Eimac 8874

-25 PLUG 668-0252-010 833-6050-340 COLLINS RES. DIRECION: Av. Sheet3 Sheet2 Sheet1 Chart3 Chart1 Chart2 SHA2010 1U564-003-3 P/N S/N T1392 634-0371-002 371-0385-080 COLLINS CONN. chassis construction. 100-th Eimac Tube (52% similar) Eimac 100-th triode in unopened box the 100th is an rf power with a thoriated tungsten filament and anode dissipation of 100% watts. They are used, but were professionally tested by Richardson Electronics, and tested 100%, 96% and 96% compared to a new tube. It is electrically the same tube and plugs in the socket. Joe Reisert, W1JR, "VHF/UHF World - Medium Power Amplifiers," ham radio, August 1985, page 39. Sequence archive. RICHARDSON ELECTRONICS Electron Tubes product list at Newark. These triode tubes are found mostly in grounded grid amplifiers. Unfortunately, my Henry Tempo 6n2 amplifier was so full of dust from the wild west that I fried my 8874 tubes and the amplifier sat idle for many years while I married and raised a family. Max-Gain Systems, Inc. 8874 Eimac T~ 8873. 3% similar) Up for auction is a johnson tube socket for the 4cx250 series transmitting power tubes. Buy Convert YOUR Minitor V charging cradle into a USB Programming cradle in Venice, Florida, United States. SSPA 48 Volt 44 Amp Power Supply This page should document the build of a 6M/50Mhz kilowatt SSPA Harris amp. Bidders with questions about this item may alternately contact us at elexs. Someone may know exactly, but my information is that close to probably 6000 were. The socket is NOT part of the sale. A, Large Wafer Elevenar 11 —p in not -1906 (needed if is f It SK-1900 vertical, anode Avai I able Grid Col let with ground Ing flange to (for VHF operation) Aval I able Grid Bypass Capacitor Ring (1 100 PF e 1000 DCWV). Svetlana is considerably cheaper from RF Parts. Journal of Photochernistry, 37(1987) 293 -313 293 THE PHOTOCYCLIZATION OF A HYDRAZONE TO AN INDAZOLE J. Model 374 Specs: 3 Air Cooled Eimac 8874 / 3CX400A7 Legal Limit 80m Manual Tuning Open-frame Relay T/R images shown in this manual may be slightly different from what you see on 372 Compositing. EIMAC 8873 8874 8875 と冷却方式の違いによる三兄弟 本シリーズの商品寿命は短く(1970年代だけの販売で終わったような・・・)、今では入手困難なものです. 1pcs New Original Eimac Tube 4cx250b 7203 C2u1. tube in the Eimac format. The power transformer was also upgraded to a new Peter Dahl 76A-2 Special Hypersil. We offer a huge variety at great prices online. These tubes are guaranteed to be new, and have never been put in an amp. Unfollow eimac 3cx400a7 to stop getting updates on your eBay Feed. Modern Amplifier-Tube Performance: The popular 8802/3-500Z triode has an average amplification factor of 130 (Eimac) to 200 (Amperex). 00 individual/$30. RF Parts wants $525 each for Svetlana's and "Call" for Eimac. 1 Note: The data supplied in the enclosed tables is for general reference only. This controller looks in very good condition but has not been tested. Eimac 8873, 8874 / 3CX400A7, 8875 and other tubes with large wafer elevenar bases. Sometimes two or more tubes share the same data sheet - e. Find More 3cx800. For Sale: One used Eimac 4X500A VHF/UHF power tube. FS Eimac 3CX400A7/8874 tubes. This is a "serice pull" with 50% of its life estimated to remain if not more. The plan is to build a cabinet out of a metal File cabinet on wheels that looks nice and clean to house a single PSU for all of the SSPA amps in the works. Two Eimac 8874 grounded grid triodes, lull kilowatt 01 output for SSB, built-insolid state power supply, anten­ na relay, internal blower, relative AF power indicator and lull amateur band coverage from 80-10 meters. 3-500C $ 195 each or $390/matched pair 8877 (3CX1500 A7) $845 3CX3000A7 $765. P/N 3CX800A7: For Sale PHILIPS MRI MRI Scanner Parts - Listing #1463609 EIMAC 3CX800A7 RF amplifier tubes medical grade validated by MKS to function in pulsed amplifier environment. Classified ad for FS Eimac 3CX400A7/8874 tubes. tube 8874 eimac vtx-x102 v1,v2 (+ v3 for 76pa, 76ca) tube chimney 8874 (3cx400a7) app-x059 tube skirt 8874 (3cx400a7) app-x058 tube socket 8874 (3cx400a7) vsx-x102 tube plate cap jxx-x101 vernier (ball drive) for tune and load caps mdx-x127. Eimac 4w300b / 8249 Tube (water. Eimac 3CX1500A7 8877 Amp Amplifier Tube NEW IN SEALED BOX C My Other Ham Radio Power Tube Testing Service for Low Power Eimac Electron Tubes 8877 8874 4CX250B. eimac 3cx80a7, sk1900 sk1910 sk1916 Is Similar To: Power 3cx1200d7 Grid Grounded Eimac Nos Tube Tested (34. 