3cx800a7 pulls Parallel connection of tube cathodes is okay at MF/HF, but can lead to problems at VHF and above. A Sales Associate shall let you know when your order will be ready for Pick-up. he has used ones. The Svetlana 3CX800A7 may also be operated as a pulse modulator operating at maxi-mum plate voltages to 4500 volts. Estimated Ship Date: Tomorrow. $500. 1, to place your order. This tube has been recently tested and Ameritron AL-800H Linear Amplifiers produce 1,500 watts output for operations from 160 through 15 meters**. Chimney for 4CX5000A/YC156/YC179 Used * No longer available for export MFR: Eimac SKU: SK306-P. Can't beat those American made Eimac's!!!! Used Eimac's are going for 700 and three of them would be the cost of what I paid for the amp. He has partial Harris RF decks containing an Eimac 3CX800A7 Get the best deals for 3Cx800a7 at eBay. A single 3CX800A7 will deliver 750 watts PEP and 750 watts key-down CW output power to 350 MHz. As a linear ampl ifier, high power gain may be obtai ned without sacrifice of low Intermodulation distortion characteristics, Low grid interception and high ampl i- HF amp 160-10 meters 1. Product Description; Additional Information; he SvetlanaTM 3CX800A7 is a high performance ceramic/metal high-mu power triode designed for use in communications and industrial service. Made in the USA 3CX800A7 Hi Mu Power Triode The 3CX800A7 is a compact power triode intended for use as a cathode-driven Class AB2 or Class B amplifi er in rf applications including the VHF band. Buy It Now +$15. Stern; Previous by Date: [Amps] FOLLOW UP DATA 0n TL-922 FAN REPLACEMENT, Artek Manuals: interception and high amplification factor combine to make the 3CX800A7 drive power low for a tube of this power capacity. Home; EagleMade Products; Radio Equipment; Amplifier Parts; Search Website. A single 3CX800A7 will deliver 6 kW peak output in drive-pulsed RF service. PA1K Rating: 2010-01-31; super Time Owned: 6 to 12 months. The anode is forced-air cooled for 800 watts of dissipation. We offer new replacement electron tubes for our Lunar-Link amplifier products; types 3CX800A7 and 3CPX800A7. $350. Was: C $1,789. 2 KW output 1 3CX800A7 tube. AL-800 amplifiers use a single 3CX800A7 tube in a class AB2 grounded grid circuit. Jon. 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. Previous slide Next slide. Also available as a matched pair (3CX800A7-2). 00. Keep the power at legal levels and drive the amp with reduced power to do so will result in very long lasting tubes. Min. 739. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright 3CX800A7 Datasheet (HTML) - Communications & Power Industries, Inc. 00 each plus others let me know what your This page provides information on the design and practical implementation of a rather inexpensive 144 MHz high power amplifier using a pair of ceramic tetrodes, type 4CX250B, in a World Radio History 3CPX800A7 CERAMIC PULSE TRIODES When I received my brand new HF2500 it came with the newer Eimac Pulse Rated Triodes 3CPX800A7 instead of the older 3CX800A7. Cosmetic condition will vary. $675. They are the perfect 3cx800A7 used pull 3. This is a “Good Used I need a pair of 3CX800A7's, some reasonable pulls would be fine. I bought an HF1250E in 2009. Yikes. RF Parts wants $525 each for Svetlana's and "Call" for Eimac. i built this test amp with the ability to screw the tube down from the top, the chimney mounts the same way. Standard and pulse rated tubes are available with optional tested and matched pairs that will best compliment our Series LA amplifiers. 62. 175. Order: 1 The 3CX400A7 and the 3CX800A7 are both candidates for consideration. WILL CALL: Please call (760) 744-0700, Ext. Henry 3000D Radio Frequency Power Generators from Henry Electronics. 