National 4cx1000a. Installed my spare (looks new) 4CX1000A. It is a low-voltage, hig

Installed my spare (looks new) 4CX1000A. It is a low-voltage, high-current tube specifically … The 4CX1000A or 8168 is a 1000 watt, forced air cooled, tetrode with a maximum full rating frequency of 110 MHz. Get complete Collins Avionics aerospace parts purchasing solutions at … The 4CX1000A/8168 is a low voltage, high current radial beam power tetrode designed for Class AB1 RF linear amplifier or audio amplifier applications. We're the #1 vacuum tube suppliers for … 4CX5000A Call or email first to confirm stock prior to entering an order (info@newtube. The 4CX1000A is in a grid-driven, … The 4CX1000A / 8168 is a ceramic/metal, forced-air cooled, radial-beam tetrode with a rated maximum plate dissipation of 1000 watts. x2 are marked Eimac JAN 8168 made in USA x1 is marked National Electronics 4CX1000A/8158 made in China … An inclosure, including two or more electrodes, in which a flow of electrons may occur through a vacuum or a contained gas. National Electronics 4CX1000A transmitter tetrode vacuum tube - View Now on eBayBuy It on eBay for only: $209. Ships to … Default Description4CX 4CX tubes are known for their efficiency and reliability, making them a popular choice in various applications. Aviation part 4CX1000A-NL is in stock and ready for immediate shipment! The Collins 4CX1000 Eimac 8168 4CX1000A Ceramic RF Tube Alpha is a high-performance tube that is well-suited for high-power RF applications. Each Penta Labs vacuum … It is a low-voltage, high-current tube specifically designed for Class-ABI rf linear-amplifier or audio-amplifier applications where its high gain may be used to advantage. Perfect for enhancing your radio setup. 99 In stock Ready to ship! The 4CX1000A is constructed with an extremely fine grid structure, allowing for high gain; but by the same token, this tube is a candidate for an early … Similar Items National Electronic 4CX1000A/8168 Tube BEAM TETRODE ELECTRON TUBE 8168/4CX1000A Mfg. Just $1499. From a collection of a Big Time Ham. com) The 4CX1000A / 8168 Vacuum tube is a high current, low voltage tetrode used in audio amplifiers. Fill out the RFQ Form and Get an Instant Response. In the 4CX1000a the spec sheet calls for 35 ma screen current in typical AB1 service. File Size: 97Kbytes. Is it safe to increase only the negative threshold to 50 mA? 73, Val LZ1VB > This has brought up an intersting question. ) Frequency for Max. Also a 30S-1 available. Eimac 4CX1000A 8168 4CX1000A JAN 8168 Eimac Varian New In Box … JAN 8168 4CX1000A made in USA by Eimac. This particular model, with the … Penta Labs RF Vacuum Tubes 4CX1000A 4CX1000A Ceramic Vacuum Tube, Radial-Beam Power Tretrode, 1000W, 110 MHz, Each Part Number: PLB-4CX1000A Not Yet Reviewed … The 4CX1000A tube is commonly used in vintage audio and video equipment, providing a classic and authentic sound experience for retro audio enthusiasts. Tube seems to be in good working condition. It costs about $100. The 4CX1000A is a power tetrode tube primarily used in RF amplifiers and transmitters. Results: Full Emission of 122, while NOS is typically 100-120. The … Buy 4CX1000A manufactured by Electronic Industries Inc from Aerospace Exchange. S. Description: RF linear amplifier at 30 MHz. Are you interested in a quick and competitive quote for this part? The implications of this bias scheme at BOTH quiescent and RF dynamic conditions are very relevant if you are going to understand and not abuse your amplifier. Shop now! The 4CX1000A tube is designed to operate at maximum power without driving the grid into the positive region. forced-air cooled, radial- … For Sale: Alpha VTX-X118 amplifier tube, New, boxed. Collins 30S1 Amp The Eimac 4CX1000A/8168 High Power Radial Beam Tetrode is a vintage transmitting tube made in the United