3cx800a7 tube specs. The test indicated the tube exceeded the spec.

3cx800a7 tube specs It may also be useful as a pulse modulator or Its intermod performance at 1250 watts RF output, with 100 watts of drive to 8875 tubes, as measured by the ARRL (3rd and 5th order distortion products of 35 and 37 dB, respectively) is Tube 3CX800A7 or Röhre 3CX800A7 ID22803, Transmitting Triode, air cooled, SPECIAL TUBEBASE in general and UHF shown. Free Tube Complement: One Eimac 3CX800A7 Ceramic/Metal Triode Power Requirement: 117/200/234 Vac, 50/60 hz, 15/30 amperes . Skip to content Home All Products All Products Automotive Electronic Components Amplifiers: Vacuum Electron Device (VED) / Tube-based; Antennas; Instrumentation Amplifiers; Medical Imaging Products; Microwave Power Sources (VEDs/Tubes) Microwave Transmitter Subsystems; Radomes & Pods; Receiver Protectors, Integrated Microwave Assemblies & Control Components; Services; Structural Composites; Applications; Markets. If you need a interception and high amplification factor combine to make the 3CX800A7 drive power low for a tube of this power capacity. The principal use is as Class AB2, Class B and Class C RF amplifiers. 3955 (Effective 7-1-79) e 1967, 1970, 1975, 1979 by Varian Printed in U. The YC-238 tube is a Eimac 3CX800A7 that has been screened for low grid current. L8-18i-D Transducer. The 3CX800A7 is a compact high-mu power triode intended for use in zero-bias class B amplifiers in audio or radio frequency applications. $8. $1,199. 2 NOS 124-0311-100 E. This tetrode may be operated in CW or pulse modes. The Datasheet Archive. The Svetlana 3CX800A7 may also be operated as a pulse modulator operating at maxi-mum plate voltages to 4500 volts. Weight: 0. Availability: 1 in stock SKU: PMR01786 Categories: MRI, Parts. Part#: 3cx800a7. 5 AL-800H Instruction Manual 1 Features • The AL-800H uses two reliable high gain 3CX800A7 tubes. 11. A Eimac 3CX800A7 TUBES Tested Pulls For Sale When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Please follow the instruction insert for proper Email: carriegong66@163. Check stock and pricing, view product specifications, and order online. Ameritron Replacement Ceramic Tubes include the 3CX800a7 Teflon Tube Chimney and control grid collet New (tube NOT included) Opens in a new window or tab. Mechanical Application Mounting The 3CX6000A7/YU148 must be mounted with its axis vertical. Forum Papers Literature. 000 kg: Serial No. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Skip to main content. grain One tube orientated, silicone steel core transSuggested former. C $33. 25" x 8. You may TUBES - EIMAC 3CX800A7 TRANSMITTING TUBE This tube is slightly used and has been professionally tested by the Richardson Tube Testing facility to verify the condition of the tube. Toroid specs Info. Brand New. comWhatsapp/wechat:+86 13620006372 3CX800A7 Preliminary (true spec??) 3CX800A7 1500W FCC ruling (reduced for FCC??) brief: 800W: Forced air: 350MHz: 3CX800. New Deals Offers Contact Us Help Track Tube, Replacement For Power Amplifier, Eimac 3CX800A7, Each See More Specifications. There's a Penta 3CX800A7 and a Svetlana 3CX800A7 data sheet too. Min. 5", the more compact AL-800 uses a single 3CX800A7 to provide 1250 Watts PEP SSB and 850 Watts CW with 85 Watts typical drive level. It may also be useful as a pulse modulator or regulator. 3CX800A7 HIŒI-MU Find many great new & used options and get the best deals for Penta Laboratories 3CX800A7 VHF Replacement Tube at the best online prices at eBay! Free shipping for many products! Ameritron s compact AL-800 / AL-800H amps are both desktop linears with plenty of muscle! At 14. A single 3CX80th7 operate at 2 kW PEP IVS and I kW CW Input power. >>> >>>I wonder just how much Henry Radio manufactured high power tube amplifiers for Amateur Radio, business, commercial, industrial and scientific use for nearly 50 years, 3CX800A7: 144-148 MHz: Desk-1 piece: 2002A-220: 1990 to 2004: 3CX800A7: 220-225 MHz: Desk-1 piece: 2004A: 1982 to 2005: 8874 x 2: 430-440 MHz: Desk-1 piece: 2006: 1972-1981: 8874 x 2: 50-54 MHz: Order Penta Laboratories 3CPX800A7 (5099-3CPX800A7-ND) at DigiKey. Outright Exchange. Also using a single 3CX800/A7 in the Ameritron AL-800, for about Not finding what you're looking for? Save 3cx800a7 to get e-mail alerts and updates on your eBay Feed. ST8 complete Parts systems with No Cables. Skip to content Home All Products All Products Automotive Electronic Components Anyone know if there is a Russian military surplus direct equivalent for this tube and if so what is it called. You may request a photo. Th Eimac 3CX800A7 tube will be removed for shipping. Tube specs & Equivs. 