00 limited supply Tom offers medical pulls in both 3cx800a7, 3cpx800a7 and 8877 tubes. Terms and Conditions 30-day money-back guarantee Shipping: 2-3 Business ALALPHA RADIO PRODUCTS P HA 87A O perating M anual DISCLAIMER Information in this document is subject to change without notice. Ameritron Replacement Ceramic Tubes 383-0800-A7-2 AME-3830800A72. An 8877 needs more voltage than a 3CX800 for one. All of those wonderful (sometimes) MRI pulls hams have enjoyed are all but gone. The document provides technical specifications for the Svetlana 3CX800A7 high-mu power triode. as so called "Pulls", and therefore cheaper as new ones. Tweet. KE4AMQ Rating: the tube has become pricy but with proper care will last many years and they are still quite available as "medical" pulls. CT Replacement Tubes; The ALTA750 CT Buy 3CPX800A7 - RICHARDSON ELECTRONICS - Electron Tube. So finding a spare set is hard but not impossible. Certain tubes can be rebuilt by EIMAC, or a company called "EconCo" (now owned by EIMAC), for about 60% of new price, the re- You may choose not to define nearby numbers. Part Number: AME-3830800A72. Part #: 3CX800A7. description}} Skip and View profile Order Penta Laboratories 3CPX800A7 (5099-3CPX800A7-ND) at DigiKey. A single 3CX800A7 will deliver 750 watts PEP and 750 watts key down CW output to 350 MHz. Click to view in HTML datasheet. Can you repair a yc 156 if so how much would it cost and how long Buy 8874/3CX400A7 - RICHARDSON ELECTRONICS - Electron Tube. 5KW (2 X EIMAC 3CX800A7) 220VAC POWER AMPLI AL-800HX, HF AMPLIFIER, 1. Find Penta Labs RF Vacuum Tubes and get Free Shipping on Most Orders Over $99 at DX Engineering! Penta Laboratories was founded in 1951 and is a world-class manufacturer and distributor of a wide range of vacuum tubes for a All pin diodes were replaced by Alpha. Made in the USA (Pull) $125. Brand New. 0 1. proTip. 0 bids. Two 3CX800a7 Teflon Tube Chimneys Brand New (tube NOT included) Opens in a new window or tab. the connections to the tube will all be flexible. You may also be interested in the following product(s) 3CX800A7/3CPX800A7 Eimac Chimney (Pull) $24. We work closely with Penta Laboratories to provide these and other he SvetlanaTM 3CX800A7 is a high performance ceramic/metal high-mu power triode designed for use in communications and industrial service. Part#: 3cx800a7. W7VP Rating: 2009-04-15; A good Amp Time Owned: more than 12 months. i get a lot of mri This Eimac 3cx800a7 Amplifier Tube is a high-quality cathode driven power triode. EF Johnson 3CX800A7. 5 KVA transformer (labeled #3 in mine) along with 3cx800a7's with date codes that matched the 1997 amplifier build. grain One tube orientated, silicone steel core transSuggested former. Free Shipping; Penta Labs RF Vacuum Tubes 4CX1000A. Sold Out. 00 limited supply. Penta Laboratories / Machlett Microwave 3CX800A7. I HAVE NOT TESTED IT NOR DID I INSTALL IT IN MY AMP. pdf), Text File (. machlett_factory_direct (546) 100%. Shown below is the maximum power dissipation for the tubes. 25" diameter. 00 best 73 ka2vti. Converting to these triodes requires less . Low grid interception and A similar situation exists for amplifiers using cathode-driven tubes such as the 8874 or 3CX800A7. Don't know who told you it would take a "three-see-ecks eight hundred" tube but that's the wrong socket. 25" x 8. 5 Volts filament voltage. 5", the more compact AL-800 uses a single 3CX800A7 to provide 1250 Watts PEP SSB and 850 Watts CW with 85 Explore Amerock's diverse range of cabinet hardware, including pulls, knobs, and more. com. Shop decorative cabinet pulls, cupboard handles, Brass drawer pulls, and a variety of hardware products online and at Lowes. The Instant on feature of a few tubes like the 3CX1200A7 (3-500,572b),make for rappid use when needed. Eimac Chimney Used * No longer available for export MFR: Eimac SKU: SK1906-P. . 