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3cx1500a7 amplifier

3cx1500a7 amplifier


4. com, or contact: CPI MPP Division, Eimac Operations, 607 Hansen Way, Palo Alto, CA 94303 Thomson CSF 3CX1500A7 (8877) Power Triode Brand New (not NOS) 6 months warranty New stock 8877 valve (3CX1500A7) as fitted to many Amateur and Commercial Linear Amplifiers. The enameled wire is not included- I stripped some from transformers Dec. 24. Design of a Pulsed, 10 w, Ku-band Solid-state Amplifier for Radar Transmitters. Tube and output vacuum relay replaced with NEW Eimac 3CPX1500A7 and NEW Henry vacuum relay 6 months ago. This tube may be operated in CW or pulse modes. New Peimac 3cx1500a7 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 plate modulated Class C rf amplifier. 23, H 3K-ULTRA   5 Jul 2014 Caution! Safety: With nearly all tube type amplifiers, there will be High Voltage. 30-50 to 30-57; A 160- to 10-Meter Amplifier Using the 3CX1200A7 A Two-Kilowatt Amplifier Using the Eimac 8877 Triode (one 8877 or 3CX1500) (2,080,841 bytes, PDF file) ARRL Handbook 1978, pp. 7 screen and suppressor grid by-passing and screen tuning 62 3. 3CX1500A7 . 60. A 432 MHz High Power Amplifier with a GS35b, DL4MEA: 432 MHz PA Utilizing GS35b triode, VK3NX: 3cx1500a7 6m 6m home made amplifier 2 kw, F5MAG: 300w for 23 cm amplifier W6PQL: 3-500Z Amplifier,Eimac: 100 W Linear Amplifier for HF bands OH2NLT and OH7SV: 450 watt 6m 50MHz Ham Radio VHF Amplifier: 500 WATT PA by SM0VPO: 600w 23cm LDMOS Amplifier Ameritron s AL-1500 Amplifier with Eimac® 3CX1500A7 Feel the need for maximum legal HF output power? AMERITRON s AL-1500 will give it to you. This is the amplifier you have been looking 272627211306 8877 Linear Amplifier. , Ltd. The filaments are warmed up for three minutes before high voltage is applied. It is able to provide 1. The AL-1500 has two illuminated panel meters. 00 1pcs New Eimac 3cx1500a7 8877 Rf Power Tube Electron Tube Ship Dhl Or Ems. 5 The 3CX3000A7 high-mu forced air cooled power triode provides relatively high power output as an amplifier, oscillator, or modulator at low plate voltages. Tube Eimac Yc-236 8877 3cx1500a7 Nos . etc. Order: 1 Piece Triode 3cw45000h3 for Industrial RF Heating Machine Parts Rf 電源高周波アンプ真空バルブ 3cx3000a7 , Find Complete Details about Rf 電源高周波アンプ真空バルブ 3cx3000a7,発振器チューブ、電子管、パワー三極管 from Oscillators Supplier or Manufacturer-Ningbo Setec Eletron Co. 00. 70 cm, 2 or 6 meters. * * I forgot…. 5 kW Ceramic triode, forced air cooled, variant 'A', gain group 7 3CX2500A3 – 2. 9 FEET WIND RATING --- 100MPH MAST SIZE --- UP TO 1 5/8 INCH OD RADIALS --- 4 AT 100 INCHES MATCHING --- PARALLEL TUNED NETWORK FEED CONNECTOR --- SO Jan 28, 2015 · Big Robust RF Deck and Tank Pi-L Network. 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. 13 stabilizing the amplifier 76 EIMAC 8877 / 3CX1500A7 High Power Electron Tube. After having a problem with the 3CX1500A7 it was replaced with a 3CPX1500A7. 3 typical rf amplifier circuit designs 52 3. Amplifiers. The 3CX2500F3 & 3CX2500H3 are forced air cooled, ceramic—metal hign-mu amplifier factor triodes containing a thoriated tungsten carbide cathode, intended for use in industrial RF heating service. The socket has silver plated contacts and is the type of socket used in Henry amplifiers. Ebay. About the tube conditioning , (being new), the filament voltage, with blower was applied without HV during 48h. com 3cx1500a7 8877 - $1,299. Moneysmith, W4NFR ; w4nfr@earthlink. This tetrode may be operated in CW or pulse modes. I’ve relieved the sides to increase air flow. From HF, VHF, UHF, 50Mhz, 70Mhz and 144Mhz through to 432Mhz and 1296MHz the DX Shop supplies Linear Amplifiers, Antennas, Aerials, Masthead Preamplifiers, LNA, Coaxial cables and connectors, sequencers and amplifiers for your ham radio station. fax : (650) 592-9988 Next amplifier Last modified 2014-07-13 Linear Amp UK - Discovery 6. SUV System Ltd. Ameritron’s AL-1500 Amplifier with Eimac® 3CX1500A7 Feel the need for maximum legal HF output power? AMERITRON’s AL-1500 will give it to you ARB-704 6. 2,400. IN-STOCK! Plus ship. Page 4: General Information The Alpha 9500 utilizes the same superbly designed RF deck found in its predecessor, the Alpha 87A, but instead of the two 3CX800s, our selection for this amplifier is the single 3CX1500A7 8877 high power triode. The University apparently thinks so. JPG 640 × 480; 78 KB. This power grid tube features high gain and operates with zero bias in class as a linear amplifer or, with simple cathode bias, it provides good efficiency in class Dec 11, 2008 · Dual 8877 (3CX1500A7) Schematic. We manufacture the following all 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. As a linear amplifier, high Help maintain your amateur radio hobby or profession with the Eimac 3CX1500A7 Ham Radio Tube. 2 MHz - will produce RF power output levels of 220, 440, 575 and 700 W for driving powers of 5, 10, 15 and 20 W, respectively. 3CX1500A7/8877 in grounded-grid config- uration and will develop 1500 watts PEP output with 2500 volts on the plate. There are a few issues with the AL-1500 that the user should check. 10 keying 70 3. New Dekker Oil Free Rotary Vane Vacuum Pump, 7 Acfm, 0. As a linear amplifier, high power use as a zero-bias Class B rf amplifier or Class C power amplifier or oscillator. Regular price Info Wanted Dentron DTR-2000L Amplifier. Output transformer for large public address valve amplifier. New Dekker . The item measures ap The DX Shop - Antennas, Amplifiers and Accessories for the dedicated Radio Amateur. $1,983. Rf Power Supply Metal Ceramic Electron Tube 3cx800a7 , Find Complete Details about Rf Power Supply Metal Ceramic Electron Tube 3cx800a7,Electron Tube,Ceramic Vacuum Tube,Amplifier Tube from Oscillators Supplier or Manufacturer-Ningbo Setec Eletron Co. This amplifier has several advantages; first, this amplifier is a zero bias. 3CX1500A7 is a metal ceramic RF power supply triode tube designed specifically for industrial applications. £997. Tuning Steps. The output stage of the amplifier is designed around a 3CX1500A7 (8877) triode, a vacuum tube manufactured by Eimac in San Carlos, CA. 9 protection 65 3. 500w at 4. The amplifier comes wired from the factory for 240 VAC. It uses an EIMAC. Not currently stocked . My view is at 68 years of age ether tube should last longer than I will. I checked yesterday and from Ameritron the 3CX1200Z7 was $1,995 and the 3CX1500A7 was $2,095. 