344 2. (Revised 10-1-75) 1967, 1970, 1975 by Varian EIMAC division of varian / 301 industrial way / san car los / california 94070 . The Warranty period for this tube is Ninety Days from the date of purchase, for the original customer only. Other products related to Intera 1. plification factor combine to make the 3CX800A7 drive power low for a tube of this power capacity. Metering function includes plate voltage, plate current, and grid current. LBN MEDICAL. Blower floats on foam for quiet cooling. comWhatsapp/wechat:+86 13620006372 3CX800A7 air cooled Triode Oxide Air 2. Pre-Owned. I gather Anan reduced to 10 because low output on 6 meters. Tube specs are not part of FCC type acceptance. • A time-delay circuit provides a 180 second warm-up to eliminate potential damage to It features low drive power for a tube of this power capacity thanks to its low grid interception and high amplification factor. protects the tube in the event of an internal tube arc. Plate current and grid current are right in spec. Improper or abusive operation of this amplifier can damage the tube or other components in this amplifier. Vacuum Tube Failures [ Home ] [ Up ] Related pages: Sales link CTR Engineering Inc. Plate pi-L network has silver-plated heavy tubing main coil, 80-160M coil on grooved ceramic form, and toroid L coil for low cross-coupling. Reviews. 5760MHZ CMOS SMD new and original 7C-40. Never owned one Even if they do die, a couple of 3CX800A7's and this amp will live another 30 or 40 years and by that time, I won't care at all. General Characteristics Electrical Two 3CX800a7 Teflon Tube Chimneys Brand New (tube NOT included) Opens in a new window or tab. Pre-Owned · Eimac. 3CX800a7 Teflon Tube Chimney and control grid collet New (tube NOT included) Opens in a new window or tab. 0: PL519 (4) 64: High power tube Per basic amplifier theory no tube will be as efficient in class A --the theoretical maximum you can get in class A with a pure sine wave input and a plate choke or transformer is 50%, in class B this goes up to something like 63%. com <= [AMPS] Early 3CX800A7 Specs, Rich Measures; Previous by Date: [AMPS] Solid State RF generator boards. 3cx800a7 is a high-mu power triode RF vacuum tube that's suitable for use as an audio amplifier or cathode-driven Class AB2 or Class B RF linear amplifier. Forum / Media. Maximum ratings, Pulse Modulator or Switch Tube Service DC plate voltage 4500 V Maximum-signal DC plate current (Duty = 0. The anode is iorced—air cooled and rated for 800 watts of disslpetlon eapebl RADIO FREQUEhCY LINEAR CATOE Class ABSOLUTE MAXIMW . Time Owned: 6 to 12 months. This grid ring is an HF Linear Amplifiers with EimacTM 3CX800A7 Choose the single 3CX800A7 Amp for 1250 Watts PEP or . Ameritron HF Power Amplifiers AL-800 AME-AL-800. net (Rich Measures) Date: Tue, 21 Oct 97 10:38:54 -0800 IMO, this is unsliced bologna. he SvetlanaTM 3CX800A7 is a high performance ceramic/metal high-mu power triode designed for use in communications and industrial service. They were the very last of the 87A production. pr) 240 vct 60 hz 1 ph . LBN Medical is here to serve. The part is professionally packed and ready for quick delivery to minimize the downtime of your equipment. This device is also recommended for FM broadcast se 3cx800a7 Electron Power Tube , Find Complete Details about 3cx800a7 Electron Power Tube,3cx800a7,Power Tube 3cx800a7,Electron Tube 3cx800a7 from Other Electrical Equipment Supplier or Manufacturer-Shenzhen H-Tec Network Technology Co. The Warranty period for this tube is Ninety Days from the date of Amplifier, Two Eimac® 3CX800A7 Tubes, 1,500 W Output PEP, 160-15 meters, 240 Vac, 14 A Max. It is a neat small package for a near legal limit amp. Millimeters Inches Min. The principal use is as Class AB2, Class B The 3CX800A7 is a compact high-mu power triode intended for use in zero bias class B amplifiers in audio or radio frequency applications. They came with a pair of legendary EIMAC The 8874/3CX400A7 is a Triode Tube can be used in broadcast and is desired for their simple, yet highly stable design. from United States. 7 Cooling Data Anode Dissipation Air Flow Pressure Drop Oscillation electron tube 3cx800a7 triode CX800A7 toshiba surface mount 27. 3CX800A7 Performance in an Alpha 89 << < (2/2) W3RSW: Oh and meant to mention Pete, those are really Anan10 watts. Used. Well I spoke with a representative at Cpi Eimac and the gentleman told me that they are still producing the 3cx800a7 tube. or Best Offer Eimac specs say 60 ma per tube absolute 89 and 86 were designed to use the YC-238 tube which > >> is >> an Eimac 3CX800A7 that has been screened for low grid current. Order: 1 whatsapp:+86 184 7071 3823email:carryzeng@aliyun. Please follow requirements to limit tube temperatures to 225°C. Add to Quote Product successfully added to the Quote List. 00. The only shortcoming is no output metering, so you will need an in-line power meter. 005) 8 A Plate Dissipation 800 W Grid Dissipation 4. ). Please follow the instruction insert for proper After replacing the original drifted HV meter resistors, and the original electrolytics (that appeared to still be OK), I am extremely pleased with the amp. I contacted Dick, N4UQ, in Dec of 2010, and he performed the upgrade to 2 3cx800a7 tubes, installed a grid protection circuit, low drive mod. IPA Tube- 3CX80A7 - 3cx800a7; IPA Tube- 3CX80A7 - 3cx800a7. Condition: Used: An item that has been used Amplifier, One Eimac® 3CX800A7 Tube, 1,250 W Output PEP, 160-15 meters, 120 Vac, 17 A Max. $239. The Teflon chimney only fits 3CX800A7 size tube anodes. Looking for a different part? Search for: How much could a bad imaging part cost you? Tube Specs: Characteristics Plate Dissipation(Max. A single tube will delivery 750 watts PEP and 750 watts The company—perhaps best known for developing the beam-powered Pentode vacuum tube—balances state-of-the-art manufacturing operations and quality control processes with a 144 MHz mono-band amplifier based on a single Eimac 3CX800A7 ceramic metal triode, capable of 1000W PEP SSB. Only 20 of these Limited Edition 87A OMEGA. >>> >>>I wonder just how much Henry Radio manufactured high power tube amplifiers for Amateur Radio, business, commercial, industrial and scientific use for nearly 50 years, 3CX800A7: 144-148 MHz: Desk-1 piece: 2002A-220: 1990 to 2004: 3CX800A7: 220-225 MHz: Desk-1 piece: 2004A: 1982 to 2005: 8874 x 2: 430-440 MHz: Desk-1 piece: 2006: 1972-1981: 8874 x 2: 50-54 MHz: The AL-800 uses a single 3CX800A7 tube in a class AB2 grounded grid circuit. 5 x14. Still the Commander out does! The last 3 years I produces legal limit output power no muss, no fuss. As a linear amplifier, high power he SvetlanaTM 3CX800A7 is a high performance ceramic/metal high-mu power triode designed for use in communications and industrial service. 00 or less grab it. Alpha Max, enhanced front panel, external cooling fan Find many great new & used options and get the best deals for Eimac 3CX3000A7 3000W High Power Triode Electron Tube at the best online prices at eBay! Free shipping for many products! Skip to main item 8 EIMAC 3CX800A7 High MU Power Triode Test Completed EIMAC 3CX800A7 High MU Power Triode Test Completed. s1) 0-1800-2800 vac @ 1. tion is satisfactory the tube can again be stored with great as-surance of being a known-good spare. 1 20~+70. Add to cart. Page: 1 Pages. 3CX800A7 3CX800A7 RJ1A; Number of Transistors; Semiconductors present. SKU: 3CX800A7-EI. $14. Asingle 3CX800A7 will deliver 750 watts key-down CW output power and dissipate 800 watts. com Abstract: 3cpx800 3CX800A7 3CPX800A7 SK-1906 tube socket SK-1900 tube 3cpx800a7 3CX800A7 Tube 3CX8 high power Triode 3cx800a7 Text: TECHNICAL DATA FM BROADCAST POWER TRIODE 3CPX800A7 The Eimac 3CPX800A7 is a ceramic/metal power triode available for use as a radio-frequency amplifier in FM broadcast applications. 47. In a single-ended circuit the loaded “Q” should be at least 5. >>>I have the 8/89 specs which references 4/87 but I believe there is an >>>earlier version which was quickly pulled back due to FCC >>intervention. At least for now anyways. 2000MHZ CMOS IC Crystal 7W-24. 1pcs new 4CX10000D electronic tube vacuum emission tube. 90 shipping. I have been using the original Seems that a lot of rumors are floating around about Eimac and the availability of the 3cx800a7 tube. 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. or Best Offer RF Tube 3CX800A7. The ideal tube diameter for fit is 2. Unpacking Instructions Remove the 3CX800A7 tube from its shipping carton. The rebuilt amplier uses a single Eimac 3CX800A7 triode, and features vacuum antenna relays, new metering and control circuits, electronic bias switching, and new forward/reverse power measuring. 2 0. Smooth easily logged tuning with the vernier caps, low input VSWR, low grid current way below tube spec. The E IMAC 3CX800A7 is a cmpact power tr lode intended for use as a cathode-driven Class AB2 or Class B ampl i fier in r f appl i- cat ions including the VHF band. 5", the more compact AL-800 uses a single 3CX800A7 to provide 1250 Watts A low-drive, grounded-grid 3CX800A7 amplifier. Ameritron Replacement Ceramic Tubes 383-0800-A7-2 AME-3830800A72. I sell tubes, and I have sold many of these Svetlana Same spec. The 3CPX800A7 is a compact high-mu power triode intended for use in zero bias Class B amplifiers in pulsed radio frequency applications. Have run a Drake L-4B for 20 years, I found a remarkable deal on a 76A 2 holer that was all original and running up to specs. Home - Techniek - Electronica - Radiotechniek - Radio amateur bladen - QST - A low-drive, grounded-grid 3CX800A7 fication factor combine to make the 3CX800A7 drive power low for a tube of this power capacity. Unpacking instructions Carefully remove the Commander HF 1250 from its shipping carton. Product Specs. Cosmetic condition will vary. 8 3CX800A7. select the dual 3CX800A7 Amp for 1500 Watts PEP PLUS! ALC control: Front panel adjustable, true ALC control. for a new tube and should perform as a new tube in any application designed for this tube. Table 1 - The tube(s) may put out "full power", but if the Ig is anywhere near 60 ma per tube to do it, don't buy them. . Very trouble free tube Time Owned: more than 12 months. Hefty power supply: 32 lb. A single 3CX800A7 will deliver 750 watts PEP and 750 watts key Low grid interception and high amplification factor combine to make the 3CX800A7 drive power low for a tube of this power capacity. w8ji (360) 100%. Smooth easily logged tuning with the SKU: 3CX800A7-EI. Museums Market Collections Devices Collections Components New Prices Links. 0: GS35B EIMAC 3CX800A7 for sale ⏩ Best deals to buy EIMAC 3CX800A7 on Bimedis ️ New, used and refurbished models EIMAC 3CX800A7 from trusted sellers ️ Contact us for more information ️ 3CX3000A7 Datasheet (PDF) - Communications & Power Industries, Inc. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network. 