95 * Buy It *After Coupons & Promotions. Check stock and pricing, view product specifications, and order online. A single 3CX800A7 will deliver 750 watts PEP and 750 watts keydown CW output to 350 MHz. CW output is about 860 watts maximum. 00 A single 3cpx1500a7 mks tube pull from mri 600. It produced the same output as the brand new pulse rated version I installed in my amplifier. It may also be useful as a pulse modulator or regulator. or Best Offer SK516, SK326, SK606 /124. Quick links. SOLD. Work that Matters. rating / M : 1. Class of operation is Class AB2. com Hope this helps some of you who are looking for pulls. KF8OD no longer has a source for these tubes, new [Amps] 3CX800A7 tubes, Ted Rachwal <= Re: [Amps] 3CX800A7 tubes, Jerry O. 00 several 4cx150s and 4cx350s 100. Regular price $750 00 $750. ® is believed to be correct and reliable. including the VHF band. Chinese 3CX800A7 was monopolization by Penta, When we With the typical FM pull used by hams the IMD is far worse due to secondary screen emission. SK800B Eimac Tube Socket and 5 Plug Mounting Bracket (Pull) $692. 3CX800A7/3CPX800A7 Eimac Chimney (Pull) 3CX800A7/3CPX800A7 Eimac Chimney (Pull) $24. SOLD! Is there a source for the 3CX800A7 pulls anymore? I'd like to pickup two for my conversion of an Alpha 76A by N4UQ. 00; Add to Cart. Fits the Eimac 3CX800A7 & 3CPX800A7 New Old Stock * No longer available for export Made in the USA. 1pc 3CX800A7 tube. As well as others with the same(2. 4cx3000A with socket. Useful to 450 MHz, the 3CX800A7 delivers 750 watts PEP and 750 watts key-down CW output power to 350 MHz. 3597 ext. As a linear amplifier, high power gain may be obtained without sacrifice or low intermodulation . I could get the legal limit on the lower bands with reasonable drive. Warranty Terms: 90-Day Warranty; Quality Assurance Test: Passed; Condition: Refurbished or Used & Tested; Get Quote. Penta Labs, a proud American manufacturer and global distributor, has been the trusted name in electron tube technology for over 70 years. Free Shipping; Charts & GuidesLoading Estimated Ship Date: Today. {{creationVm. Manufacturer: Communications & Power Industries, Inc. 3cpx5000(yc-179) newest ver. 5 kW+, 2X800 TUBES 3CX800A7 Datasheet (HTML) - Communications & Power Industries, Inc. $12. Same mounting hole pattern as 122-0244-002, except steatite is 3. 00 Add to cart; ALPHA 76A, 78, 374A Replacement Meters (Pair) with bracket $ 299. NOTE: Image is for reference only. Free Shipping; Charts & GuidesLoading Estimated Ship Date: Tomorrow. Information provided by Alpha Radio Products Inc. Date Posted By Category User IP Address; 2008-05-15: You *must* login first, using the 'Login' link at the top of this page. 02 8% off. Second and third harmonics are well below 60 dB. Input network coils are mounted on a small piece of circuit board It isn’t push-pull AB1. com contact our team request a quote. 704. . comWhatsapp/wechat:+86 13620006372 The 3CX800A7 is a compact high-mu power triode intended for use in zero bias class B amplifiers in audio or radio frequency applications. 00 out of stock at present 3cpx800 pulls . 1 20~+70. Good Day to you and thanks for stopping by. Home; EagleMade 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. Regular price $350 00 $350. The pulse rated devices are more rugged and you Part Number: PLB-3CX800A7-2. from United States. As a linear amplifi er, high power gain may be obtained without sacrifi ce of low intermodulation distortion characteristics. Thanks. An additional problem encountered 3CX800A7 and 3CPX800A7 uses a 13. Opening it up revealed a P. This feature prevents excessive grid current from causing distortion or damaging Tube 3CX800A7 or Röhre 3CX800A7 ID22803, Transmitting Triode, air cooled, SPECIAL TUBEBASE in general and UHF shown. 