3% similar) 5 v to a or so inserted in the primary of the filament transformer can be used to reduce the filament voltage from The variac approach is perhaps more satisfactory to the design purist both methods will work, in the day of high factory prices for transmitting tubes this is a. 各真空管メーカーが製造当時発行したオリジナル規格表を、そのままデータ化!高性能な検索システムにより、全ての真空管データをpdfファイルでダウンロードできます。. 95 8561 /4CX300Y # Call 8643 Amperex Call 8755 Eimac Planar Triode 497. Ameritron 3-500Z Replacement Power Tubes are available for all-purpose Amateur Radio service. 1 result for eimac 3cx400a7 Save eimac 3cx400a7 to get e-mail alerts and updates on your eBay Feed. Eimac 8875 Power Grid Tube for the Dentron MLA-2500 Amplifier EIMAC 8875 The 8875 is a compact high-mu power triode intended for use in zero bias Class B amplifiers in audio or RF applications. 3 V, 3 Amps RMS per tube, is fed from the 6. The triode has lower power gain than tetrodes, but can achieve output power up to 1. and its affiliates are not liable for its accuracy. alpha 76_p_c page 1 alpha 76-p-c part description part # schematic symbol ball drive (vernier for tune and load caps) mdx-x127 blower motor 115v (howard #3-90-8507) blx-x105 b1, use bomax # 301-6563. Compositing overview. Review (mpn: 81710cx640-036 for sale) 81710CX640-036 Controler Mororola 8874 Transmitter Cavity Advanced Eimac Motorola Uhf Paging. ----- ract/bact/laer clearinghouse: a compilation of control technology determinations first supplement to 1990 edition prepared by: emission standards division u. Get Eimac 3cx now! Shop Eimac 3cx at eBay. Alpha (ETO) RF 6 Meter Linear Amplifier 40-70 MHz, with Single Eimac 8874 Tube, and Built in power Supply with Hypersil Transformer. DIRECION: Av. 各真空管メーカーが製造当時発行したオリジナル規格表を、そのままデータ化!高性能な検索システムにより、全ての真空管データをpdfファイルでダウンロードできます。. For sale a pair of NOS Eimac 3cx400A7 (8874's) Power Triodes, $795 for the pair includes. Find Eimac 8875 Tube related suppliers, manufacturers, products and specifications on GlobalSpec - a trusted source of Eimac 8875 Tube information. Visita eBay per trovare una vasta selezione di eimac 3cx. Scopri le migliori offerte, subito a casa, in tutta sicurezza. Triode data sheets. EIMAC Matched Pair 2 x 8874 (3CX400A7) Amateurfunk. That leaves the 8874 and 3CX800A7 as the easiest conversion. Jennings General Radio Comet Dolinko & Wilkens Tektronix Collins Western Electric Kilovac Transco Dynatech Gigavac Hewlett Packard WL Gore Teledyne Sangamo Amperex General Electric Eimac Unbranded RLC Electronics Midwest Microwave Weinschel Engineering Pittman Allen-Bradley Rockwell Collins, Inc Amphenol Dubilier Condenser Corp Custom High. 95 Pair Ef Johnson Ceramic Tube Sockets 247 Septar B7a 829b 3c33 5894 8877 B. After the design was verified, the amplifier described in this article was built. 70 years of spanish URE! from DG1SGW Mon, 22 Apr 2019 15:02:02 GMT Hey friends! Got a lot of time in the shack last two weeks and have worked a few of the spanish special calls. It will work on SSB, CW, and FM and should put out about 350 watts SSB or 300 watts continuous. Puri Tronik is listed in Trade India's list of verified sellers offering supreme quality of Eimac 3cx15000a7 New HF Power Amplifier NOS ,Eimac 3CX400A7 / 8874 Ham Radio ,Eimac 3CX1500A7 / 8877 Ham Radio etc. Sometimes two or more tubes share the same data sheet - e. Completely self-contained in one small desk mount cabinet with internal solid state power supply, built in blower and RF relative power indicator. it is an opened package and box and being sold as is, for obvious reasons. The DX Shop - Antennas, Amplifiers and Accessories for the dedicated Radio Amateur. < G8APZ > G6SUQ_Graham I had to get a couple of Eimab triodes last year. The plan is to build a cabinet out of a metal File cabinet on wheels that looks nice and clean to house a single PSU for all of the SSPA amps in the works. I have had problems with Eimac tubes also when the Salt Lake City plant was producing tubes. Additional information is found in EIMAC's Application Bulletin #17 titled "FAULT PROTECTION , TECHNICAL DATA 8873 8874 8875 HIGH-MU TRIODES , } 4 XT" 8875 The EIMAC 8873, 8874, and 8875 are , change without notice as the result of additional data or product refinement. Discussion in 'Amateur Gear eBay Auctions Ending Soon' started by Ebay, Aug 9, 2012. Radio tubes are valves. Jennings General Radio Comet Dolinko & Wilkens Tektronix Collins Western Electric Kilovac Transco Dynatech Gigavac Hewlett Packard WL Gore Teledyne Sangamo Amperex General Electric Eimac Unbranded RLC Electronics Midwest Microwave Weinschel Engineering Pittman Allen-Bradley Rockwell Collins, Inc Amphenol Dubilier Condenser Corp Custom High. I wanted to assure that these tubes were fully operational before I listed them for sale. The plan is to build a cabinet out of a metal File cabinet on wheels that looks nice and clean to house a single PSU for all of the SSPA amps in the works. Shop our large selection of Eimac 3cx for sale. The biggest and best ham radio classifieds on the web! Buy, sell, trade HF and VHF equipment, towers, antennas, rotators and more!. 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. Before the advent of semiconductor devices, thousands of tube types were used in consumer electronics. This is a list of vacuum tubes or thermionic valves, and low-pressure gas-filled tubes, or discharge tubes. Eimac have one page summaries for most of their tubes on line, but you will not find full data sheets like on this site. This controller looks in very good condition but has not been tested. Suggest retrofit with different tube, such as SED (C logo) 4CX400A or 4CX800A. The Cold War was gone and Russian triodes and indeed submarines, tanks and fighter aircraft all were now available on ebay at bargain prices. The filament voltage, 6. environmental protection agency office of air quality planning and standards research triangle park, north carolina, 27711 y fl,5, iteemoa ,1, ubr,- , il. 47 VAC RMS loaded - which is perfectly in the center of the Eimac spec!. Type: Amateur HF linear power amplifier: Frequency range: 10-160 m (Europe) 15-160 m (USA) Voltage: Power device: 3 x Eimac 8874: Related documents:. Data, Sheets, Sheet, Eimac, 3CPX5000A7, 4CX1000A, 8874, YC156, 4CX350A, 4CX250B Keywords Pie And Searchings Essential word weight demonstrates the significance of catchphrase that expressed in page. tube complement is three 8874's. Model 374 Specs: 3 Air Cooled Eimac 8874 / 3CX400A7 Legal Limit 80m Manual Tuning Open-frame Relay T/R images shown in this manual may be slightly different from what you see on 372 Compositing. Review (mpn: 4cx-1000-a for sale) 4CX-1000-A 4cx1000a Eimac Power Tube Test Good 1960s USA 4cx-1000 4cx1000 Factory Box Any buyer who makes false clams or statements will be blocked, and reported to the tube sellers association. Bob Sutherland, W6PO, "Care and Feeding of Power Grid Tubes," Varian Eimac, 1982. 8873-conduction-cooled tetrode, popular in amateur radio linear amps (Heathkit SB240)-made by Eimac. 회사명 :겟즈상사(주) 설립 년월일 : 1970년 1월 19일 주소 : 서울시 중구 충무로 2가 50-10 Tel : 265-7192/5 Fax : 277-0844. net is a Web site dedicated to ham radio (amateur radio). ham radio swap parts, amateur radio pieces. 日本が圧勝しましたが、私としてはなんかぱっとしません。てかそういう方多いのではないでしょうか?トーゴがベストメンバー&ベストコンディションではなというのに加えなんとなくでやっている気がしてしょうがない。. Varex’s OEM products are used in X-ray imaging equipment for medical diagnostics, dentistry, veterinary care, and industrial inspection. This is a list of vacuum tubes or thermionic valves, and low-pressure gas-filled tubes, or discharge tubes. Protein knowledgebase. a full featured HF base srctco transceiver with a c0m­ binatiOn of standard tectoes foond on no other Iransceivef in its price range. 