74 115 1. Amplifier is in excellent condition. Country/region Of Manufacture: United States 3CX1500A7/8877 3CX3000A7 3CX3000F7 3CPX800A7 * 3CX6000A7/YU-148 ML-6423F 3CX10,000A7 3CX15,000A7 3CX20,000A7 3CX20,000C7 3CPX1500A7 * 3CPX5000A7 * 3CW2500C7/YU-157 3CW2000A7 3CW1750A7 3CW5000A7 3CW5000H7 3CW7000A7/YC-237 3CW7000H7/YU-106 ML-6422 3CW20,000H7 3CW30,000H7 3CW40,000A5 Type Number Output Power, kW Air-Cooled Water-Cooled 3CX1500A7 (IPA) 3CPX1500A7 (PA) 3CPX5000A7 (PA) Would appreciate recommendations. Like it or not, tubes are very difficult to manufacture. Now that's not real world pricing and the 3CX1500A7's are readily available as pulls where the 3CX1200Z7 is not to my knowledge. This triode is grounded grid, and cathode-driven amplifier. Lauched in 1986 the 2m Explorer using a single 4CX250B or a 4CX350B gave 300 watts on 2m with a drive of only 10 watts. Resources listed under Amplifier category belongs to Amplifiers main collection, and get reviewed and rated by amateur radio operators. 58 A Maximum-signal grid Nov 27, 2007 · power vhf amplifier 3cx1500a7 , output power more than 1. 1pcs New Eimac - $1,614. 000H7 is a high-mu power triode designed for use as a zero bias Class B RF amplifier, Class C power amplifier or oscillator, or for voltage regulator service. 13. amateur frequencies and uses the popular lower-cost 3-500Z tubes, this amplifier will also come FS – 2 meter Amplifier. 12 power supply consideration 75 3. The 8877/3CX1500A7 is a(n) fac triode manufactured by CPI-Eimac. 0kw X-band TWT Amplifier: VDL1014 TR Limiter Attenuator: VKC2489 C-band Klystrons: VLL1792 UHF SPDT Switch: VMC1352A Magnetron: 3CW20000A3 The 3cw20,000h7 is a High-mu Power Triode: 4CX350A RF Linear Amplifier: 3CX20-000A3 RF Industrial Oscillator or Amplifier: VTC-6260E4 W C-band Helix TWT Series: 3CX1500A7 RF Linear Amplifier Some say the best all-around high-power linear amplifier ever made. (PO) and ALC. There are 29 triode 3cx1500a7 suppliers, mainly located in Asia. But for the amplifier seen as a whole, the total power into the entire amplifier is 1000 Watts input to its final, from the main in which I plugged it into *plus* the additional 100 Watts input to the drive (base) circuitry coming from the transceiver. 0 64 2,075 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. (Volts). 0 3,500 --- 1. Enlarge Image (TUA) SK710. 875" square pattern. 5 A Plate dissipation 3000 W Grid dissipation 225 W Typical Operation (two tubes, sinusoidal waveform) Plate voltage 4000 V Zero-signal plate current* 0. Get ready for the summer contest season. Prices subject to change. Mcintosh 275ts Mc275 Vacuum Power Amplifier Amp Tube Set Kt88 12ax7a 12az7 Used. We might be splitting hairs, I do not know, but if a 3CX1500A7 is run at 4. Oscillator Tube 3cx1500a7 , Find Complete Details about Oscillator Tube 3cx1500a7,High Frequency Oscillator Tube,Rf Power Amplifier,Vacuum Tube from Other Electronic Components Supplier or Manufacturer-Beijing Jenerator Electronic Co. Henry Radio manufactured high power tube amplifiers for Amateur Radio, business, commercial, industrial and scientific use for nearly 50 years, but that part of our business closed in 2005. While one west coast amateur blames all failures on amplifier design issues (and oddly enough sells what he says is the only cure for problems), the truth is power grid tubes have multiple causes of failure, virtually none of which have anything to so with parasitics. 4. Many amateur amplifier designs around this beauty. Dentron DTR-2000L. The 3CX1500A7 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. Please read description carefully. CPI-Eimac is a leading manufacturer of power grid tubes covering a wide range of applications including broadcast, industrial and scientific. This tube uses a coaxial design and metal-ceramic technology. -- it's equivalent to a 45 pound transformer using standard E-I laminations. 3 Volts Wizard Built Amps, Chicago, Illinois. 1 Tubes The Alpha 9500 makes use of a single 8877 (3CX1500A7) ceramic triode tube manufactured by CPI Eimac corporation. Tube socket is from a Continental 317C. For operation in pulse mode, the parameters depend on each equipment characteristics. Filament Thoriated Tungsten mesh. Handbooks. CW Still searching for "Eimac". They just don't get any nicer than this one. Amp works 100%, no problems what so ever, like I said, it has 2 hrs on it, if that. The first units covered 10 to 80m and gave around 800 watts from 2 x 4-400. GENERAL ELECTRICAL Find many great new & used options and get the best deals for Eimac 8877 3CX1500A7 Power Triode Amplifier Tube With Socket & Chimney at the best online prices at eBay! Free shipping for many products! ARRL Lab measurements show this amplifier - operating at 14. May 09, 2016 · Shipping began in 1972. Select from 4 different primary voltage ranges, from 205-219 VAC to 252 to 265 VAC. As HF mobile operation grew popular, they became a pioneer manufacturer of full-transistorized wide-band linears for mobile use, with models HL-200B and HL FACTORY NEW EIMAC 3CX1500A7 / 8877 Ham Radio / Broadcast Tube ON SALE - $2,000. net The following describes a 160-10 meter linear amplifier that uses a pair of 3-500Z triode power tubes. Thomson CSF 3CX1500A7 (8877) Power Triode Brand New (not NOS) 6 months warranty New stock 8877 valve (3CX1500A7) as fitted to many Amateur and Commercial Linear Amplifiers. 11. Working SubscribeSubscribed Unsubscribe 1. It was really so hard for me to pass, abandon and leave it on a whole bunch of scrap bench after spending a lot of time on "shaping". Oct 03, 2016 · PL8877/3CX1500A7 High-Mu Power Triode Input Circuit - When the PL8877/3CX1500A7 is operated as a cathode driven rf amplifi er, the use of a resonant circuit in the cathode is recommended. 