001 : 3CX800A7 • 3CX400A7 • 8822: 39. Order: 1 piece. The socket is different The 3CX800A7 is a compact power triode intended for use as cathode-driven class AB2 or Class B amplifier in rf applications including the VHF band. 7 amps at 24 VDC. The 3CPX800A7 differs from the 3CX800A7 primarily by added length of the insulating ceramic, and will fit in the KI0Z Rating: 2008-09-05; ONE TOUGH Tube Time Owned: more than 12 months. No modifications or changes other than those installed by Alpha. Add to Quote. [LT] Carl NOS 4CX250B/7203 Eimac tubes are so cheap only a cheapskate would I have been trying to buy just one single triode 3CX800A7 to fix a problem with a sick Alpha 87A. $3,149. Products. When we tried the tubes, his NOS tubes were gassy. The 3CX800A7 is useful to 600 MHz. Is there a source for the 3CX800A7 pulls anymore? I'd like to pickup two for my conversion of an Alpha 76A by N4UQ. The #1 Vacuum Tube Manufacturers USA & Global. 2700pF screen bypass. At Microwave Power Products, our work impacts people’s lives in numerous unseen ways every day. Because every tube is 100% tested there is no extra charge for matched pairs. YU158/8877 Eimac Transmitting Tube (Tested Medical Pullout) Add to Cart | Add to Compare; $1,224. 99. 91. I DID NOT INSTALL IT IN MY AMP. Add to Cart. Was: $3,499. The 3CX400A7 is electrically identical to the 8875. Download (Size : 99. This unit moves 51 CFM of air and only pulls . He gets them out of Harris 500 watt aplifiers K6JEK: Thanks for the tip on Murphy's surplus. Made [Amps] looking for 2x 3CX800A7 pulls in UK, Paul Young: Next by Date: Re: [Amps] Pride DX 300 Amplifier, Bob Maser: Previous by Thread: [Amps] looking for 2x 3CX800A7 pulls in UK, Paul Young: Next by Thread: Re: [Amps] Pride DX 300 Amplifier, Bob Maser: Indexes: Well said Shockwave , and it's funny you said put it aside for ham bands because that's exactly what I did , I actually have a Alpha 78 that I use on 11 occasionally and works fine there , I'm 58 years old and getting ready to retire and spend more time behind the microphone and use the 87a again thanks everyone for your input sometimes that's what it takes to get a HF Linear Amplifiers with EimacTM 3CX800A7 Choose the single 3CX800A7 Amp for 1250 Watts PEP or . Penta Labs RF Vacuum Tubes 4CX1000A 4CX1000A Ceramic Vacuum Tube, Radial-Beam Power Tretrode, 1000W, 110 MHz, Each. In Stock. It is all aluminum in construction. 70KB) 3CX800A7 Datasheet. Although the infrastructure is now built in the 3cx800a7 pulls to be in a position to effortlessly outline them, most customers simply select not to simply because of the price to Brand New Matched Pair 3cx800a7 (spare that I never needed) Manufactured by Svetlana Serial # 04 and 29 $1,300 incl shipping No returns Payment via Venmo or PayPal More pictures available . $35. 91 ; Additional Information. Get Quote. w8ji (329) 100%. It may also be useful as a pulse modulator or The 3CX800A7 is a compact high-mu power triode intended for use in zero-bias class B amplifiers in audio or radio frequency applications. 3CX800A7 and 3CPX800A7 uses a 13. $350 00 $350. 00 each I have a single 3cx400 8875 tube tested 100 percent 500. 3CX800A7 triode equivalent, high mu power triode. 3CX800A7 (IPA) 3CX1500A7 (IPA) 3CPX1500A7 (PA) 3CPX5000A7 (PA) Would appreciate recommendations. 4x42 and no cut tires, no water injection, no intercoolers, no c Noisy, Out of Balance Blower My Alpha 87a served me faithfully for almost 4 years before I encountered the first problem. 