633 B 63. Send here your request and we will reply as soon as possible. $375. or Best Offer. 000M-MCGNNM3 Surface Mount TG2520SMN 25. Sells new for over $1500/pr at RF tube dealers. Quality tested spare part of PHILIPS MRI P/N: 452215011442 IPA tube 3CX800A7. Plate Dissipation (Max. com. Any normal* tube can be used in any class of amplifier as long as you don't exceed the various design limits of Philips S23 Tube IPA AXT-X002-SP, 3CX800A7, Part# 4522-150-11442 TUBE IPA AXT-X002-SP 3CX800A7 S23 4522-150-11442. Ameritron s compact AL-800 / AL-800H amps are both desktop linears with plenty of muscle! At 14. 000 kg: Reviews There are no reviews yet. These tubes were purchased for a Alpha 87A as spares and have never been used. FACT TO REMEMBER IS THE COOL AIR FOR TUBE COOLING IS DRAWN IN FROM THE BOTTOM OF THE AMP!!!! NEVER PLACE THE LK-800A ON CARPETING OR ANY RESTRICTIVE SURFACE !!f!fritttt! Power Tube Testing Service for Low Power Eimac Electron Tubes 8877 8874 4CX250B. 80. <br><br>The silver-plated finger stock collet fits many tube types. For Sale: MKS 3CX800A7 triode PA tubes, Pair, tested good with full output. With a history of producing high quality products, we can help you with your triode. 0: PL519 (4) 64: High power tube amplifier for 144MHz using GS35b [From German]. 1997 date code works as well as the [In Spanish] Not sure I get this, but I wonder what a tube version would look like. >- The FCC currently could not care less what hams run Provided that >we >do Not Cause Interference. 12 + £15. We normally take a video of our amps in action and include these in the listing, but With a history of producing high quality products, we can help you with your triode. Two 3CX800A7 - 1500 watts plus. 99. Part # 3CX3000A7: Download 3CX3000A7 Download: File Size 89. Philips S23 Tube IPA AXT-X002-SP, 3CX800A7, Part# 4522-150-11442 TUBE IPA AXT-X002-SP 3CX800A7 S23 4522-150-11442. A single 3CX800A7 will del i ver 750 watts PEP and 750 watts key-down CW output power to After replacing the original drifted HV meter resistors, and the original electrolytics (that appeared to still be OK), I am extremely pleased with the amp. 91. Carefully unwrap the tube and inspect it for visible damage. 90. Thomson CSF 3CX800A7 Compact High-Mu Power Triode - 1 Year Warranty. or Best Offer +$4. 0T, Intera 1. 3cx800a7 cpi | 4 c W50,000J The values listed above represent specified limits for the product and are subject to change. I asked N4UQ to modernize it with low drive, WARC bands, 3cx800 tubes. Product is in So the tube in it was very new and stout and in great There's a Penta 3CX800A7 and a Svetlana 3CX800A7 data sheet too. I tested it in my Command Technologies HF-1250 amplifier and it shows full output. 0 [-] 63: 800 Watt HF output Poweramplifier: No schematic, but one should be floating around. Opens in a new window or tab. The base of the tube may be up Ameritron s compact AL-800 / AL-800H amps are both desktop linears with plenty of muscle! At 14. 0 W DC grid current (average) 60 mA 3CPX800A7 High-Mu Power Triode 5/97 Dimensional Data Dim. Tubes of this kind, uses mostly a pressurized chamber The GU-74B is a decent tube at its original Russian specs but the 4CX800A version is a complete fraud. Philips 4522-090-05852 - Filterbox. Bob, w5pvr@I2k. It is designed for use in communications and industrial applications as a Class AB2, B, or C RF amplifier or pulse modulator. or Best Offer [AMPS] Early 3CX800A7 Specs: From: measures@vc. Overview. com www. AL RF Amp IPA Tube 3CX800A7; Product Description. 62 shipping. New 3CX800A7 compact power transistor. Semiconductors; Main principle; Radio Frequency Amplification only; Wave bands; Kenwood TL 922A and a alpha 76a with 2 tubes of the same 3CX800A7 by Mr Byrd. The small board or maybe relay on the side, and the 3CPX800A7 tube is physically taller taller than the 3CX800A7 (original OEM tube). The QST review of this amp showed it to have one of the best two-tone IMD specs of any of the amps they tested. $75. 88 2. Shop by CV4032 UK It features low drive power for a tube of this power capacity thanks to its low grid interception and high amplification factor. Input Circuit A resonant tank circuit is recommended for grounded-grid opera-tion. Description: Cathode Driven RF Linear Amplifier Pulse Modulator or Regulator. C $47. 02 8% off. Useful to 450 MHz, the 3CX800A7 delivers 750 watts PEP and 750 With a history of producing high quality products, we can help you with your triode. 119 63. It may also be useful as a pulse modulator or Low grid interception and high amplifi cation factor combine to make the 3CX800A7 drive power low for a tube of this power capacity. 75 out of 5 stars. 4. , philip de cadenet: Tube, GU74B, Equivalent to 4CX800A, Ceramic, Power Tetrodes, 800 Watts Max Plate Dissipation, Each See More Specifications. w8ji (369) 100%. Power setup: 120/240VAC (Currently set for 120) 3CX3000A7 Datasheet (PDF) - Communications & Power Industries, Inc. It is a direct replacement for the Eimac. Radio Basics Cohiradia FAQ. 5 inches inside and has a very thick wall. 2% positive; Seller's other items Seller's other items; Contact seller; US $2,372. 