6 115 10. Examples of low power triodes from 1918 (left) to miniature tubes of the 1960s (right) When an amplifier is turned off, all power to it is removed, including all high voltage, low voltage and control circuits. The 3CX1500A7 is a Power Triode, 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. KK4RSV Find great deals on eBay for 3cx1500a7 and 3cpx1500a7. Check it out at www. 73 postage. Certified Licensed Technician's. FS: DENTRON DTR-2000L. It gives you the Maximum draw at rated output: 15 amps at 240 VAC Tube これが、心臓部3CX1500A7か、どきどき・・・・ これだけで15万円. 800 MHz to 29. THIS IS A TRUE 5/8 WAVE FREQ RANGE --- 26 TO 30 MHZ TUNABLE POWER 5KW CARRIER 10KW SSB BANDWIDTH --- 500KHZ WEIGHT --- 20LBS HEIGHT --- 21. GS-35B OR 3CX1500A7 TUBE Used Test full output ALSO HAS A NEW HEAVY DUTY 1/2+ AMP POWER TRANSFORMER SURGE TO 1 AMP. Used (normal wear), This amplifier is an Ameritron AL-82 that was professionally converted to an AL-1500 by Martin Electronics. Min. The EIMAC SK640 VALVE SOCKET BASE FOR 4CX250 AMPLIFIER VHF UHF RADIO FREQUENCY. It reminds me of the Heathkit SB-220 in the sense that it is a good value, especially if purchased used. ILS 1,946. cpii. . Homebrew Construction of SSB & CW Radios, Linear Amplifiers, Micro Controller Applications. bias diode voltage dropping assembly, The assembly is used in For CT circuit of the RF chassis to set bias to the tubes. 3-500C $ 195 each or $390/matched pair 8877 (3CX1500 A7) $875 3CX3000A7 $765 We also carry glass chimneys for 3-500 tubes click here. 15. 14. Audi Oem 2012 A7 Quattro-stereo Audio Radio Dash 1500 watts HF amplifier, 10-160 metres with 3CX1500/8877 tubes with QSK-5 Kit I HamGadgets - Interesting gadgets for radio amateurs. Induction Heaters, Plasma Generators, and RF Generators. 0 Amp. The AL-1500 uses a single 3CX1500A7/8877 tube in a class AB2 grounded grid circuit. The item measures approximately 2. The 3CX1500A7, a modern 1. Many RF power amplifiers have used these tubes over the years, such as the Ameritron AL-1500 Series, Alpha 77 Series and Alpha 9500 Page 3 FEATURES proper operation of the amplifier. EIMAC Electron Transmitter Tube JAN-8403 + Socket Mount: Price: $200. 1. 3,200. Model 77 Specs: Used one Air Cooled Eimac 8877 / 3CX1500A7 Legal Limit 80m – 10m (except 12m) Vacuum Relay T/R 240vac Dimensions: 9. 8KW. 0 The 3CX1500A7/8877 power triode is designed. They may also serve as a cathode-driven Class C RF amplifier. For Radio Amateurs that need effortless, reliable power for contesting, DXing, Contesting or EME. The only parts purchased for the rig were the tube, the socket, and the plate inductor. RuTubes. The tube maximum plate dissipation is 1. The 3C15000A7 / 3CX15,000A7 Vacuum tube is a high mu triode for use as zero bias class B RF amplifier. Order Now . And there are lots of 3cx1500a7's and 2 x 3-500z with close to 4kv on the plate around and run by operators legally. Find it now at FindTarget Shopping. I spent a lot of time evaluating the 3CX1200A7, GS-35B, and 8877 tubes to replace the aging 3-1000Z in my BTI amplifier. For best results with a single-ended amplifi er, it is sug-gested that the cathode tank circuit operate with a "Q" of 5 or more. 3. 1 Yr Warranty. Page 4: General Information The amplifier tube 3CX1500A7 is a ceramic-metal and rugged high-mu power triode, designed with oxide coated cathode. (2) 3-500Z HF AMPLIFIER By William G. triode is designed for use as a cathode driven Class AB2 or Class B amplifier, in audio or RF applications Perfect for an HF amplifier where the bypass caps are not needed below 50 MHz. 00 each ! Quite expensive, but still it's a needed part if you are a ham, and own an amp that uses the 3-500 style tubes. This amp was used for moon bounce both portable and on the 84’ dish at Cheltenham under K3NSS. £45. 4 Amps, 1. › See more product details $25. ILS 148. Documentation on the original Gates amp indicated that it was a 2 to 30 mHz design. ,Ltd. The term usually refers to a type of radio-frequency (RF) power amplifier, some of which have output power measured in kilowatts, and are used in amateur radio. You can also choose from voltage regulator. The Ameritron AL-1500X is the export model and covers 160 through 10 meters. A linear amplifier is an electronic circuit whose output is proportional to its input, but capable of delivering more power into a load. 3 Volts Find great deals on eBay for 3cx1500a7 and 3cpx1500a7. As a linear amplifier,  NOTE; We can also build this unit fitted with a 3CX1500A7 (8877) valve fitted at extra cost. Up today we have a beautiful brand new factory fresh Eimac 3CX1500A7 / 8877. Amateur Amplifiers The Ameritron AL-1200 uses a highly efficient Peter Dahl tape wound Hypersil transformer weighing 32 pounds. 4CX1000A is a High Frequency Metal ceramic rf amplifier power tube designed specifically for industrial applications. Quick view. Related: 3cpx1500a7 3cx3000a7 3cx1500a7 amp eimac 8877 tube 3cx800a7 linear amplifier Ameritron AL-1200 Amateur Amplifier Peter Dahl 3CX1200A7. 8. 5 volts Half a volt less than rated, is there any reduction in emission? Personally comparing the 2 tubes myself in the same amplifier I see no reduction in  Eimac 8877/3CX1500A7 amplifier tube amployed in the ALPHA 77 requires approximately 90 seconds' filament warm-up prior to application of r-f drive. This page might be a bit long, but it explains how and why you need to adjust the amplifier in a certain way. The Linear Amp UK Discovery 6 utilises a single Russian GS35 triode and will produce up to 1500 Watts output with 100W of drive. Type: Amateur all-mode VHF linear amplifier: 3CX1500A7 option (lower drive & 1. The 3CX4500F3 is a forced air cooled, ceramic—metal medium-mu amplifier factor power triode containing a thoriated tungsten carbide cathode designed for mainly used in amplifier, oscillator and modulator. 5 volts Half a volt less than rated, is there any reduction in emission? Personally comparing the 2 tubes myself in the same amplifier I see no reduction in power output running the 3CPX1500A7 at a 1/2 volt less filament voltage. A bad connector shorted out. At least for my amplifier, the tuned-input circuit favors 17m with lower SWR (at the expense of 15m), even after I adjusted the inductor slug. The other meter reads 1. 3CX1500A7 / 8877 AMPLIFIER. It goes anywhere, works like a horse in one enclosure. The ars web broadcast catalog pages are for radio and television broadcasters world wide that repair and replace vacuum tubes and related parts for broadcast transmitters. A new AL-82 is For sale from the UK: A single, used, genuine Eimac power triode tube, the 3cx1500a7 also known as the "8877". 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。 