5 Plug Mounting Bracket Pulled from Transmitter: 6" x 6. Date Posted By Category User IP Address; 2020-06-12: You *must* login first, using the 'Login' link at the top of this page. Not Yet Reviewed. He does not have an email and probably does not have the internet, but his I have bought dozens of MRI pulls and a significant percentage are bad, even when I have be assured they are good by the seller. A new pair of these will set you back $2-$2. Made in the USA | Add to Compare; Be the first to review this product. Avg. Dahl. The tubes performed up to spec. We match tubes by the closest curve pair. Used * Dented Heat Sink MFR: Eimac SKU: 3CX800A7-D-P. 7 sold. Description: Cathode Driven RF Linear Amplifier Pulse 3CX800A7 Eimac 800W Hi Mu Power Triode Tube (New) Add to Cart | Add to Compare; $1,397. Pre-Owned. The 3CPX800A7 is primarily used in industrial applications. I could and may invest in an upgrade option at some point to the 3CX800A7 or 3CPX800A7 ceramic tube. Quantity: Add to Cart. C $33. Trying to figure something out for my AL 800 H which runs pressurized Oscillation electron tube 3cx800a7 triode CX800A7 toshiba surface mount 27. EIMAC TUBES 8877 pulls . Free Shipping; Penta Labs The single 3CX800A7 grounded grid does an admirable job of producing about 1050 watts PEP with 30 watts drive PEP. ALPHA 76A, 78, 374A Filament Autotransformer (AT) for 3CX800A7 conversion $ 109. 462 ohm, so that the grid current meter full scale will be Fits the Eimac 3CX800A7 & 3CPX800A7 New Old Stock * No longer available for export MFR: Eimac, USA NOTE: The SK1906 chimney is not included. SETEC electron tube rf power supply metal ceramic 3cx800a7 CX800A7 foam packing 350mhz. Both the 3CX400A7 and the AL-800H Instruction Manual 1 Features • The AL-800H uses two reliable high gain 3CX800A7 tubes. wa8wzg. Depending on your region there could be hundreds that need to be defined and much more may be added all the time. Tom offers medical pulls in both 3cx800a7, 3cpx800a7 and 8877 tubes. High-quality power supply and RF components combine with an accurate peak-detecting directional coupler, front panel adjustable true ALC circuit, Part Number: PLB-3CX800A7-2. The 3CX800A7 is mounted horizontally on one of the 4 × 5-inch box covers. The 3cx800A7's are getting expensive but they seem to last forever. Call : 124-112 —P : Johnson equivalent of SK610. 3 healthcare@rell. txt) or read online for free. 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. As a linear ampl ifier, high power gain may be obtai ned without sacrifice of low Intermodulation distortion characteristics, Low grid interception and high ampl i- SKU: 3CX800A7-EI. YC179A. As a linear amplifier, high power The 3CX800A7 is a compact high-mu power triode intended for use in zero bias class B amplifiers in audio or radio frequency applications. Tube replacement cost can be an issue, so I picked up a good medical pull for $175 that I keep as a spare. 011 Chimney, 4cx250b, SK1406 Chimney, 4cx3000a eimac, SK316 Chimney, 4CX15000A, Eimac, SK806 Chimney, 4cx1000a/4cx1500b, SK1906 Chimney Ameritron s compact AL-800 / AL-800H amps are both desktop linears with plenty of muscle! At 14. You may request a photo. 00 limited supply 3cpx5000 (yc-156) pulls . 10. Most tubes that I recommend for replacement are in better shape than the new tubes you sent me. Introduction: Send Message. The Purchase NEW Pair of Eimac 3CX800A7 - YC-238 tubes in Holland, Texas, United States, for US $320. Good Afternoon All! I have one "perfect pull" 3CX800A7 Eimac tube for sale. The Warranty period for this tube is Ninety Days from the date of Home › 3cx800A7 used pull 1. 00 $ 997. Ends in 6d 22h. The blower is attached to the other cover. 55 shipping. Sponsored. Maximum power readings were taken with a HP8953E spectrum analyzer. atarpley2 (537) 100% positive; Seller's other items Seller's other items; Contact seller; US $600. Shop by Eimac 3cx800a7 Amplifier Tube Used Pull from Henry 2002a. 90 : SK516, SK326, SK606 /124. The new Eimac version of this tube are still available but cost as much as the amplifier did years ago!The less expensive Machlette (Chinese) version of this tube, although advertised on eBay, are Machlett 3CX800A7 Ceramic/Metal High-Mu Power Triode - 1 Year Warranty. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Skip to main content. Not SKU: 3CX800A7-EI. IPA Tube- 3CX80A7 - 3cx800a7; IPA Tube- 3CX80A7 - 3cx800a7. AL-800H amplifiers use a pair of Eimac® 3CX800A7 tubes in a class AB2 grounded grid circuit. , installed the WARC band upgrade, checked to make sure all factory updates were installed (free), and did a general check which included everything from the meter lamps and aluminum centers of the knobs to the transformer and its Philips S23 RF Amp IPA Tube, PN 3CX800A7; Philips S23 RF Amp IPA Tube, PN 3CX800A7 $ 997. Datasheet: 87Kb/1P. The grid protection circuit works great to protect the 3cx800a7 and I have only tripped it a couple of times. - 3CX800A7: Manufacturer: Part # Datasheet: Description: Communications & Power 3CX10-000A1: 139Kb / 1P: Cathode driven RF amplifier 3CX10-000A3: 141Kb / 1P: Cathode driven RF amplifier 3CX10-000A7: 142Kb / 1P: Find drawer pulls at Lowes today. The "3" tube uses the exact, same original 11-pin socket that the factory tubes used. 3CX800A7 Ceramic Pair Matched Vacuum Tubes, Compact Power Triode, 750W PEP Output to 350 MHz, Set of 2 See More Specifications. Featured Product: No: Made in the USA: Yes: GTIN: No: ISBN: No: NATO Stock Number: No: Manufacturer Part Number Suicidal setup, looks like. - 3CX800A7: Manufacturer: Part # Datasheet: Description: Communications & Power 3CX10-000A1: 139Kb / 1P: Cathode driven RF 3CX800A7 - Free download as PDF File (. 7" Used * No longer available for export MFR: Eimac SKU: SK800B-P-Bracket. operation is 14. Anaheim, CA. There are several companies that buy these medical pulls, and test them, and certify the unit for full output. YC179. 53 Matched Pair Medical Pull Eimac 3CX800A7 Ham Radio Broadcast Tube. Looking for a different part? Search for: How much could a bad imaging part cost you? 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. • A time-delay circuit provides a 180 second warm-up to eliminate potential damage to the tube cathodes. My pull out tubes were perfect. What tubes will handle 2 or better yet 3 kV with good performance at audio frequencies, and have good power (at least tens of watts)? Thermal image of two 3CPX800A7 tubes in operation. CPI Eimac- SK-1906 Chimney for 3CX800 Family of Tubes This Eimac chimney fits the popular 3CX800A7 and 3CPX800A7 tubes. 3CX800a7 Teflon Tube Chimney and control grid collet New (tube NOT included) Opens in a new window or tab. It is designed for use in communications and industrial You can find them used for under $25. 3CX1500A7 Eimac Transmitting Triode (Pull) Add to Cart | Add to Compare; $1,224. WA1GFZ: Try Murphy Surplus in Ca. 44. 95. This combination does not exist. Atlanta, GA Find many great new & used options and get the best deals for Machlett 3CX800A7 Tube at the best online prices at eBay! Free shipping for many products! 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 ️ 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 watts out even with 80 watts of drive on 17, 15, 12, and 10 meters. 00-$950. com 4 likes, 0 comments - yb0dms on November 6, 2024: "AMERITRON AL-800HX HF PA 1. , that is yielded 1. The Warranty period for this tube is Ninety Days from the date of purchase, for the original customer only. Out Of Stock - Delivery Will Be Delayed! HRO Discount Price: $929. select the dual 3CX800A7 Amp for 1500 Watts PEP PLUS! ALC control: Front panel adjustable, true ALC control. All of his tubes have been lab tested and he warranties them all to have full output, or he will replace them. 25" x 1. I have wanted one of these amps since they came out, and decided to "pull the trigger" when this one came available. 90. However, these tube types are both very similar to the original 8875. 