5T F2000 Magnet. Warranty Terms: 90-Day Warranty; Quality Assurance Test: Passed; Condition: Refurbished or Used & Tested; Get Quote. Title: 3CX3000A7 3CX3000F7 8162 interception and high amplification factor combine to make the 3CX800A7 drive power low for a tube of this power capacity. K5SVC sells them after buying them in larger quantities direct from China but he has had them on back order for several months and doesn't know when he will get any. [In Spanish] Not sure I get this, but I wonder what a tube version would look like. New (Other) $75. A. F. SETEC electron tube rf power supply metal ceramic 3cx800a7 CX800A7 foam packing 350mhz. , Ltd. Matchlette used to be made in the USA but was bought out by a Chinese. It's widely used in various RF applications, including amateur radio, commercial broadcasting, and military communications. Printed in U. Modes: USB, LSB, RTTY, FM, CW. The pressure drop figures are approximate and are for the mounting plate, socket, tube and chimney combination as would be the case with 3CX800A7 Tube broadcast/industrial -mfg EIMAC Pulse Rated Transmitting Tube The 3CX800A7 is a compact high-mu power triode intended for use in zero bias Class B amplifiers in pulsed Order Penta Laboratories 3CX800A7 (5099-3CX800A7-ND) at DigiKey. 3CX800A7 Tube #tube #triode #spareparts #highfrequency #machine #3CX800A7 Whatsapp:+86 184 7071 3823 email:carryzeng@aliyun. We manufacture the following all models. Building a tube amp! Its always a good idea to select a tube that is twice or more the power out you plan to use and run it at 50% or lower its capacity. $49. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Press Copyright Contact us Creators Advertise The photo of the tube used in this thread is of a Chinese 8877 sold by Penta who now own the logo. There's an Eimac 3CX800A7 data sheet too. or Best Offer +$17. w8ji (282) 100%. net> writes: >>>Does anyone have the first release Eimac sheet? The one that shows >>the >>>HV above 2250V max and 600 ma Ip. , installed the WARC band upgrade, checked to make sure all factory updates were installed Many years ago I started looking for a two-tube Alpha 77SX that I could purchase without breaking the bank. This is a brand-new assembly from a Command amplifier. We must NEVER operate the 3CX1500A7/ 8877, 3CX800A7, or other oxide-cathode tubes at reduced heater 3CX800A7 tubes. TEMPORAIRLY OUT OF STOCK $47 each shipped USA only. Was: C $2,902. Not Available. FU-824FA Vacuum Tube High Frequency Machine Oscillation Transmitter FU824FA. 1pc 3CX800A7 tube. 3 Kbytes: Page 1 Pages : Manufacturer I did want to try one last brand of tube amplifier I never had and that brand is Alpha. A brilliant design that operates so effortlessly with modern rigs. New Listing USED EIMAC 8660 / 4CX1500B CERAMIC RF OUTPUT TUBE FOR COLLINS & ALPHA. 20 shipping. A single 3CX800A7 will deliver 750 watts PEP and 750 watts keydown CW output to 350 MHz. Worldwide free shipping Don't miss out on this opportunity to upgrade your View results and find 3cx800a7 datasheets and circuit and application notes in pdf format. KM1H Rating: 2019-07-04-Eimac doesnt want to deal with ham power levels any longer Find many great new & used options and get the best deals for EIMAC 3CX800A7 Linear amplifier tube at the best online prices at eBay! Free shipping for many products! About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright 1pc for new RCA JAN 810 tube. I also Each Penta Labs vacuum tube is burned in for a minimum of 48 hours dissipating full power with filament, 3CX800A7 Ceramic Pair Matched Vacuum Tubes, Compact Power Triode, 750W Penta Laboratories / Machlett Microwave 3CX800A7 3CX800A7 Ceramic Vacuum Tube, Compact Power Triode, 750W PEP Output to 350 MHz. 185 sold. An alodized aluminum cover plate for the 3CX800A7 tube socket was fabricated from a piece of the old front panel. Was: C $1,789. Manufacturer: Philips. Ameritron HF Power Amplifiers AL-800H AME-AL-800H. Damage caused by improper or abusive operation is not covered under the warranty policy. We're here to help! We will not declare a lower value on the item's documentation. EF Johnson 3CX800A7 and similar 3CX800A7 dr 've requirements tow for a tube of this power capacity. 4CX1000A/8168 air cooled Tetrode Oxide Air 3. 95. 12mhz 0. . Out Of Stock - Delivery Will Be Delayed! HRO The EIMAC 3CX800A7 is a compact ceramic/metal, air-cooled, high-mu power triode intended for use as a Low grid interception and high am - plification factor combine to make the Get the best deals for 3cx800a7 tube at eBay. Title: 3CX10000A7 Author: Eimac Subject: JA-FP-2003-12-26 Created Date: 12/26/2003 12:35:04 PM Whatsapp:+86 184 7071 3823email:carryzeng@aliyun. 3cx800a7 electron tube This tube can also be used as a plate-modulated Class C RF amplifier for pulsed applications, including HF radio transmitters and modulators. The original HPSDR Apollo amp was spec'd at up to 20 watts, literally copied for production. Download. Lots of links to pictures and data: 800 Watts: 60. Johnson Sockets 3CX400A7, 3CX800A7, RCA 8072, 8121. Abstract: 3cpx800 3CX800A7 3CPX800A7 SK-1906 tube socket SK-1900 tube 3cpx800a7 3CX800A7 Tube 3CX8 high power Triode 3cx800a7 Text: TECHNICAL DATA FM BROADCAST POWER TRIODE 3CPX800A7 The Eimac 3CPX800A7 is a ceramic/metal power triode available for use as a radio-frequency amplifier in FM broadcast applications. 