7% similar) Unless specifically stated otherwise in the item description, all items are sold as-is, with no guarantee of any kind. Eimac Sk-610 Air-system Tube Socket For 4cx250b, 4cx250r, + Read Details. 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. 16 EIMAC P/N 720359 EIMAC SK-655 EIMAC ACC-I Printed in U. Eto/Alpha 78: PDF User Manual for Eto/Alpha 78 : PDF Service Manual for Eto/Alpha 78 : Schematics for Eto/Alpha 78 : Eto/Alpha 78 technical specifications : Eto/Alpha 78 technical specifications. chassis construction. unitec mro catalog 28 28 manufacturer / brand 2279 ebm 2280 ebmpapst 2281 ebner 2282 ebru 2283 ebv 2284 eca 2285 ecco finishing 2286 ech will 2287 ecia 2288 eckardt 2289 eckart 2290 eckelmann 2291 eckerle 2292 eckmann 2293 eckold 2294 eclipse 2295 eco antriebstechnik 2296 ecofit 2297 ecolab 2298 ecomacchine 2299 eco-mix 2300 econex 2301. They have been tested and are in good condition. We are a leading provider of 3cx800, find a wide and ever-changing deals for sale. Venezuela, Piso 2 Ofic. The Tempo 6N2 meets the demand for a high power six meter and two meter power amplifier. These triode tubes are found mostly in grounded grid amplifiers. The plan is to build a cabinet out of a metal File cabinet on wheels that looks nice and clean to house a single PSU for all of the SSPA amps in the works. 4CX125C Transmitting Tube, Tetrode, Ceramic, MFR: Eimac. Postal Money Order for $210 includes domestic UPS. THIS LISTING IS FOR A SERVICE I will convert your Motorola Minitor V Cradle to a programming cradle with USB cable and driver link included. Visita eBay per trovare una vasta selezione di eimac 3-500z Valvole. Tube chimneys and BandPass. These tubes is designed in USSR without any market and a competition. Power tetrode 0. Ham Radio Gear For Sale Non-commercial, private sellers only. 2 Air Cooled Eimac 8874 / 3CX400A7 Legal Limit 80m – 10m (except 12m) Manual Tuning Open-frame Relay T/R 240 / 120 vac Dimensions: 7. COMMUNICATIONS & POWER INDUSTRIES, LLC, DBA CPI, DIV MICROWAVE POWER PRODUCTS, DIVISION - EIMAC OPERATIONS is an Active Commercial Supplier with the Cage Code 06980 and is tracked by Dun & Bradstreet under DUNS Number 009438300. Title: 8873 8874 8875 Author: Eimac Subject: FP-2003-02-18 Created Date: 2/18/2003 9:25:51 PM. it is too easy to destroy. 1974 - 1978. 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. I JUST CALLED. Alpha 76PA by MyCoveralls. Eimac 8873, 8874 / 3CX400A7, 8875 and other tubes with large wafer elevenar bases. Tube Service Testing Power 8877 8874 for Tubes Eimac 4CX250B Power Low Electron Electron 4CX250B Low Power Tube for Tubes 8874 Service Eimac Power Testing 8877 $25. Eimac Power Grid Tubes Quick Reference Catalog 284, Varian Eimac. 2 Customer Reviews. This tube unilaterally replaces the 715C and the 5D21 and supersedes the 8252/ 4PR60B. You searched for: eimac tubes! Etsy is the home to thousands of handmade, vintage, and one-of-a-kind products and gifts related to your search. あと2日><もう8月ですね・・・はやい!!!昨日は久しぶりな方たちにたくさんお会いしました☆★私も頑張ろう♪あっ、この夏の私の夢がどうやら叶いそうです^-^報告はワンマン後。. 3% similar) 5 v to a or so inserted in the primary of the filament transformer can be used to reduce the filament voltage from The variac approach is perhaps more satisfactory to the design purist both methods will work, in the day of high factory prices for transmitting tubes this is a. Another issue is the highly toxic BeO heat transfer block - I am glad to get rid of it. The table below concentrates mainly on the larger dissipation devices from Eimac. 2019/08/10 [Boatanchors] FS Eimac 3cx400a7/8874 tubes Charlie Hugg 2019/08/09 [Boatanchors] 2-3 wire AC and Bypass capacitors Robert Vincent 2019/08/08 Re: [Boatanchors] Article on changing from 2 to 3 wire power cords The Pollacks. Sold at 417. See section 3. Eimac socket fits 4CX5000, 4CX10,000 & 4CX15,000 series tubes. Eimac 8873/8874/8875はクーリング方式により、放熱フィン部分の形状が異なります。Eimac 8873は写真左側の平たい部分に専用の酸化ベリリウム(絶縁物)を挟んで、ヒートシンクに熱を逃がして使用します。これにより自然空冷で使用でき. 