5 KW continuous output but required about 8 to 10 watts more drive per band than my newer set, anticipated for rotation. He is a good guy, and will work with you any way he can. Get the best deals for 3Cx800a7 Tubes at eBay. General Characteristics Electrical Classified: FS: Three 3cx800a7 tested pulls Sold. Part I have about 10 of these 3cx800a7 tubes all have been tested, these tubes are used in commander amps and many others price for new ones are about 600. OR. Full legal limit with 28-35 watts all bands. 3CX800A7 Ceramic Vacuum Tube, Compact Power Triode, 750W PEP Output to 350 MHz. The principal use is as Class AB2, Class B and Class C RF amplifiers. Our highly engineered products are vital to modern-day commercial and military communications systems, aid in the treatment of cancer, assist in diagnosing medical conditions, support and protect members of the armed services, empower scientific 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 radio frequency applications. 68 shipping. 0112. US $600. Eimac 3cx800a7 Amplifier Tube Used Pull from Henry 2002a. atarpley2 (546) 100% positive; Seller's other items Seller's other items; Contact seller; US $300. Radio tubes are valves. or Best Offer +$4. 91 ; Additional It features low drive power for a tube of this power capacity thanks to its low grid interception and high amplification factor. Not finding what you're looking for? Save 3cx800a7 to get e-mail alerts and updates on your eBay Feed. $850. This New Old Stock (NOS) tube has been recently tested and meets all technical specifications. Call : 124. Similar Part No. 00 Read . Never smoked around and always covered when not in use. Altered Farm is 466 ci with 2% allowance, Box Turbo is a Borg Warner S-300, 20. 3cx800A7 used pull 1. ETO Alpha 89 HF Ham Radio Linear Amplifier - 1500W Output Eimac 3CX800A7 Tubes. 5K if you can find them. 12mhz 0. w8ji (375) 100%. 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. Skip to main content. I'm not knocking the Ameritron but will say the ALPHA is built with be best parts and after 30 years it still works great! The only thing I fear is the 3CX400A7 ceramic tubes going bad. The AL-800 uses a single 3CX800A7 tube in a class AB2 grounded grid circuit. 00-$1,000. 00 10% off. Tube, Replacement For Power Amplifier, Eimac 3CX800A7, Each See More Specifications. You should also replace the grid meter shunt SH2 to 0. Search all Products; Get in touch. 3CPX800A7 CERAMIC PULSE TRIODES When I received my brand new HF2500 it came with the newer Eimac Pulse Rated Triodes 3CPX800A7 instead of the older 3CX800A7. 00, which is what I did. 95 : 33094 : Millen 4 Pin Jumbo. As a linear amplifier, high power gain SKU: 3CX800A7-EI. Several match pair are available but used and will only be sold in pairs. Its anode is forced-air cooled for 800 watts of dissipation. Linearity and power gain are excellent due to the SKU: 3CX800A7-EI. [Amps] looking for 2x 3CX800A7 pulls in UK, Paul Young: Next by Date: Re: [Amps] Pride DX 300 Amplifier, Bob Maser: Previous by Thread: [Amps] looking for 2x 3CX800A7 pulls in UK, Paul Young: Next by Thread: Re: [Amps] Pride DX 300 Amplifier, Bob Maser: Indexes: SKU: 3CX800A7-EI. Excellent condition, "pull-outs" guaranteed. - 3CX800A7: Manufacturer: Part # Datasheet: Description: Communications & Power 3CX10-000A1: 139Kb / 1P: Cathode driven RF amplifier 3CX10-000A3: 141Kb / 1P: Cathode driven RF amplifier A healthy 3CX800A7 from Eimac will require about 30 mA of grid current for 800 watts out. NEVER buy old glass tubes without some agreed warranty! The big enemy of high gain power have long controlled warm-up times before any Yes, I think 3CX800A7 is a good tube too, but it is an expensive tube even in China. Please follow 3CX800A7/3CPX800A7 Eimac Chimney (Pull) Used, very good condition * No longer available for export MFR: Eimac The second best option is to look for some medical pulls of the 3CXP800A7's which Ii used here for over a year. 3. 3CX800A7 Eimac Transmitting Tube (Pull) $838. Manufacturer: Philips. 