States. It is a low-voltage, high-current … The 4CX1000A 8168 Power Eimac 30S-1 Tube Collins Amplifier boasts an impressive output power of 1000 watts, making it a powerful tool for amateur radio operations, ham radio … Title: Re: 4CX1000A in grounded grid ( 4CX1000 GG ) Post by: KM1H on February 02, 2011, 09:24:11 PM Im in my second childhood and have returned to my roots, old glass … Vacuum tube manufacturers USA: If you are looking for a reliable electron tube distributor, contact us today. This is the improved version of the Eimac 4CX1000A metal/ceramic tetrode … Find many great new & used options and get the best deals for Eimac 4CX1000A Tube, 8168, good emission, filament OK at the best online prices at eBay! Free shipping for … The lot includes two tubes, both of which are in excellent working condition. 45 SK-800B Eimac Tube Socket for 4CX1000A / 4CX1500B Including … Discover top-quality 1000 tubes like Eimac 4-1000A and National Electronics 4CX1000A on eBay. This is the improved version of the Eimac 4CX1000A metal/ceramic tetrode transmitting tube, as used in several legal limit linear amps … Buy 4CX1000A manufactured by Communications & Power Industries Llc from Aerospace Exchange. Part 4CX1000A described as Electron Tube comes under FSC 5960 Electron … 4CX1000A , Call 516-809-7960 or Request a quote online, 4CX1000A cost and delivery, Same day shipping on stock items. Its durable construction, long lifespan, and … This page describes the construction of the 2m 4CX1000A amplifier from the 1999 edition of the ARRL Handbook. . The voltage, as measured at the socket, should be maintained at this value to minimize variations in operation and to obtain … Tube 4CX1000A or Röhre 4CX1000A ID30545, Beam Power Tube, TRANSMITTING & Power-TUBES/VALVES in gen and shown. D & C electronics in Brooksville Florida is currently testing various tubes including the 4cx1000a. At its rated maximum … Check stock and pricing, view product specifications, and order online. 4CX1000A AUDIO AMPLIFIER OR Class ABI MAXIMUM RATINGS DC PLATE VOLTAGE DC SCREEN VOLTAGE DC PLATE CURRENT PLATE DISSIPATION SCREEN DISSIPATION … 4CX1000A AUDIO AMPLIFIER OR Class ABI MAXIMUM RATINGS DC PLATE VOLTAGE DC SCREEN VOLTAGE DC PLATE CURRENT PLATE DISSIPATION SCREEN DISSIPATION … This page describes the construction of the 2m 4CX1000A amplifier from the 1999 edition of the ARRL Handbook. Includes the test report shown in picture #9. Penta Labs matched vacuum tubes go through rigorous test procedures to enhance performance during their operation. Included in this sale is a SK-800B Tube Socket, … Part number 4CX1000A is a manufactured by Electronic Industries Associatio with NSN 5960008103603. Benefit from its high gain and low … The 1500 uses a single 4CX1000A tube - a ceramic and metal radial beam tetrode with plate dissipation of 1000 W The amplifier will most likely be never 'tuned' above 400W for … Varian R LOS 8352 ICXIOOOK CERAMIC POWER TETRODE 8352 4CXIOOOK Division S A NC CALIF The Eimac 8352/4CXIOOOK is a ceramic and metal, of o Min. SK800B Eimac Tube Socket for 4CX1000A/4CX1500B (NOS) $1,179. The electronic conduction takes place either by means of … Buy 4CX1000A-NL of of National Semiconductor Corp is available in stock. 0 Volts. In order to stay out of … For sale is an Emac SK-800A NOS some tarnishing on silver plating otherwise clean. At the same voltage a 4-1000A is around 1300W PEP and its just starting to wake up. The intention is to have a 1500-watt output, brick-on-the-key rated amplifier, usable for all modes -- … 4CX1000A in grounded grid ( 4CX1000 GG )AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands Similar Items National Electronic 4CX1000A/8168 Tube BEAM TETRODE ELECTRON TUBE 8168/4CX1000A Mfg. The EIMAC 4CX1000A (8168-4CX1000A) is a high-performance, 30-kV, 1000-Anos beam tetrode electron tube. Electrical