1 post • Page:1 of 1. Completely self-contained in one small desk mount cabinet with internal solid state power supply, built in blower and RF relative power indicator. 4CX125C Transmitting Tube, Tetrode, Ceramic, MFR: Eimac. These are exactly the same as SK-300A but grid and screens are bypassed with twelve HT58 size doorknob caps, all silver plated. Power tetrode 0. Top cover off to show the two 3cPX800A7 tubes neatly situated in the amp. Ham Radio Gear For Sale Non-commercial, private sellers only. The boxes are date coded 8343. Alpha 78CPX BandPass HF Linear Ampllifier. The company's first products were transmitting tubes with the high performance and stable design features that were required by the Ham radio community. Die Röhren wurden 340 € VB 63633. They have never been abused (I always monitor grid current and have never driven them beyond 1500 Watts). Some tubes were gassy right out of the box and literally “popped” upon application of plate voltage. Meilleurs prix. The 8873 is equally scarce and expensive thanks to Heathkit and Henry Radio amps gobbling up the miniscule supply. O nce you've allowed the amp to warm up for at least a few minutes, turn the standby switch to the OFF position and get ready to play! If you find yourself working on music all day long with your tube amp, DON'T continually turn its power on and off throughout the day. 3 SELECTION OF TUBES FOR SINGLE SIDEBAND SERVICE. The tc-745r~,entsa major breakthrough In ~ham Indultry_. second describing the sub-band in which it operates. WHAT IS A POWER GRID TUBE?. 120/240 V, presently set up for 240V. As data was collected from a number of sources, Richa rdson Electronics, Ltd. The 8874 is a good example: It can be run at maximum input power up to -500 MHz and its amplification factor is 240! Note the presence of the word oscillator in that 3-500Z specification. Ham Radio Gear For Sale Non-commercial, private sellers only. Tube 8875 or Röhre 8875 ID25522, Transmitting Triode, air cooled, and shown. This tube unilaterally replaces the 715C and the 5D21 and supersedes the 8252/ 4PR60B. 8874 tubes Let me talk about the tubes for a bit. 70 years of spanish URE! from DG1SGW Mon, 22 Apr 2019 15:02:02 GMT Hey friends! Got a lot of time in the shack last two weeks and have worked a few of the spanish special calls. 00 each plus shipping from los angeles ca. 3 Air Cooled Eimac 8874 / 3CX400A7 Legal Limit 80m - 10m (except 12m) "Bandpass" and Manual Tuning Selections Open-frame Relay T/R 240 / 120 vac Dimensions: 7. Care and Feeding of. 3cx400a7/8874 3cx400u7/8961 3cx4500f3/yu-108 3cx5000a3 3cx5000a7 3cx5000h3 3cx5000u7 3cx600/y-872 3cx6000a7/yu-148 3cx600u7 3cx800a7 3cx800u7 4cm2500kg/x-2274 4cm300,000ga 4cm400,000a 4cm500,000g 4cpl1000a 4cpl1000b 4cpl1000c 4cpw10,000r/9016 4cpw1000ka/9009 4cpw1000kb/x-2062m: 4cpw100ka/y-841 4cpw300,000a/9008 4cpx250k/8590 4cs250r 4cv100,000c. Scopri le migliori offerte, subito a casa, in tutta sicurezza. Max-Gain Systems, Inc. If you have questions or would like to see more photos, please send me an email. The EIMAC 8252W/4PR60C is a high-vacuum tetrode intended for pulse modulator service in circuits employing inductive or resistive loads. Let's talk about getting "facts straight". 100-th Eimac Tube (52% similar) Eimac 100-th triode in unopened box the 100th is an rf power with a thoriated tungsten filament and anode dissipation of 100% watts. 1974 - 1978. 3 x Eimac 8874: More Eto/Alpha Power Amplifiers Eto/Alpha 77DX (77 DX 77-DX) service manual and specs Eto/Alpha 78 service manual and specs: CB Equipment: President. This controller looks in very good condition but has not been tested. Buy Convert YOUR Minitor V charging cradle into a USB Programming cradle in Venice, Florida, United States. 