27 8% off. 5 inches OD. Typically robust Alpha RF power Section (A) uses two Eimac 3CX800A7 triodes in grounded-grid. This auction is for a Teflon chimney and grid collet. Philips 43031-07 - Remote Magnet Monitor. It is a 600W dissipation tube and loses emission rapidly when run beyond specs. 576MBD-T XTAL Oscillator XO 24. Mullard Vintage Tubes & Tube Sockets, 12Au7 Mullard Vintage Tubes & Tubes Sockets, Tungsram Vintage Tubes & RF Parts - Tube list and specs. Capacitance values are for a cold tube as measured in a special shielded fixture, in accordance with Electronic ln- dustries Association Standard RS-1 91 . £1,032. 000MBE-T XTAL OSC XO 40. The chimney is just over 2. com Eimac specs say 60 ma per tube absolute 89 and 86 were designed to use the YC-238 tube which > >> is >> an Eimac 3CX800A7 that has been screened for low grid current. net ===== Bob; Svetlana offers their own 3cx800a7. 94. $850. Purchase Option. 00 postage. RF Amp IPA Tube 3CX800A7. Additional information Reviews (0) Additional information. 3CX800A7 Electron Tube. Order Now . The test indicated the tube exceeded the spec. Two 3CX800a7 Teflon Tube Chimneys Brand New (tube NOT included) Opens in a new window or tab. Availability: 1 in stock SKU: PMR01496. 70 shipping. $892. Please enter a Eimac 3cx800a7. Search Best Tube Pics New Tube Pics. The anode is forced-air cooled for 800 watts of dissipation. Ind*pro (4980) 99. This technique increases linearity and output power. 68 shipping. Part Number: DXE-GU74B. 3CX800A7 is a metal ceramic RF power supply triode tube designed specifically for industrial applications. 000M-MCGNNM3 TCXO Electronic Components Crystals 831056239 Surface Mount Oscillators XTAL OSC XO 19. This tube is useful to 500 MHz. Just mul- tiply these power numbers times three. Get the best deals on 8950 Tube Indiana Vintage Tubes & Tubes Sockets when you shop the largest online selection at eBay. Electronic Components TG2520SMN 25. The Warranty period for this tube is Thirty Days from the date of purchase, for the original customer only. This New Old Stock (NOS) tube has been recently tested and meets all technical specifications. Eimac 100TH Ham Radio Transmitter Tube. See data sheet for more specs. DX Engineering GU74B/4CX800A Ceramic Power Tetrodes DXE-GU74B DXE-GU74B. Purchase NEW Pair of Eimac 3CX800A7 - YC-238 tubes in Holland, Texas, United States, for US $320. svetlana. FU-3031F 3CX3000A7/FU-612 613F 3CX2500F3/H3 high-frequency electronic tube. 0000MHZ The 3CX800A7 is a compact high-mu power triode intended for use in zero bias class B amplifiers in audio or radio frequency applications. Max. Need a pair for an Alpha 76 2 holer, and where to buy, thanks. See Table 1. advanced radio devices 230a plate transformer (2 ea 3cx800a7's) core) a-274/ c-core style #) 10 hipersil c-core . ever manufactured. It might work best to simply offer an "incentive" to a production line worker to appropriate a few each week ;>) I just got back from a month in Saint Petersburg and I'm returning in mid October to my favorite city in Awesome tube amplifier and still trucking along. The base of the tube may be up With all the talk about the high price and rarity of this tube, I purchased a used one recently for only $500 (on ebay no less!). 00 shipping. > Replacing >> one or both of the tubes in your amplifier with a regular 3CX800 or > with a >> 3CPX800 could lead to unintended problems and consequences which again > we Buy 8877/3CX1500A7 - RICHARDSON ELECTRONICS - Electron Tube. After getting this amp, I've decided to change my mind about going MOSFET. The triode has lower power gain than tetrodes, but can achieve Eimac YC-238 (3CX800A7) Power Tube; Eimac YC-238 (3CX800A7) Power Tube (No reviews yet) Write a Review Product Specs. And the AL-800 will even run from a 20-Amp 120 VAC line source if desired. Dxers quickly realised that each tube was actually capable of 1 kW and it ran them to over 2000 watts output. PMR01493. Email: carriegong66@163. Still going strong. A single 3CX800A7 will deliver 750 watts PEP and 750 watts key-down CW output The 3CX800A7 is a compact power triode intended for use as a cathode-driven Class AB2 or Class B amplifier in rf applications including the VHF band. Get the best deals on 8950 Tube Indiana Vintage Tubes & Tubes The VHF/UHF Discovery units were launched in 1993/4 and were initially fitted with a 3CX800A7 with versions available for 2m, 6m and limited numbers of the 70cm version. NOTE: Image is for reference only. The best solution I have found is to use Matchlette 3CX800A7's from China for $400 each. Eimac 3cx800a7. (I)S157WR. s2) 5 vac @ 20a ccs . Availability: 1 in stock SKU: PMR01493. , Each See More Specifications. Useful to 450 MHz, the 3CX800A7 delivers 750 Order Penta Laboratories 3CX800A7 (5099-3CX800A7-ND) at DigiKey. SKU: 3CX800A7-D-P. as 76PA, but uses a 2. Ameritron Replacement Ceramic Tubes include the 3CX800A7 for 3CX800a7 Teflon Tube Chimney and control grid collet New (tube NOT included) Opens in a new window or tab. $2,013. 5 0. Rob's web. File Size: 87Kbytes. 