specifications for the 4CX1000A / 8168 Vacuum tube: Filament Oxide Coated … HEATER - The rated heater voltage for the 4CX1000A is 6. This classic audio component is a sought-after collector's item for … TECHNICAL DATA The EIMAC 4CX1000A is a ceramic and metal, forced-air cooled, radial-beam tetrode with a rated maximum plate dissipation of 1000 Watts. Eimac 4CX1000A 8168 4CX1000A JAN 8168 Eimac Varian New In Box … Similar Items National Electronic 4CX1000A/8168 Tube BEAM TETRODE ELECTRON TUBE 8168/4CX1000A Mfg. Its unique … 8168 4CX1000A Beam Power Tube FORCED-AIR COOLED GENERAL DATA 4CX1000A Call or email first to confirm stock prior to entering an order (info@newtube. View results and find 4CX1000A datasheets and circuit and application notes in pdf format. New in box, Sealed in the Bag. Will be sent in center of nice big well padded 12 inch cube box. 90 In Stock Add to Cart The 4CX1000A/1500B was never a very popular ham tube due to the expense of tube, socket and chimney, even surplus. While the Eimac … After fixing various stupid mistakes (including mislabeling input and output connectors -- really!) I applied some RF drive to my new amplifier for the first time tonight. Collins 30S1 Amp Collins 30S-1 Linear Amplifier. … national Electronic 4CX1000A/8168 Tube. This tube is manufactured by EIMAC, a renowned name in the field of high … Collins 30S-1 Linear Amplifier. com. At its rated … The 4CX1000A / 8168 Vacuum tube is a high current, low voltage tetrode used in audio amplifiers. Lightly used Eimac SK-806 chimney. Again all multi meter readings nominal and there is NO discernible grid current with this tube. 4CX1000A = 1680W out tops and that is maxed out at 3000V. Eimac 4CX1000A 8168 4CX1000A JAN 8168 Eimac Varian New In Box … We would like to show you a description here but the site won’t allow us. ) Grid Dissipation (Max. Radio tubes are valves. with news, information and resources. This function is performed by K1 which … Thank you. Shop now! 4CX1000A/8168 Plate Dissipation (Max. Explore our extensive selection of 4CX tubes to find the … Single Phase Amplifiers: ‘Katana 3K’ PA (GU43b) - ‘Katana 5K’ PA (GU78b) - ‘Katana 6K’ PA (GU78b) - ‘Katana 7K’ PA (GU78b) - ‘Katana 8K Ultra’ PA SOLD! - FS: Alpha/VTX 4CX1000A Tube, New, Boxed For Sale: Alpha VTX-X118 amplifier tube, New, boxed. The Final is a single 4CX1000A Radial Beam Tetrod. A parallel resistor and diode combination in series with the grid bias lead … National/Greenstone 4CX1000A 4CX1000A / 8168 é uma valvula de baixa tensão, alta tetrode atual projetado especificamente para a classe AB1 RF amplificador linear ou aplicações … Get the best deals on National Vintage Vacuum Tubes when you shop the largest online selection at eBay. 4CX1000A Data sheets, 4CX1000A info. Free shipping on many items | Browse your favorite brands | affordable prices. Run it with 4-6KV and up to 3-4KW is … JAN 8168 / 4CX1000A Eimac tube. The is a low voltage, high current tetrode specifically designed for Class AB1 RF linear amplifier or audio … The EIMAC JAN 8168 4CX1000A Tube 6932 is a vintage transmitting tube made by Eimac in the United States. com) The 4CX5000A / 8170 / RS2014CL Vacuum tube is used as an Oscillator, Modulator or Amplifier at … The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U. > What is the … This 4CX1000A is destined for the scrap heap. The 4CX1000A is in a grid-driven, … This is a scan of an Eimac article which later appeared in the November 1957 QST Magazine. OTOH the 4X150/250/300/350 family were very common as military … ACOM 1500 HF AMP - QUICK TUNE, DRIVEN BY AN ICOM IC-745. ) Screen Dissipation (Max. Tube 4CX1000A or Röhre 4CX1000A ID30545, Beam Power Tube, TRANSMITTING & Power-TUBES/VALVES in gen and shown. Buy 4CX1000A-NL parts of National Semiconductor Corp. Download. Eimac 4CX1000A 8168 Nice Eimac 4CX1000A 8168 Tetrode F/ Old Ham … Eimac Transmitting Tube 4CX1000A/8168 NOS made in USA NEW unused Still sealed in Box need regetering Replacement tube … Discover top-quality 1000 tubes like Eimac 4-1000A and National Electronics 4CX1000A on eBay. Order Now! Tested by Richardson Electronics on Jun 13, 2025. 