24, Bello Campo, CARACAS - EDO. Power Tube Testing Service For Low Power Eimac Electron Tubes 8877 8874 4cx250b Pair Ef Johnson - $39. Brand new, old stock is in the box. WHAT IS A POWER GRID TUBE?. 3 SELECTION OF TUBES FOR SINGLE SIDEBAND SERVICE. No matter what you’re looking for or where you are in the world, our global marketplace of sellers can help you find unique and affordable options. Here is a collection of Eimac 8874 tubes that need to find a new home. The DX Shop - Antennas, Amplifiers and Accessories for the dedicated Radio Amateur. These tubes is designed in USSR without any market and a competition. The plan is to build a cabinet out of a metal File cabinet on wheels that looks nice and clean to house a single PSU for all of the SSPA amps in the works. pdf (1536207 bytes) 8874 (= 3CX400A7). These are readily available from Eimac and Svetlana. Varian , EIMAC Division , different from those given here, write to Power Grid Tube Division, Varian , EIMAC Division, 301 Industrial , the address shown below: Power Grid Tube Division, EIMAC Division of Varian , 301 Industrial Way, San , TECHNICAL DATA 8873 8874 8875 HIGH-MU TRIODES , } 4 XT" 8875 The EIMAC 8873, 8874, and 8875 are. Meilleurs prix. The triode has lower power gain than tetrodes, but can achieve output power up to 1. It makes a lot of fun to collect the points for silver, gold and platin diploma on the several bands. Type: Amateur HF linear power amplifier: Frequency range: 10-160 m (Europe) 15-160 m (USA) Voltage: Power device: 3 x Eimac 8874: Related documents:. Jon WA1HZK: I see them on E-Bay all the time. The socket is NOT part of the sale. We have had good performance from Greenstone tubes. PACANSKY, H. They have never been abused (I always monitor grid current and have never driven them beyond 1500 Watts). These tubes possess the same rugged internal features of the 4CX300A and are quite free of mechanical noise under severe shock and vibration conditions. Shop with confidence. Ratingが40MHzになっていますが、RCAの送信管規格表などでは、更に高い周波数で使用する場合において、プレート電圧とプレート入力を下げて使うパーセンテージが書かれていますね。例えば807だと、60MHzまでは100%. Included is the original owners manual and the Eimac rag sheet on the 8874 tubes. Eimac socket fits 4CX5000, 4CX10,000 & 4CX15,000 series tubes. More by far with 8877's than any other tube. Unfortunately, my Henry Tempo 6n2 amplifier was so full of dust from the wild west that I fried my 8874 tubes and the amplifier sat idle for many years while I married and raised a family. The is a compact high-mu power triode intended for use in zero bias Class B amplifiers in audio or RF applications. This is a list of vacuum tubes or thermionic valves, and low-pressure gas-filled tubes, or discharge tubes. Sheet3 Sheet2 Sheet1 Chart3 Chart1 Chart2 SHA2010 1U564-003-3 P/N S/N T1392 634-0371-002 371-0385-080 COLLINS CONN. 3cx5000a7 / yc156: yc156a: 3cw5000a3: 3cx6000a7 / yu148: 3cx10000a: 3cx10000h3: 3cx15000a7: 3cx15000a3: 3cx15000h3: 3cx20000a7: 3cw20000b7. and its affiliates are not liable for its accuracy. Eimac yc-257 power triode amplifier tube for ham radio operations nice clean. The three types differ only in method of cooling and anode dissipation: the anode of the 8873 is designed for. The 4CX125C is a horizontally-finned version of the 4CX300A. Worldwide, X-ray equipment manufacturers use our reliable components to instantly produce sharp, detailed images. unitec mro catalog 28 28 manufacturer / brand 2279 ebm 2280 ebmpapst 2281 ebner 2282 ebru 2283 ebv 2284 eca 2285 ecco finishing 2286 ech will 2287 ecia 2288 eckardt 2289 eckart 2290 eckelmann 2291 eckerle 2292 eckmann 2293 eckold 2294 eclipse 2295 eco antriebstechnik 2296 ecofit 2297 ecolab 2298 ecomacchine 2299 eco-mix 2300 econex 2301. Note: It is sceptical to read these factory datasheets for Russian tubes. The socket is NOT part of the sale. These tubes possess the same rugged internal features of the 4CX300A and are quite free of mechanical noise under severe shock and vibration conditions. Varex's OEM products are used in X-ray imaging equipment for medical diagnostics, dentistry, veterinary care, and industrial inspection. pdf (1536207 bytes) 8876 Eimac Q~ 8876. The Amperex version appears to be electrically equivalent to the 8163/3-400Z with the exception of the anode dissipation rating. Charlie Hugg [Boatanchors] ARRL Repeater Directory wendell rushton. For Sale: One used Eimac 4X500A VHF/UHF power tube. Two Eimac 3-500Z grounded grid triodes,. It will work on SSB, CW, and FM and should put out about 350 watts SSB or 300 watts continuous. The compact high-power triode intended for use in zero bias class B amplifiers in audio. This homebrew six-meter linear amplifier started off life as a "junker" Alpha 76PA h. Why Oxygen Electronics Is Your Essential Supply Chain Partner Manage Your Supply Chain Risk. 