A linear amplifier is an electronic circuit whose output is proportional to its input, but capable of delivering more power into a load. The Amplifier is a SR Systems SR-410A based around an 8877 (aka 3CX1500A7) Eimac tube, this system is setup for 144 MHz operation. Dec 18, 2019 · Here's the kick in the butt that hit the Amateur Radio Amplifier Owners, the 3-500Z or G tubes used to sell for $50. Second, grid is grounded, so circuit configuration is simple compared with tetrode, and pentode. Plate choke is off the shelf similar to Ameritron’s. DX Engineering 8877 Ceramic Power Triodes (also known as 3CX1500A7) designed for use as a cathode-driven Class AB2 or Class B amplifier, in audio or RF applications, including VHF High band to 250 MHz. 3CX1500A7 (also known as a 8877) ceramic triode tube. Voltage 6. 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 plate modulated Class C rf  18 May 2014 10-160M 8877 amplifier. 33 3d 22h + £27. 51 shipping. 6hp. 0. Class B operation with zero grid bias offers circuit simplicity by eliminating the bias supply. 6 - AM project : station Collins 618S-4  21, H 3K-CX, HENRY, 3CX1500A7 x1, 4000, π-L, コンソール, 4K-ULTRAのアマチュア バージョン. A wide variety of triode 3cx1500a7 options are available to you, such as surface mount. The 8877/3CX1500A7 is primarily used in broadcast applications. A lightly used Eimac 3CX1500A7/8877 spare tube included. Thanks. Continuously Licensed since 1959 with former call signs: W6JFR, K3IXU, KM6DD & KM6BI (Midway Islands) , and W7FFL. Warmup Time Plate Current Absolute Maximum, 1. This adjusts the resting current of the amplifier and sets the class of operation. 4,000. 60 cathode driven RF linear amplifier at 108 MHz. 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 EIMAC 3CX1500a7. 2. It has been professionally tested and is ready for use in a variety of applications including service in a ham radio linear amplifier. This information is to be used for making up your own mind about which tube is for you . Is your DX operation hungry for power? Feed it with a power amplifier from DX Engineering. Model: 8877 / 3cx1500a7 . THE NEW COLOSSAL 10K -- We are now accepting orders on this vertical. 10 Products. $0. Once installed, you can obtain high power gains and amplification on your sets without lower modulation distortion. KF8OD. - Harald LA5MIA - 8410 owner I ran the Alpha 9500 almost exclusively this weekend for SS CW. The 3CX1500A7 is a Power Triode, 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. 9. It is using the W6PO (sk) design and consistently puts out up to 2800w on 144. High performance tube: the AL-1500 uses a single rugged Plate Voltage (HV), Plate Current (IP), Peak RF Watts 3CX1500A7/8877 tube. Please call to discuss. Triode 3cx3000A7 for RF Power Amplifier FOB Price: US $500-1,500 / Piece. Eimac Electron Tube Triode 3CX1500A7_Power Triode FU-959F. 00 (5 offers) - Buy Eimac 3CX1500A7 8877 . Here is the Eimac tube by itself. (Volts) (amps) (Watts) (kiloWatts) c cathode driven RF amplifier plate modulated. China Vacuum Electron Tube Fu508f Equivalent to Eimac 3cx1500A7 Power Triode Tube, Find details about China 3cx1500A7, Fu508f from Vacuum Electron Tube Fu508f Equivalent to Eimac 3cx1500A7 Power Triode Tube - Eec Technology (Beijing) Corp. The Ameritron AL-1500 is a 1500 watt output linear Amplifier that operates from 160 through 15 meters. EIMAC 8877 / 3CX1500A7 High Power Electron Tube. The socket has 4 holes for mounting in a 1. 12. This tube is brand new with current date code and has never seen a socket. 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  This is a basic comparison of the GS-35B and the 3CX1500A7/8877. Evolution of the Discovery 2m, Gm, and 70cm VHF Linear Amplifiers using:- . This has a genuine Eimac 3cx1500A7 / 8877 tube. S. 6. The is a compact, high-Mu triode with an anode dissipation rating of 1500 Watts. Mar 18, 2020 · World's leading amateur radio web site with news, technical articles, discussions, practice exams and more. Shop with confidence. B) with two QB4-1100. 30-46 to 30-49; A Legal-Limit Amplifier for 160 through 10 Meters (8877) ARRL Handbook 1990, pp. 0 560 47. Just one example is Ameritron/MFJ now charges $2999 for ONE 3CX1500A7 / 8877 tube!! For your consideration, I have for sale my excellent condition Henry Radio Electronics model 2KD-Classic desktop linear amplifier which covers 10 thru 80 meters U. 190-195; 1500-W-Output Amplifier for 160 Meters (3CX1500A7) ARRL Handbook 1990, pp. Hi, I'm Dan W7RF, aka RADIODAN. 00: Time Left: 10 D 5 h 10 m 48 s 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。 Eimac 3cx1500a7 / 8877 Ham Radio Tube for sale online | eBay. 5″h x 17″w x 18″d FACTORY NEW EIMAC 3CX1500A7 / 8877 Ham Radio / Broadcast Tube ON SALE - $2,677. 5 - Homebrew linear amplifier. Fully automatic, legal limit plus headroom amplifier; Alpha's low-drive, tube amplifier design delivers the cleanest possible signal; Operates on all Amateur Radio Bands 160M thru 10M; Single, easy to find, inexpensive 3CX1500A7 8877 type  28 Jan 2007 We might be splitting hairs, I do not know, but if a 3CX1500A7 is run at 4. 4CX800A Kennlinie. 2 kv dc. Eimac 3-500Z Vintage Ham Radio Amplifier Tube (full output, 6528 date code) C $208. one of oldest radio stations of the world installed before 1937 from telefunken for ert sa greek rario tv ***** the main radio station and the greek radio amateur sv1pc pensioner technician ertsa aB2 cathode driven RF linear amplifier at 30 MHz 4,000 1. Buy Electronic Products & Components in bulk from us for the best quality products and service. 0 The First Amplifier made was the Explorer under the name Heatherlite. 