4CX1000A RF Linear Amplifier at 30 MHz . Get the best deals for 4Cx1000 at eBay. Used tube in an Eimac Box. A parallel resistor and diode … This is the description page for the Eimac 4CX1000 tetrode power tube download zip file, which contains the entire tube data sheet pages in pdf … Find many great new & used options and get the best deals for National Electronics 4CX1000A transmitter tetrode vacuum tube at the best online prices at eBay! Free shipping for … The 4CX1000A/8168 is a low voltage, high current radial beam power tetrode designed for Class AB1 RF linear amplifier or audio amplifier applications. It's a low voltage, high current tetrode specifically designed for Class AB1 RF linear amplifier or audio amplifier applications, where its high gain and low … The 4CX1000A/8168 is a low voltage, high current tetrode specifically designed for Class AB1 RF linear amplifier or audio amplifier applications where its high gain and low distortion … It is a low-voltage, high-current tube specifically designed for Class-AB 1 rf linear-amplifier or audio-amplifier applications where its high gain may be used to advantage. Page: 1 Pages. On to … View results and find 4CX1000A datasheets and circuit and application notes in pdf format. "A Compact AB1 Kilowatt" amplifier using the Eimac … Part #: 4CX1000A. Key specifications include a maximum plate voltage of 2000 volts, a plate dissipation of 1000 watts, … The 4CX1000A has a grid dissipation rating of zero watts, so any flow of grid current must be guarded against. Also check out other related parts to 4CX1000A-NL. These tubes are designed for use in a variety of applications, including RF transmission and amplification. Its durable construction, long lifespan, and … The Collins 4CX1000 Eimac 8168 4CX1000A Ceramic RF Tube Alpha is a high-performance tube that is well-suited for high-power RF applications. Part 4CX1000A described as Electron Tube comes under FSC having NSN [NSNNoH]. ANTENNA IS A HEX-BEAM, BUT TESTING ON A DUMMY LOAD. Get High-quality NSN Part by National Semiconductor Corp. Including shipping per 4cx1000a tube with … Buy 4CX1000A-NL aviation parts from National Semiconductor Corp at ASAP Components. The 4CW2000A or 8244 is the same tube with a water jacket. The EIMAC JAN 8168 4CX1000A Tube is a vintage transmitting tube manufactured by the well-known brand Eimac in the United States. The 4CX1000A tube is designed to operate at maximum power without driving the grid into the positive region. rating (CW) Amplification Factor Filament/Cathode Voltage Current … Created Date12/2/2003 11:18:56 PM Created Date12/26/1999 7:42:52 PM Login with username, password and session length Home Help Calendar Links Staff List Gallery Login Register The AM Forum > THE AM BULLETIN BOARD > Technical Forum … For 4CX1000A the circuit trips now at +/- 35mA. The screen dissipation is 12w, and at the rated 325v, that would be 36 ma! Of course … Y770 Eimac Air System Tube Socket (NOS/NIB) Modified SK810B, with 2 control grid contact tabs removed to reduce circuit input capacitance. We have a great online selection at the lowest prices with Fast & Free shipping on many items! This amplifier is finally more or less finished. Manufacturer: … 50 Watts Nominal 1500 watts 3:1 100 % 2x VTX-X118 Alpha, (4CX1000A) 30 dB minimum, Two Exciter -50 dBc CW, SSB, FM 100-240 Selectable <13 5mps @240 VAC @1500 watts 50 Ohms Carl is correct. For sale are a quantity of 3 valves. … Similar Items National Electronic 4CX1000A/8168 Tube BEAM TETRODE ELECTRON TUBE 8168/4CX1000A Mfg.