日本が圧勝しましたが、私としてはなんかぱっとしません。てかそういう方多いのではないでしょうか?トーゴがベストメンバー&ベストコンディションではなというのに加えなんとなくでやっている気がしてしょうがない。. FS Eimac 3CX400A7/8874 tubes. chassis construction. The biggest and best ham radio classifieds on the web! Buy, sell, trade HF and VHF equipment, towers, antennas, rotators and more!. Returning to 2m in 2004 things had changed. 77 $ Emiac yc-257 tube**proudly made in the u. The 8873 (the conduction version of the 8874 triode) is rare (no longer in production) and usually premium dollar when they do appear. The power transformer was also upgraded to a new Peter Dahl 76A-2 Special Hypersil. Prices subject to change. COMMUNICATIONS & POWER INDUSTRIES, LLC, DBA CPI, DIV MICROWAVE POWER PRODUCTS, DIVISION - EIMAC OPERATIONS is an Active Commercial Supplier with the Cage Code 06980 and is tracked by Dun & Bradstreet under DUNS Number 009438300. My 432 MHz PA. They go to a alpha amplifier and others amplifiers to. Find great deals on eBay for eimac vacuum tube. Eimac yu209 / 3cx1500a7 / 8877 ham radio / broadcast / alpha amplifier tube Sold at 550 $ This looks to be a new old stock yu209 / 8877 ( or very lightly used) tube that is packed in an opened tube box and unsealed packaging. I wanted to assure that these tubes were fully operational before I listed them for sale. 5 million vacuum tube types, valves, grid caps, sockets and capacitors in stock. Venezuela, Piso 2 Ofic. The triode amplifiers have the advantage of not requiring the critica screen supply voltage and the disadvantages Of. Max-Gain Systems, Inc. The triode has lower power gain than tetrodes, but can achieve output power up to 1. 3-500C $ 195 each or $390/matched pair 8877 (3CX1500 A7) $845 3CX3000A7 $765. The only reason Im parting with this is I recently put a Alpha 87A in service and just dont have the room for a spare amp. Two Eimac 8874 grounded grid triodes, lull kilowatt 01 output for SSB, built-insolid state power supply, anten­ na relay, internal blower, relative AF power indicator and lull amateur band coverage from 80-10 meters. Completely self-contained in one small desk mount cabinet with internal solid state power supply, built in blower and RF relative power indicator. 3CX400A7 Compact High-mu Power Triode. These heavy-duty, graphite-plate 3-500Zs are an updated version of the venerable vacuum tube that has been around for well over half a century. The Tempo 6N2 meets the demand for a high power six meter and two meter power amplifier. Brand (Eimac), MPN (SK1900 / SK1910 / SK1916), Country of Manufacture (United States) Review (mpn:3cx800a7- for sale) Set 3cx800a7- Socket Tube Eimac Chimney 1 Sk1910 Sk1900 8874 Sk1916. The EIMAC 8252W/4PR60C is a high-vacuum tetrode intended for pulse modulator service in circuits employing inductive or resistive loads. mediacaster broadband & content. Shop with confidence. Most metal/ceramic tubes are also discontinuing (i. THIS LISTING IS FOR A SERVICE I will convert your Motorola Minitor V Cradle to a programming cradle with USB cable and driver link included. Now that the kids are all grown and have moved away I have been slowly rebuilding that amplifier using the more rugged and affordable 3CPX800 tubes that I. Using a pair of Eimac 8874 tubes it provides 2000 watts PEP input on SSB and 1000 watts input on CW and FM. Alpha (ETO) RF 6 Meter Linear Amplifier 40-70 MHz, with Single Eimac 8874 Tube, and Built in power Supply with Hypersil Transformer. Acheter cialis france. 