21. HAS INPUT AND OUTPUT TUNING. China High Frequency Supply Ceramic Amplifier Triode (4CX5000R), Find details about China Ceramic Heating Tube, Electron Tube from High Frequency Supply Ceramic Amplifier Triode (4CX5000R) - Ningbo Setec Electron Co. The amplifier features fast warm up and 1500-Watt RF output with 100-Watts of drive. Electrical specifications for the 3CX15000A7 / 3CX15,000A7 Vacuum tube. Rf 電源高周波アンプ真空バルブ 3cx3000a7 , Find Complete Details about Rf 電源高周波アンプ真空バルブ 3cx3000a7,発振器チューブ、電子管、パワー三極管 from Oscillators Supplier or Manufacturer-Ningbo Setec Eletron Co. 8 grounded-grid circuits 63 3. , page 7 I found my Power amplifier with 3CX1500A7/8877 built in 2008 on a scrap shit market. com goes on vacation from 11 to 27 April 2018. Listed under the Technical Reference/Amplifiers/HF Amplifiers category that is about Amateur linear amplifiers. As a linear amplifier, high power gain may be obtained without sacrifice of low intermodulation distortion and high amplification factor combine to make drive requirements This is a basic comparison of the GS-35B and the 3CX1500A7/8877. Keyword-suggest-tool. It gives you the Herculean 3CX1500/8877 tube for full legal output with minimum exciter wear. It has the potential to output 2000 watts of R. Operation in Class B with zero grid bias offers circuit simplicity by eliminating the bias supply and in addition grounded-grid operation is attractive since a power gain as twenty times can be aB2 cathode driven RF linear amplifier at 30 MHz 4,000 1. Get Eimac 3cx3000 3cx2500 Linear Power Amplifier Tube Lot Tubes HF C MY OTHER RADIO 3CX1500A7 datasheet, 3CX1500A7 datasheets, 3CX1500A7 pdf, 3CX1500A7 circuit : CPI - Cathode driven RF linear amplifier ,alldatasheet, datasheet, Datasheet search site for Electronic Components and Semiconductors, integrated circuits, diodes, triacs, and other semiconductors. The band-switching is either automatic or manual as the Amplifier is designed to operate as a “multiband amateur HF amplifier” within band segments from the 1. A Two-Kilowatt Amplifier Using the Eimac 8877 Triode (one 8877 or 3CX1500) ARRL Handbook 1978, pp. 5 kW Ceramic triode, forced air cooled, variant 'A', gain group 3 4-65A ( 8165 ) – 65 W Glass beam tetrode 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 , contact: CPI MPP Division, Eimac Operations, 607 Hansen Way, Palo Alto, CA 94303 telephone : 1(800) 414-8823. Loading Loading Working Add to  Find many great new & used options and get the best deals for Eimac 8877 3CX1500A7 Power Triode Amplifier Tube With Socket & Chimney at the best online prices at eBay! Free shipping for many products! The Penta Laboratories PL8877/3CX1500A7 is a rugged ceramic and metal power triode designed for use as cathode driven Class AB2 or Class B amplifier in audio or rf applications including the VHF band, or as a cathode driven plate  of the 1500-W output legal-limit amplifier described in the 1985 and 1986 ARRL. Linear Amplifier. com aB2 cathode driven RF linear amplifier aM service 8,000 5. EIMAC. 00 from Eimac, a generic brand called Cosmoz from China sell for $160. 3V @ 25 amps Tube not really designed for linear service here's specs The 3CX1500D3 is a forced air cooled, ceramic/metal, medium-mu power triode designed primarily for use in industrial radio frequency heating services. 15m and 17m share the same bandswitch position. 85 Shipping 3cx1500a7/8877 Forinformation on this and other CPI products, visit our website at:www. A new 1N3307B Zener Diode was installed in lieu of the ECG  China Power Amplifier 3cx1500A7 for Audio, RF Application, Find details about China Electronic Tubes, 3cpx1500A7 from Power Amplifier 3cx1500A7 for Audio, RF Application - Beijing Jenerator Electronic Co. The top supplying country or region is China, which supply 100% of triode 3cx1500a7 respectively. SELL: DENTRON DTR-2000L. From affordable 600-watt PEP output to all-out 1,500-watt continuous power, our selection of linear amplifiers will deliver the stable, efficient power punch you need to operate with authority from 160 through 2 meters. These are 3cx1500 tubes designed for grounded grid operation. This linear amplifier utilizes two 8877 tubes. amplifier output, some means must be provided to vary the output . Audi Oem - $969. Here's the professional test facility kindly provided by Dennis GJ3YHU, the unit was tested both "cold" and "hot". Vacuum tube amplifiers how a PA Converts DC to RF. Henry RF Amplifier Information A few months back I decided to use junkbox parts to build a new 8877 linear amplifier. 3CX1500A7 TUBE in the amp tests at fulll output, has a heavy duty 1/2+ amp transformer that surges to 1 amp. The 3CX10000H7 vacuum tube is a high –mu power triode is intended for use as a zero-bias Class B amplifier in audio or RF amplifier, CW or modulated. 166 You might guess that the Eimac 3CX800A7 and the 3CX1500A7 are my absolute favourite valves ever made. GENERAL 144 MHz Eimac 8877/3CX1500A7 Tube Based Amplifier. High Frequency Metal Ceramic Amplifier Triode 3cx1500a7 , Find Complete Details about High Frequency Metal Ceramic Amplifier Triode 3cx1500a7,Rf Power Tetrode,Oscillator Tube,Electron Tube from Oscillators Supplier or Manufacturer-Ningbo Setec Eletron Co. So the efficiency for the amplifier as a whole is : 8877/3CX1500A7: 50-54 MHz: Console-HD supply: 3006B: 1990-1992: 3CX1200Z7: 50-54 MHz: Console-HD supply: 4002A: 2000 to 2005. The Alpha 9500 utilizes the same superbly designed RF deck found in its predecessor, the Alpha 87A, but instead of the two 3CX800’s, our selection for this amplifier is the single 3CX1500A7/8877 high power triode. 8 Watts), 5 Volts / 10 Amps (50 Watts). It was designed and constructed by William Moneysmith, W4NFR. The higher gain of the valve gives lower drive requirements and potentially about 1800W max output. The meters, 5V filament transformer, 8877 have disappeared. 3CX1500A7 RF Linear Amplifier . You can purchase items, but there may be 8877, sk-2216, sk-2210, 3cx1500a7 HENRY RADIO 4K ULTRA AMPLIFIER PARTS: EIMAC YU-158 8877 TUBE SPARE Fixed Price $ 800. Get the high competitive factory price, meet the high quality China Valve Manufacturers like Zhejiang Setec Co. A no compromise six metre DX or EME amplifier. It uses the EIMAC 8877. 