX5000A /YC156/3CPX5000A7 SK316 Eimac Chimney 4CX15000A. 000D Special Price 270. Product is in exceptionally low for a tube of this power capac- ity. 97 shipping. The 3CX1500A7/8877 power triode is designed for use as a cathode or contact: CPI MPP Division, Eimac Operations, 607 Hansen Way, Palo Alto, CA 94303. Eimac 4CX1000A 8168 -> 30S-1 - $1,728. EIMAC/1678 datasheet, cross reference, circuit and application notes in pdf format. TRIODES 25T/3-25A3 Data Sheet (1944)25-T, 25T, 3-25A3 25T Data Sheet (1951)25-T 35T Data Sheet (1935)35-T 35T Data Sheet (1936)35-T 35T Data Sheet (1945)35-TAbstract: 3CX1500A7 Eimac 3cx1500a7 8877 tube 3cx1500*a7 3cx1500a filament Eimac 3cx1500a7 8877 eimac 8877 vhf linear amplifier Text: Eimac Power Grid Tube - Quick Reference Data Sheet Page 1 of 2 3CX1500A7/ 8877 The Eimac 3CX1500A7/ 8877 power triode is designed for use as a cathode driven Class AB2 or Class B amplifier, in audio or RF applications including the VHF band or as a …194 Top view of the 8877 amplifier. The AL-1500 also features time delay starting to protect the tube and over-current shut off to remove the drive if mistuned. 144-MHz 1500W 8877 Power Amp. He was an avid collector of VTG Amateur Radio, Military and Avionic gems. Find best value and selection for your Factory New Eimac 3CX1500A7 8877 YC236 Ham Radio Tube search on eBay. never reach the 8877 unless that tube has plateTube 8877 or Röhre 8877 ID31234, Transmitting Triode, air cooled, TRANSMITTER-Base in gneral and Power/Output shown. Obviously ignore their $1 pricing for the Eimac 8877…radio frequency 898405r eimac triode vaccum pump brodcast tube getter 3cx10000a3, radio frequency 898405r eimac triode vaccum pump brodcast tube getter 3cx10000a3, triton f 6696a eimac tube, radio frequency 898404r eimac triode vaccum pump brodcast tube getter, eimac electron tube 4cx25000a, 1pcs new eimac 3cx1500a7 8877 rf power tube electron 26/09/2015 · I still have some EIMAC 3CPX1500A7 (8877) (YC257) tubes that are pulls but are in very good condition. 3CX1500A7-NOS, Transmitting Tube, 3CX1500A7/8877, MFR: Eimac (NOS). 4cx1000a deals, Buy 4cx1000a Eimac- usa-Made - prices, 4cx1000a for sale, Brand: EIMAC USA MADE, MPN: 4cx1000a, Country/Region of Manufacture: United States, UPC: Does not apply, Review mpn: 4cx1000a for sale 4CX1000A Usa 100 8168 4cx Tube Eimac 1000 Guaranteed Nice Shape Jan Works Good . Eimac Tube Recent Eimac Tube Purchases: Vacuum Tubes Electronic, Nixie, Tube 1pcs NEW eimac 3CX1500A7 8877 RF Power Tube electron Tube C1T9A, 8877 3CX1500A7 The "500 hrs" russian tube may very well have a longer usable lifetime than a "2000 hrs" Eimac tube, or it may not. SPONSORED (2) Eimac 6220/4CX250B The EIMAC 8877/3CX1500A7 is a rugged ceramic/metal power triode desi¶led for use as a cathode driven Class AB2 or Class B amplifier, in audio or rf applications including the UHF band, or as a cathode driven The table below concentrates mainly on the larger dissipation devices from Eimac. For example, in the eimac 8875 Is Similar To: 5cx1500a Eimac Vacuum Tube Power Pentode (44. Or before that when their 8877's were failing in droves and they sneakily redeisgned the tube for lower gain. New listing Pair of Eimac SK410 Bakelite Tube Sockets for 3-500Z 3-500, used, made in USA. Triode data sheets. Shop now. No info found. Eimac. $339. or Best Offer +C $13. Find best value and selection for your Factory New Eimac 3CX1500A7 8877 YC236 Ham Radio Tube search on eBay. Using the Herculean 3CX1500A/8877 ceramic tube with its high power gain the AL-1500 needs only 65 watts of drive from your transceiver to deliver the goods. Very bottom panel, with the big meters is a variable 4000 volt power been a good amp . The unit is untested as I do not have the proper EXTENDING TRANSMITTER TUBE LIFE 1 A carefully followed program of fi lament voltage management can substantially increase the life expectancy of transmitter power grid tubes. $291. etc. Eimac New 3cx1000a7 Power Tube Electron Ham Radio Broadcast Made In Usa In Box. You even can look up radio models with a certain tube line up. Eimac designs and produces power tubes for broadcast, communications, radar, industrial heating, semiconductor processing, science and medical applications, with customers located in virtually every country in the world. carries a complete line of fiberglass, including fiberglass round tube, square tube, and solid rod. There is a tunable input network for a good match on all bands. I just received another shipment of VERY nice 8877/3CX1500A7/YU209 Eimac. You gamble buying this. TECHNICAL DATA The E[MAC 3-500Z is a compact power triode intended to be used as a zero-bias Class-AB2 amplifier in audio or radio-frequency applications. In the future, as demand for the 8875 increases and availability decreases, the savings may Bottom Amplifier is a 3CPX-800 tube in a modified Eimac CV-2401 cavity, 600 wattsout on 432 MHz. High Power tubes. CPI-Eimac is a leading manufacturer of power grid tubes covering a wide range of applications including broadcast, industrial and scientific. Two of these eimac best quality tube made in the usa. Henry used Greenstone exclusively in the last 7 seven years of their amplifier productionThe 3CX1500A7/8877 power triode is designed for use as a cathode driven Class AB2 or Class B amplifier, in audio or RF applications including the VHF band or as a cathode driven plate modulator Class C RF amplifier. Repairs and upgrades are available for the Alpha77, 76, 78, 374 and 374A. Russian tubes like the GS-31b, GS-35b, GU-74b or GI-7b are much more value for the Eimac tube Sockets and Chimneys for 8877 / 3cx1500a7 / 3cpx1500a7 / 3cx800a712/03/2017 · What medical equipment specifically, required the 3CX1500A7/8877 tube(s) to operate, and was the device generating RF in its original application (3CX1500A7) ? Perhaps an early M. Eimac socket fits 4CX5000, 4CX10,000 & 4CX15,000 series tubes. More-5% New. What medical equipment specifically, required the 3CX1500A7/8877 tube(s) to operate, and was the device generating RF in its original application (3CX1500A7) ? Perhaps an early M. 50 + years in electronics business. Using the Herculean 3CX1500A/8877 ceramic tube with its high power gain, the AL-1500 needs only 65 watts of drive from your exciter to deliver the goods-- transceivers and other exciters just loaf at 1500 watts out. 25mW. Eimac 3CX1500A7 8877 NOS Tube 4 Amplifier Linear Alpha C MY OTHER HAM RADIO GEAR $ 749. These amplifiers let your equipment just loaf while you get over 1500 watts out to your antenna. 00 3x Eimac 8877 Power Triode Amplifier Tube For Ham Radio Operations RF requirements, Eimac has rugged, high performance products to meet your need This catalog is intended for use as a guide in selecting the right Eimac product for your application. 00 Eimac 3cx1500d3 Air Cooled Ceramicmetal Power Triode Electron Tube Icp-ms Part Eimac New . This is a pullout from a AL-1500 and was replaced with a new tube due to degraded output