00 individual/$30. The 3CX400A7/8874 is a compact high-mu power triode intended for use in zero bias Class B ampli-fiers in audio or RF applications. •Warning -Look closely at construction/soldering. Worldwide, X-ray equipment manufacturers use our reliable components to instantly produce sharp, detailed images. alpha 76_p_c page 1 alpha 76-p-c part description part # schematic symbol ball drive (vernier for tune and load caps) mdx-x127 blower motor 115v (howard #3-90-8507) blx-x105 b1, use bomax # 301-6563. I wanted to assure that these tubes were fully operational before I listed them for sale. Megahertz Magazine No 069 Nov 1988 tMEGAHERU ^ ^ÊmÊM A G A Z I N E Récepteur 19 mètres Décodeur satellite 'jfhf IC 575 50 MHz A n t e n n e YA 3 0. EIMAC Power Grid Tubes. While many or most tube failures are caused by age, there have also been bad tube manufacturing runs over periods of time. I have Eimac 8874's I am selling. 2 Customer Reviews. I have had problems with Eimac tubes also when the Salt Lake City plant was producing tubes. The characteristics of the tubes are very similar. The plan is to build a cabinet out of a metal File cabinet on wheels that looks nice and clean to house a single PSU for all of the SSPA amps in the works. The 8874 and 8875, which are electrically identical and only differ in the anode cooling method, have an anode dissipation of 400W and 300W respectively. Visita eBay per trovare una vasta selezione di eimac 3-500z Valvole. They have never been abused (I always monitor grid current and have never driven them beyond 1500 Watts). EIMAC SK-1900 EIMAC SK-1906 EIMAC SK-19. Max-Gain Systems, Inc. They are date coded 8342, which is 42nd week of 1983. Richardson Electronics is proud to be the exclusive global distibutor for CPI-Eimac products. Now that the kids are all grown and have moved away I have been slowly rebuilding that amplifier using the more rugged and affordable 3CPX800 tubes that I. Known for its best quality, clients can avail this Eimac 3CX400A7 / 8874 Ham Radio at industry leading prices from us. ETO Alpha 374A Linear 'No Tune' Bandpass Amplifier 374 78 w/ Eimac 8874 Tubes. Sold at 417. The characteristics of the tubes are very similar. Acheter cialis france. For example, there are dozens of grid and cathode (electron emitter) designs. Find great deals on eBay for eimac vacuum tube. Joe Reisert, W1JR, "VHF/UHF World - Transmission Lines," ham radio, October 1985, page 83. Tel 0287086988. ETO Alpha 374A Linear 'No Tune' Bandpass Amplifier 374 78 w/ Eimac 8874 Tubes. Competitive prices from the leading RICHARDSON ELECTRONICS Electron Tubes distributor. Eto/Alpha 78. Eimac 4w300b / 8249 Tube (water. They have never been abused (I always monitor grid current and have never driven them beyond 1500 Watts). Returning to 2m in 2004 things had changed. This is one of three auctions of these types of tubes I currently have listed, so please check my other auctions. DIRECION: Av. Tube 8874 or Röhre 8874 ID30637, Transmitting Triode, air cooled, and shown. Three Eimac 8874 tubes. 4CX400A Russian Tubes for the MLA-2500 Amplifier By: B. EIMAC Matched Pair 2 x 8874 (3CX400A7) Amateurfunk. 8873–conduction-cooled tetrode, popular in amateur radio linear amps (Heathkit SB240)–made by Eimac. Tube 8875 or Röhre 8875 ID25522, Transmitting Triode, air cooled, and shown. Electron tubes are almost outdated, but there was one time when the electron tube was in every piece of electronic hardware that received or transmitted Radio Frequency signals or accomplished. The triode amplifiers have the advantage of not requiring the critica screen supply voltage and the disadvantages Of. Check our stock now!. FS Eimac 3CX400A7/8874 tubes. It's 12VAC @ 4A and runs 13. How to Find out if an Electronic Tube Is Good. Eto/Alpha 78. They go to a alpha amplifier and others amplifiers to. 5% similar) This auction is for a vintage pair of Eimac 100th VT 218 vacuum tubes. And manufacturers indicate double smaller limits of time of service, warranty output Power, anode voltage, etc. You are bidding on a new old stock/new in box Eimac 8874 / 3CX400A7. 16 EIMAC P/N 720359 EIMAC SK-655 EIMAC ACC-I Printed in U. Search the history of over 379 billion web pages on the Internet.