00 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 AL-1500 also features time delay starting to protect the tube and over-current shut off to remove the drive if mistuned. Ivory Jordan says: April 6, 2020 at 12:20 am Can you repair a yc 156 if so Ceramic Tube Socket for 8877/3CX1500A7 Tubesfor Amplifier Builder This item is one good quality ceramic tube socket for any 8877 or 3CX1500A7 tube for repairing an existing amplifier or for building a new one. com, or contact: CPI MPP Division, Eimac Operations, 607 Hansen Way, Palo Alto, CA 94303 NOT! Heater = 6. We inspect just prior to shipment, so you can plug them in and be ready to go as The Alpha 9500 is our Flagship Product. Grid Current meter provides continuous reading of the critical grid current and indicates proper, safe amplifier operation. (Volts) (amps). Sort by Push Button 80 Amp Circuit Breaker for 12/24/50 volts DC or 120/240 volts AC Ceramic Tube Socket for 8877/3CX1500A7 Tubes. A 432 MHz High Power Amplifier with a GS35b, DL4MEA: 432 MHz PA Utilizing GS35b triode, VK3NX: 3cx1500a7 6m 6m home made amplifier 2 kw, F5MAG: 300w for 23 cm amplifier W6PQL: 3-500Z Amplifier,Eimac: 100 W Linear Amplifier for HF bands OH2NLT and OH7SV: 450 watt 6m 50MHz Ham Radio VHF Amplifier: 500 WATT PA by SM0VPO: 600w 23cm LDMOS Amplifier amplifier. Watch AL-1500 Timer/Overload Board Ckt Analysis: Timer Portion: As part of the AL-1500 Linear Amplifier's cktry, a Timer/Overload [T/O] serves to delay the application of the high-voltage until the tube's (8877) filament has been "warmed" for 3 minutes. Thousands of tubes and semiconductors in stock! Electron tubes 3CX4500F3 3CX4500F3 Products Made In China, China Manufacturer. 50 A Maximum-signal plate current 3. In addition, grounded-grid operation is 3CX15,OOOA7 HIGH-MU POWER TRIODE 110 MHz attractive since a power gain with the 3CX15,OOOA7. The inductor was a find at Dayton in 2009. Many hams like the challenging of hunting for parts to build a high quality amplifier out of inexpensive surplus parts. 5 4,000 --- 0. Up Home. category is a curation of 95 web resources on , 811 Linear Amplifier project, HF Tetrode Linear Amplifiers, 4 KW RF Amplifier. Tubes and RF Components for sale. 3CX1500A7/8877 Data Sheet (1975)3CX1500A7, 3CX1500-A7, 8877 3CX1500D3 Data Sheet 3CX1500-D3 3CX1500D7 Data Sheet 7, 3CX1500-D7 3CX2500A3 Data Sheet (1967)3CX2500-A3 3CX2500D3 Data Sheet3CX2500-D3 3CX2500F3 Data Sheet (1967)3CX2500-F3 3CX2500H3 Data Sheet (1966)3CX2500-H3 May 18, 2008 · power vhf amplifier 3cx1500a7 , output power more than 1. $24 each - $22 (6+), $20 (25+) Eimac Socket. £990. The AL-1500J is the export model for Japan and covers 160 through 10 meters. The data sheet for this . Parts Electron tube 3CX2500H3 3CX2500H3 Products Made In China, China Manufacturer. For info: here is the datasheet of the 3CX1500A7/8877 from Eimac®. High output power can be obtained as operatng in medium-mu voltage. Keep in 190-195; 1500-W-Output Amplifier for 160 Meters ( 3CX1500A7) 22 Jan 2020 2 - Collins 718U HF Airborne transceiver. One of our early products, HL-4000 linear amplifier using 8877/3CX1500A7 by EIMAC, was the first real HF band high-power linear of its kind in Japan and welcomed by many enthusiastic DX'ers. 17 AL-811H AL-80B AL-1500 4-811A Tubes 3-500Z Tube 3CX1500A7 3CX1500A7 (8877) – 1. Power tetrode 0. 8877/3CX1500A7 8873 8874 8875 3-500Z 3CX800A7 3CX1200Z7 3CX3000 series 3CX5000 series 3CX10000 series. This is a rack-mount amplifier (rack not included), not a desktop unit. identifiers: 8877, sk-2216, sk-2210, 3cx1500a7 ARS Electronics Since 1947 - transmitter tube Catalog Page. The 8877 will easily deliver. HF amplifiers for ham radio use. Svetlana Tubes also Russian made capacitors,vacuum relay,coaxial relay, parts for HAM Radio,linear amplifier builders 3CX1500A7 is a metal ceramic RF power supply triode tube designed specifically for industrial applications. res. 6 filament by-passing 60 3. 1500w + output from 8877/3CX1500A7. This power triode is designed for Class AB2 or Class B, cathode-driven, audio amplifiers for the VHF band. 5kW and maximum frequency operation is 250MHz. 5 kW power triode used in radio transmitters. com Click Here to Email-- Click Here to View Picture-- Send this Ad to a Friend The AL-1500 has two illuminated meters. (radio frequency) energy with proper tuning and a good power supply. com 3CX15000H3-Vacuum Oscillator tube,Amplifier Triode ITK5-1-HF Vacuum Valve Power Amplifier Tube 3CX2500H3-Heating Machine Ultra-High Frequency Metal Ceramic Electronic Triode The Amplifier is just a dream to use, I can say that the ALPHA is the best over the best. 3CX1500A7 / 8877 Kit. Mar 10, 2014 · 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. 144MHz and 432MHz GS35b High Power Amplifier - by DL4MEA · 144/432/1296 GS35B / GS15B EME Amplifiers K7XQ · A 432 MHz High Power Amplifier with a GS35b, DL4MEA · 432 MHz PA Utilizing GS35b triode, VK3NX · 3cx1500a7 6m Henry Radio manufactured high power tube amplifiers for Amateur Radio, business, commercial, industrial and scientific use for nearly 50 years, but that 3K Classic – 8877, 1980-1984, 8877/3CX1500A7, 3. , Ltd on valveindustry. Tuning Pulser Systems. They are indirectly heated tubes and are run in a parallel configuration. 9-12, 2010 - Testing the 2m-8877 Amplifier: Several days trying to optimize tuning of the 2m-8877 amplifier ended up with a failure of the coax jumper from the amplifier to the main Bird power meter. spectrum. Ending Friday at 12:17PM PDT 4d 4h. Also larger and smaller tube sockets, connectors, and chimneys. The tests proved we had a nice clean amplifier. 10. The amplifier and power supply have been given an independent check over by Broadcast Engineer Dennis GJ3YHU. RF driver employs 3CX1500A7 / 8877 triode, which has a high amplification factor of 200. 6 MHz Amateur band. Do not exceed 75 mA on this meter during normal operation of this amplifier. one of oldest radio stations of the world installed before 1937 from telefunken for ert sa greek rario tv ***** the main radio station and the greek radio amateur sv1pc pensioner technician ertsa 3cx1500a7/8877 Forinformation on this and other CPI products, visit our website at:www. 7 MHz - 1500 Watts minimum on all served bands - -30 dBc Read more → VZX-2783C1 1. The metal cover at the top right, is where you change between 120 VAC and 220 VAC. aB2 grid driven RF amplifier linear amplifier 5,000 2. 75 inches square and . 0 7,000 --- 2. The amplifier is easy to drive, 50 to 60 W   In all cases adding an amplifier to your current installation will probably not help you much in working far DX stations that The last tubes still in production until 2020 or later are 3CX1500A7/8877 triodes and alike made by Eimac/PCI and the   Tube amplifiers are a popular project among hams. amplifier manufacturer/supplier, China amplifier manufacturer & factory list, find qualified Chinese amplifier manufacturers, suppliers, factories, exporters & wholesalers quickly on Made-in-China. Thread Status: Not open for further replies. Tubes generally benefiting from neutralization in HF GG amps are the: 810 811A 572B 304TH 3CX1200A7 and 3CX1200D7, 833 4CX1000A is a High Frequency Metal ceramic rf amplifier power tube designed specifically for industrial applications. 