30 day return if undamaged. Five Description: IPA Tube 3CX800A7, 4522-150-11441 Equipment Model: Intera 1. (Credits K9MK) Operation and Specs Frequency Range: 144 to 148 MHz. C2107418. 4 KVA Hypersil Extra-Duty transformer. 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 Mauriac 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 low cost 13 likes, 1 comments - mhparts on October 30, 2024: "The EIMAC 3CX800A7 is a high-power triode vacuum tube, renowned for its exceptional performance and reliability. Free shipping. 3CX800A7 Ceramic Vacuum Tube, Compact Power Triode, 750W PEP Output to 350 MHz, Each See More Specifications The document provides technical specifications for the Svetlana 3CX800A7 high-mu power triode. A 59. This is an awesome 6 meter amplifier and is nicely built tube amplifier with the now rare 3CX800a7 tube and the more harder to find the 3CPX800a7 pulse tube. maximum tube life. If you tune it right, it will last you a lot longer. This tube has been recently tested and meets all technical specifications. This keeps it linear and very clean. It would appear the preliminary specs (March 1983) were revised 2 months later to keep within the 1500W amateur limit. These tubes are fully tested. Tube life is outstanding, just pay attention to grid current. I have used 2 3CX800/A7 tubes in a Command Technologies Commander HF-2500 for six years now. 800 Watts: 30. 250 volt plugWill ship same day purchased in a professionally packaged box. Capacitance values are for a cold tube as measured in a special shielded fixture, in accordance with Electronic Industries Associ-ation Standard RS-191. The part is tested on working PHILIPS MRI system and come with 90 days warranty. Be the first to review “RF Tube 3CX800A7” Cancel reply. A healthy set of 800's in a properly working amp should put out 1500 watts with no Penta Laboratories / Machlett Microwave 3CX800A7 3CX800A7 Ceramic Vacuum Tube, Compact Power Triode, 750W PEP Output to 350 MHz. Linearity and power gain are excellent due to the beam forming geometry of the special grid and cathode design. ) PMR01786. have long controlled warm-up times before any cathode current is drawn. $35. Free shipping on many items | Browse your favorite brands | affordable prices. That is probably The tube was removed and washed to remove fuzz and dust and I also cleaned the connectors to all of the printed circuit boards. EIMAC TUBE 3CX800A7 /USED SN: HLSD-0039 DC: 1650. Created Date: 1/18/2010 9:39:40 PM item 4 1pc 3CX800A7 tube #A1 1pc 3CX800A7 tube #A1. Order: 1 piece. 800 Watts: 15. HV arcing peak voltage when mistuned. Time and money will tell. S. 50. Penta: 3CX800A7 : 800W he SvetlanaTM 3CX800A7 is a high performance ceramic/metal high-mu power triode designed for use in communications and industrial service. Listed: 3 years ago: Condition: Excellent (Used) Excellent items are almost entirely free from blemishes and other visual defects and have been played or used with the utmost care. This tube uses a coaxial design and metal-ceramic technology. w8ji (325) 100%. 0 out of 5 ( There are no reviews yet. 01. comWhatsapp/wechat:+86 13620006372 If a manual is not included in this sale, you should download one. 7T85RB FU-8802F 5kw 5000W 5KW high RF Tube 3CX800A7. 44 66. A single 3CX800A7 will deliver 750 watts PEP and 750 watts key-down CW output power to 350 MHz. Have you ever purchased a part from us before? Yes No. varian, EIMAC division/301 industrial way/san carlos/california 94070 . $500. This is in line with prices of a pair of good used 3CX800's and a good 3CX1500. Modality: MRI. com Youtube: Commander VHF-1200 6-Meter Ham Radio Amplifier w/ Box + NEW Eimac 3CX800A7 Tube. - The FCC currently could not care less what hams run Taylor 572B triode transmitting tube FU-728F TETRODE TUBE EIMAC 3CX800A7 Eimac 3CX1200A7 4CX800A / GU74B ceramic tetrode RF Parts 3-500ZG RF Parts 3-500ZG-MP RCA 811 Sovtek / Ryazan 811A Machlett 3-500Z CHINESE 572B TUBES Eimac 3CX3000A7 DX Engineering 572B Cetron 572B Svetlana 811A TAYLOR 811 Russian Ryazan G811/811A Tube >specs are not part of FCC type acceptance. pr) 120/240 vac 60 hz 1 ph . Radio tubes are valves. Tube compartment with a pair of Eimac 3CX800A7 tubes in grounded grid. alpha a77s power transformer inboard transformer for 2 tube alpha 77 . It is better than the specs and produces a real clean signal. 00-$950. 3CX800A7 Ceramic Pair Matched Vacuum Tubes, Compact Power Triode, 750W PEP Output to 350 MHz, Set of 2 See More Specifications The tube has low drive-power requirements; a nominal drive power of only 20 W (depending on the frequency of operation) will easily produce 750 W of RF output. Abstract: 3cx800a7 3CX800A7 Tube tube socket SK-1900 3CX-800A7 Eimac SK-1906 5 volts audio amplifier high power 500 watts audio amplifier "Power Triode" Did a conversion to a new pair of Eimac 3cx800a7's and replaced the band switch and now the amp just purrs along at legal limit. For operation in pulse mode, the parameters depend on each equipment characteristics. WA8NSS Rating: 2017-07-22; Superb tabletop amp! Time Owned: more than 12 months. Manufacturer: Communications & Power Industries, Inc. 0 401-500 5. Philips 4522-131-45832 - RF Power Amplifier S24-42. £15. COOLING - The maximum temperature limit for external tube surfaces and the anode 8874/3CX400A7, 3CX800A7 and 3CPX800A7, the cooling air must be applied axially (vertically) through the vertical anode cooling fins. w8ji (339) 100%. 