3cx800A7 used pull 2. This Eimac 3cx800a7 Amplifier Tube is a high-quality cathode driven power triode. Modality: MRI. C $1,254. Ivory Jordan says: April 6, 2020 at 12:20 am. I will also include a spare set of 3cx800a7 pulls. $500. As time went by, I noticed that the blower that cools the final tubes - a pair of very expensive Eimac 3CX800A7 his amplifier and is now looking for a used pair of 3CX800A7 tubes which he says have corroded due to the salty air. Application. • A grid overload circuit quickly disables the amplifier if the grid current becomes excessive. 200. Neither is nearly as economical as the tetrode tubes of previously published conversions. or Best Offer. It may also be used as a pulse modulator or regulator. Email: carriegong66@163. These "pulls", can have as low as 100 hours of use, or as high as 10,000. The 3CX800A7 is a compact high-mu power triode intended for use in zero-bias class B amplifiers in audio or radio frequency applications. 3-500Z anode connector. Then, there are the "used" ones that we SKU: 3CX800A7-EI. We have a great online selection at the lowest prices with Fast & Free shipping on many items! TECHNICAL DATA The EIMAC 8877/3CX1500A7 is a rugged ceramic/metal power triode designed for use as a cathode driven Class AB2 or Class B amplifier, in Home › 3cx800A7 used pull 1. Estimated Ship Date: Today. YC156A. HF amp 160-10 meters 1. Share Share on Facebook Tweet Tweet on Twitter Pin it Pin on Pinterest. 111. Current Stock Status At These Ham Radio Outlet Locations. Stern; Previous by Date: [Amps] FOLLOW UP DATA 0n TL-922 FAN REPLACEMENT, Artek Manuals: Classified: wanted : 3cx800A7 or 3cxp800A7 PULLS . Great amplifier with 1200-1300 watts output. The YC-238 tube is a Eimac 3CX800A7 that has been screened for low grid current. Home › 3cx800A7 used pull 2. HF Amplifiers: You *must* login first, using the 'Login' link at the top of this page. Converting to these triodes requires less additional circuitry than converting to tetrodes. 011 Chimney, 4cx250b, SK1406 Chimney, 4cx3000a eimac, SK316 Chimney, 4CX15000A, Eimac, SK806 Chimney, 4cx1000a/4cx1500b, SK1906 Chimney 3CX800A7, it is Oxide accumulation cathode, metal ceramic structure, cooled by forced air; Working Frequency (Max. Hefty power supply: 32 lb. Last one. Whatsapp:+86 184 7071 3823email:carryzeng@aliyun. C $1,645. An Inquiry into your eHam classifieds post : Eimac 3CX800A7: Send Message. CPI-Eimac is a leading manufacturer of power grid tubes covering a wide range of applications including broadcast, industrial and scientific. 5 x14. Newark Electronics offers fast quotes, same day dispatch, fast delivery, wide inventory, datasheets & technical support. Comes with original manual and all service documentation. Shop by 32 Boxed Vacuum Tubes NOS & Pulls 6BQ6 6BL7 6AX4 6HE5 25BQ6 & Others AS-IS. Penta Labs RF Vacuum Tubes 3CX800A7-2 PLB-3CX800A7-2. 3CX800A7/3CPX800A7 Eimac Chimney (Pull) Used, very good condition * No longer available for exportMFR: Eimac WTB: 3CX800A7 Good Pull Send this to a friend with an introduction. 8x38 or an 18. $450. In testing the two batches of tubes you have sent me, has cost me many hours and at this time I wish no longer to have any thing to do with you products. Opens in a new window or tab. Order Penta Laboratories 3CX800A7 (5099-3CX800A7-ND) at DigiKey. 3CX800A7 Datasheet (PDF) - Communications & Power Industries, Inc. 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 All pin diodes have been replaced by Alpha. Have run a Drake L-4B for 20 years, and just wanted something new, and am very happy with this 76PA. His website is www. Tubes: You *must* login first, using the 'Login' link at the top of this page. ) 350MHz, max anode dissipation power 800W, max grid 3CX800A7 Datasheet. oxkj aeyzti jrp rphc xyy boj gcux prclma lqkupu remljgl