22, H 3K-CX MARKⅡ, HENRY, 3CX1200A7 x1, 4400, π-L, コンソール, 1985, 3K-CXの真空管を3CX1200A7に変更したモデルチェンジ版. com. 26 Jul 2018 3CX1500A7. Building the Pi input board from WD7S. 3CX1500U7 /8962, 3CX1500C7, YU209 Transmitting Tube, YU209/3CX1500A7/8877, Eimac (NOS), 3CX10000B7, 3CX1500A7-EI Transmitting Tube, 3CX1500A7/8877 Eimac, 3CX10000H3-EI NOS Tube, transmitting eimac 3cx10000h3, YU158 Transmitting Tube, YU-158 / 8877, Eimac (NOS), 3CX1200Z7 Tube, Transmitting eimac (yu181), 3CX2500F3 Transmitting Tube, svetlana (8251), YU108 /3CX4500F3 Transmitting Tube, metal Using the amplifier’s frame to bend the aluminum plenum. AMPHF - wtb a spare 3cx1500a7 for my amplifier i am looking for a good with full output 3cx1500a7 tube for may amplifier Listing #1488865 - Submitted on 05/16/20 by Callsign KE8ARM, Modified on 05/17/20 - IP: 047-026-128-067. The cylindrical structure is a heat sink attached to the plate, through which air is blown during operation. High power gain: the 3CX1500A7/8877 features high power gain. 5 lead lengths 58 3. 7 The 3CX10,000A7/8160 is a high-mu power tri-ode and is intended for use as a zero bias Class B amplifier an audio or RF applications, or as a Class C amplifier, CW 3CX15000H3-Vacuum Oscillator tube,Amplifier Triode ITK5-1-HF Vacuum Valve Power Amplifier Tube 3CX2500H3-Heating Machine Ultra-High Frequency Metal Ceramic Electronic Triode The Ameritron AL-1500 Linear Amplifier will deliver 1500 Watts CW output with only 65 Watts drive. (3CX1500A7) high-mu triode in grounded- grid service. the dentron dtr2000l is an hf amplifier from the 1980 era it uses a single 8877 3cx1500a7 tube to produce about a kilowatt of rf output in this page nr7n includes info on operation restoration and mods . 233539807764. 4 Normal Use 6. May 18, 2008 · power vhf amplifier 3cx1500a7 , output power more than 1. Links to Amateur Radio RF Amplifier sites using the following tubes: 3CPX800, 3CX3000F7, 4-400, 4-1000, 4-1000A, 813, THREE 4-400A's photo: W7IUV's FOUR 813;s photo: W6JFR's 3CX1500A7 AMP photo: VE6FI dual 8877 amplifier. 5-30 MHz, Console-HD supply. Svetlana Tubes also Russian made capacitors,vacuum relay,coaxial relay, parts for HAM Radio,linear amplifier builders Linear amplifier Last updated December 14, 2019 Linearity testing of a single-sideband transmitter. 5 inches high. Jun 19, 2018 · RM Italy KL-203 amplifier‎ (3 F) Media in category "RF power amplifiers" 3CX1500A7 Inside. 3 - AM station : ART-13 – BC348 – BC348. Has input and output tuning as well. 1 into a dummy load. 3cx1500a7 8877 Vacuum Tube Ham Radio Broadcast Tube. 6 Volts / 3 Amps (37. 13 aM service aB2 grid driven aF amplifier or modulator 5,000 2. We manufacture the following all Audio Frequency Amplifier or Modulator, Class AB 2 Grid Driven Maximum Ratings (per tube) DC plate voltage 5000 V DC plate current 2. A) with 3CX1500A7 or 3CPX1500A7. Good Day to you and thanks for stopping by. It was previously used in a scientific application in professional equipment. 77. Click & Collect. HELP question on DTR 2000L Dentron AMP. This is a surplus power amplifier from a NOAA installation that was decommissioned. Enlarge Image (TUT) 8877-KT. It's an Autotuning, Full Legal Limit, 3CX1500A7 based Linear Amplifier that delivers key down performance in all modes with NO time limit. In 2009 several upgrades and modifications were made to the amplifier and power supply. When an amplifer is brought on-line, any previously selected amplifier is taken off-line, but remains in a standby state. com Help maintain your amateur radio hobby or profession with the Eimac 3CX1500A7 Ham Radio Tube. AMPLIFIER, HIGH POWER, ONE 3CX-1500/8877 Ameritron’s AL-1500 Amplifier with Eimac® 3CX1500A7 Feel the need for maximum legal HF output power? AMERITRON’s AL-1500 P/N 3CX1500A7 YC-158: For Sale PHILIPS S23/S24 PA Tube MRI Scanner Parts - Listing #1463718 IPA Tube EIMAC 3CX1500A7 YC-158 RF amplifier tubes medical grade validated by MKS to function in a Cathode driven RF linear amplifier, 3CX1500A7 datasheet, 3CX1500A7 circuit, 3CX1500A7 data sheet : CPI, alldatasheet, datasheet, Datasheet search site for Electronic Components and Semiconductors, integrated circuits, diodes, triacs, and other semiconductors. 8 KW output) Eimac 8877 (3CX1500A7) High Power Triode HF RF Amplifier PA CPI Made in USA. 00 to $2000. The amplifier will put out legal limit with as little as 40 watts in in CW mode. solif state mrf150 eb104 linear amplifier hf vhf home made with 4cx800 gu74b gu78b 3cx1200 3cx1200a7 8877 3cx1500 4cx250 4cx15000a gu36b 3CX1500A7 . 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. Using a single 3CX1500A7 (8877) ceramic triode tube. This exclusive feature of Ameritron amplifiers indicates proper amplifier operation better than any other parameter. Loading Unsubscribe from KF8OD? Cancel Unsubscribe. For sale: A beautiful Henry "4K Ultra" Linear Amplifier. 190-195 1500-W-Output Amplifier for 160 Meters (3CX1500A7) (1,450,439 bytes, PDF file) ARRL Handbook 1990, pp. Inside the box: "the guts and the glory" A simple design, resulting in lots of reliable power! The rear connections are simple, and straight forward. I chose the 8877, mainly because of the lower drive and blower requirements (as compared to the GS-35B) and because the 3CX1200A7 is impossible to find at reasonable prices. This amplifier is composed of two main sections: the high-voltage power supply and the RF deck. Menu. rfconcepts. We inspect just prior to shipment, so you can plug them in and be ready to go as Solid full power HF amplifier Time Owned: more than 12 months. (2) to interlock each amplifier, so that only one amplifier can be placed on-line at a time. 1500-W RF output with the drive levels. 90 + C $27. As a linear amplifier, high for any 8877 or 3CX1500A7 tube for repairing an existing amplifier or for building a new one. The Ameritron AL-1500 Linear Amplifier will deliver 1500 Watts CW output with only 65 Watts drive. EIMAC 3CX3000A7 The 3CX15,000 A7 is a high-mu power triode intended for use as a zero bias Class B RF amplifier or DUAL EIMAC 3CX3000A7 Linear Amplifier/ Very nice!! - $5,800. GU-74B 4CX800A tube. Brand: Eimac . ---. 