800 Watts Screen Dissipation(Max. Gugvej 70;. High-quality power supply and RF components combine with an accurate peak-detecting directional coupler, front panel adjustable true ALC circuit, electronic grid current and thermal overload protection, and automatic bias switching to make this the best featured and most reliable single 3CX800A7 Order Penta Laboratories 3CPX800A7 (5099-3CPX800A7-ND) at DigiKey. New (Other) · Eimac. Buy It Now On Tue, 21 Oct 97 10:38:54 -0800 Rich Measures <measures@vc. Reviews There are no reviews yet. com ELECTRON DEVICES Svetlana Heater/Cathode Operation Frequency MHz Heater Voltage <300 6. 8877 3CX1500A7 failures. 3 Kbytes: Page 1 Pages : Manufacturer 3cx800a7 amp 10 - 160m. Contact us at MPPMarketing@cpii. Buy It Now +$32. The people in Colorado even sold them 1250 W Output Linear Amplifier w/ Single 3CX800A7 Tube on 110V for US. item 5 QUICK BRAKE QB O3A Adapter, brake lines OE REPLACEMENT XX5132 7A7E3C QUICK BRAKE QB O3A Adapter, brake lines OE REPLACEMENT XX5132 7A7E3C. A single 3CX800A7 will deliver 750 watts PEP and 750 Part #: 3CX800A7. I've spec'd a tube (3CX300B) for an audio power amplifier to be built by a hi-end hi-fi manufacturer and no one knows when and if small production qualities will be available. Out Of Stock - Delivery Will Be Delayed! HRO The E IMAC 3CX800A7 is a cmpact power tr lode intended for use as a cathode-driven Class AB2 or Class B ampl i fication factor combine to make the 3CX800A7 drive power low for a tube For anyone still using a 3CX800A7 tube in an Alpha 87a or other amp The finals in my older Alpha 87a amp were going soft and got to the point where I could only get 1000 I have an Eimac 3cx800a7 tube for sale. KI6R Rating: 2023-11-30; Poor Quality Components Thus they cannot retain pressure on the tube pins over time. Tested used mil spec 4CX250R 7580W Tube, mostly Amperex. ** If you want to skip to the actual operation quickly, go to 10:06 **This is the Ten Tec Titan linear amplifier model 425, connected to a 2kW dummy load. The tubes are used on the Alpha 87A, 89 and 86 amplifiers. It may also be used as a pulse modulator or regulator. The 3CX800A7 is useful to 600 MHz. EIMAC JAN 327A ATOMIC AGE TUBE 327A TRANSMITTING GREEN U GLASS. 10. These are the tubes used in the Alpha 87/89, Ten Tec Titan, QRO, Ameritron AL-800H, and other amplifiers. A single 3CPX800A7 will deliver 6 kW peak output in drive-pulsed RF service. core) a-0525/ c-core style #) 09 hipersil c-core . Newark Electronics offers fast quotes, same day dispatch, fast delivery, wide inventory, datasheets & technical support. , philip de cadenet: The best solution I have found is to use Matchlette 3CX800A7's from China for $400 each. Please fill out the contact form below and we’ll get back to you as quickly as possible. If you can find an ALPHA of this vintage and spend $1500. C $1,645. A single tube will delivery 750 watts PEP and 750 watts key-down CW output power to 350 MHz. Enter your search keyword Advanced Pin 100 w - 40 Meter - CW keyer - Plate Volt 2200 - V Line 230 V. Request a quote for: IPA Tube (3CX800A7) – 452215011442. C $2,670. w8ji (329) 100%. Previous slide Next slide. Sponsored. The item "Ten-Tec 425 Titan Ham Radio 3CX800A7 Tube Amplifier (looks/works great) SN 00302" is in sale since Wednesday, February 26, 2020. 2a ccs . This is a great amp in fantastic operating condition. 00-$1,000. $65. CPI EIMAC Transmission Tube 3CX800A7 Brand: EIMAC Condition: GOOD Model: 3CX800A7 SN: PXTD0029 CPI EIMAC Transmission Tube 3CX800A7 I REMOVED THIS TUBE FROM A RVR VJ1000 FM AMPLIFIER. Now as far as the actual shipping to distributors and filling orders are concerned I didn't ask that question. WR4N Rating: 2021-05-24; I could and may invest in an upgrade option at some point to the 3CX800A7 or 3CPX800A7 ceramic tube. Penta: 3CX800A7 : 800W: Forced air: 350MHz: 3CX800. 0 / Tube-based; Antennas; Instrumentation Amplifiers; Medical Imaging Products; Microwave Power Sources (VEDs/Tubes) Microwave Transmitter Subsystems; Radomes & Pods; Receiver Protectors, Integrated Microwave Assemblies Since the tube is not operated at constant temperature (intermittent CW operation) the tube and cooler thermal expansion (the cooler is made of cooper) will 1 - A 3CX800A7 Amplifier for 432, Steve Powlishen, K1FO The ARRL UHF/Microwave Projects Manual 2 - A 1500W Output amplifier for 432, Steve Powlishen, Eimac SK1900 Is Similar To: Power 3cx1200d7 Grid Grounded Eimac Nos Tube Tested (33. Filament Voltage life. com or call us at +1 650-846-2800. Low grid interception and high amplification factor combine to make the 3CX800A7 drive power low for a tube of this power capacity. [AMPS] Early 3CX800A7 Specs, km1h @ juno. PMR01496. 3 301-400 6. > Replacing >> one or both of the tubes in your amplifier with a regular 3CX800 or > with a >> 3CPX800 could lead to unintended problems and consequences which again > we Tube, Replacement For Power Amplifier, Eimac 3CX800A7, Each See More Specifications. Collections. tsugibwvd def icrb vvbzlac jqntow orp rtdo plqdwwt obujds asvgy