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. 8877's can still be found on Ebay at affordable prices. 0 7,000 --- 10. 1,999 likes · 23 talking about this. 6A,Guoyi Building,Longhe Road,Longgang Dis,Shenzhen,CN,518000 Ph: +86-755-89231323 Fx: +86-755-89231323 Email: echo@suvsystem. Amplifier Tube (FU-728F, 4CX1500B, 4CX1000A). Henry used Greenstone exclusively in the last 7 seven years of their amplifier production and for replacement in all amplifiers. The Ameritron AL-1500 is a solid amplifier. Ignoring carrier, and even using Pep figures (if a constant tone input is used for testing), the output power levels will be exactly the same for AM mode as if the power were measured in RMS/average units. A. FS: Big AMP Dentron DTR 2000L. The Grid Current meter provides a continuous indication of the 3CX1500A7/8877 grid current. Until the internal alectronic time delay circuit operates, the ALPHA 77's T/R change over  We are instrumental in trading a qualitative range of Electronic Products & Components including Eimac 3cx15000a7 New HF Power Amplifier NOS ,Eimac 3CX400A7 / 8874 Ham Radio ,Eimac 3CX1500A7 / 8877 Ham Radio etc. 2 Interlocks The ALPHA 9500 is equipped with a cover interlock switch intended to remove primary power from the amplifier, and a crowbar to short-circuit the high voltage to chassis whenever the cover This is IWISTAO's Blogger,and for IWISTAO HIFI MINIMART, which is about Tube Amplifier,Output Transformer, Power Transformer, Speaker enclosure, and Bluetooth Technology, HIFI Audio and related accessories and the information like as Bluetooh Speaker, HIFI Bluetooth Earphone,HIFI Bluetooth Audio, HIFI Bluetooth Tube Acoustics,, and other populor electronics consumer products,. 4 component parts 57 3. 00: Time Left: 10 D 5 h 10 m 48 s Eimac tube Sockets and Chimneys for 8877 / 3cx1500a7 / 3cpx1500a7 / 3cx800a7 : Amp. Related pages: TOF Amplifier Tuning Aid. F. 6 aB2 grid driven aF amplifier or modulator 8,000 5. Delivery time is around 5 to 10 days. Still searching for "Eimac". Jun 09, 2009 · A very rough rule of thumb is that about half of the input power is probably the output power of an amplifier of typical efficiency, maybe. Contact for other special high and low power tubes and semiconductors. GS35b. bilities for those amateurs with an older five-band HF amplifier. one of oldest radio stations of the world installed before 1937 from telefunken for ert sa greek rario tv ***** the main radio station and the greek radio amateur sv1pc pensioner technician ertsa TUBE EIMAC YC-236 / 8877 / 3Cx1500A7 ( Nos ) - $2,000. I don't make any claims about the accuracy or source of any of this data. Oct 24, 2016 · The latter 2 will produce as much or in some cases more than the 3cx3000 when driven with just the 100w transmitter. General Description: The Eimac 3CW30. Arcing in amplifiers . The tube connects with service by theflexible Title: RCA 811 tube data sheet Created Date: 11/18/1999 11:54:00 PM Here the Eimac 3cx1500A7 (8877) electron tube can be seen-installed in the plate-line assembly. png 565 × 469; 142 KB. 5 KW output on all bands. 8-29. Order by sending an email or call us Page 3 FEATURES proper operation of the amplifier. 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 3CX1500A7 Cathode driven RF linear amplifier VPX3478 RF Power Amplifier, Plate Modulated AF Amplifier, Plated Modulated (2 tubes) 4CPL1000A A 432 MHz High Power Amplifier with a GS35b, DL4MEA: 432 MHz PA Utilizing GS35b triode, VK3NX: 3cx1500a7 6m 6m home made amplifier 2 kw, F5MAG: 300w for 23 cm amplifier W6PQL: 3-500Z Amplifier,Eimac: 100 W Linear Amplifier for HF bands OH2NLT and OH7SV: 450 watt 6m 50MHz Ham Radio VHF Amplifier: 500 WATT PA by SM0VPO: 600w 23cm LDMOS Amplifier The output stage of the amplifier is designed around a 3CX1500A7 (8877) triode, a vacuum tube manufactured by Eimac in San Carlos, CA. EF Johnson 3CX800A7 and similar Compactron style $29. he deserves that I redo it a new beauty! Moisture Links to Amateur Radio RF Amplifier sites using the following tubes: 3CPX800, 3CX3000F7, 4-400, 4-1000, 4-1000A, 813, 8877, 3CX1500, GS-35B, GU-43B and YC-156 8877 3CX1500A7 metal and ceramic Eimac $119. FA: BIG!! 3CX1500A7 / 8877 AMPLIFIER DENTRON DTR-2000L. Plenum. They would also take the 3-500 as an option to give 1 KW output. Jul 06, 2008 · GS-35B, GS35B, Russian Triode, Tube, Socket, Linear, Amp, Amplifier, Project, HF, VHF, UHF, w4zt, ham radio, amateur radio, uyless, uyless king, tony king, atlanta Yes, they are both expensive. 17K. 4 330 5. Amplifier Parts. These "pulls", can have as low as 100 hours of use, or as high as 10,000. Discussion in 'General Technical Questions and Answers' started by KC8FWD, Dec 10, 2008. Specifications  Wizard Built Amps - - Rated 5 based on 3 Reviews "Tony was very helpful and took time to talk to me even when I didn't purchase This is my personal 3CX1500A7 Wizard Built Deluxe desktop unit 120 volt I hope you enjoy the video 73's. Antenna Relay for DTR-2000L Respect the requirements of the 3CX1500A7! I'm pleased overall with the AL-1500, with one exception. I hope you will find something interesting in my assortment of "Ham Gadgets". 8. 5 4,000 --- 3. No way to test! Used in Ham Radio. The output was found to be -60db at 150MHz and around - 57/58db at 100MHz. 30-46 to 30-49 A Legal-Limit Amplifier for 160 through 10 Meters (8877) (3,168,225 bytes, PDF file) The 3CX3000F7 amplifier photographed and described above has been operating flawlessly for three years on 80 and 40 meters. Like the sound of that? Circuit description. Heater Voltage/Current (Watts), 12. £120. 86 87 level from zero to maximum signal with a regular pattern that is 3CX1500A7 3500 — — 8 PREVIOUS:3CX1500A7-RF Power supply High frequency Metal Ceramic Amplifier Triode NEXT:E3069-HF Welding Machine Oscillator Triode Inquiry: Product name * : Eimac 3CW30000H7 Water Cooled Tube Believed to be new. 11 amplitude modulation 73 3. 0 bids. It has been tested to 2kW into a dummy load which only took 40 watts in SSB mode. FOR SALE! OK, here it is. The flexible base leads for grid and filament connection serve to simplify socketing in low-frequency applications. 3cx1500a7 amplifier

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