4cx1000a tube. ) 4-400A/4-400C-MFR: Taylor. More Information Coming Soon. He had build a 4CX1000A back in the 70's and has a vast knowledge of electronics. 2 watts drive producing over 1000 watts out. Unspecified. Tube listings by radio in alphabetical order. Tuned input network. Precision state-of-the-art matching for pairs, quads etc for all tubes. ) 1,000 Watts Screen Dissipation (Max. Fixed Price $ 1450. It is a low-voltage, high current tube specifically designed for Class-AB1 rf liner-amplifier or audio-amplifier application. This tube uses a coaxial design and metal-ceramic technology. Lambda/4 system, impedance: 40 Ohm (best possible value!) Computer control. 3 800 20 0. Alpha said that they consider the two tubes interchangeable in their amps. The 4CX1000As were replaced in 2014 with 4CX1500Bs. This amplifier is finally more or less finished. KIC II Y-Connector: HTC-100/Icom10: HTC-100/Icom5: SKU: Tubes: Price: 7200: 7200: Call/Email: 7203: SEE 4CX250B: 7204: SEE 4CX250F: 7209: 7209: 75. Eimac Varian The tube is capable of producing 1630 watts of peak envelope output power at its rated maximum plate voltage of 3000 volts, and two tubes operating in . I . HF / 50MHz. It is better to let the large anode or plate in a tube take the brunt of any mistuning heat . Shipping is a flat This unit is part number some pin connections are already soldered to the case, but can easily be unsoldered. After Service : We offer guarantee of quality for 45-90 Days for all the parts we ship out . 18 oz: Information source I used one 4CX1000A in a 1. or Best Offer +C $74. 4CX1000A tube. Data Sheet . Most of the time I am running my homemade amplifier with a 4CX1000A That tube was originally a spare for a 30S-1 by Collins. ) 0 Watts Frequency for Max. X: 19. The 4CX1000A is in a grid-driven, grounded-screen configuration, and uses two half-wave stripline resonators for grid and High quality FU-100F Metal Ceramic Electron Vacuum Tube Equivalent To 4CX1000A from China, China's leading Electron Tube product market, With strict quality control Electron Tube factories, Producing high quality FU-100F Metal Ceramic Electron Vacuum Tube China 4cx1000a manufacturers - Select 2022 high quality 4cx1000a products in best price from certified Chinese , suppliers, wholesalers and factory on Made-in-China. HL-4000 (2KW) HL-3Kdx (2 KW) HL-2K (1. Featuring: • Power levels up to 250 W to 2. Am looking to home build a single tube 4CX1000A 160 - 6 Meter amplifier: Any suggestions as to circuit details and reading material would be apreciated Most of the information I have found deals with triodes or sweep tubes. May 2021; NOS BEAM TETRODE ELECTRON TUBE 8168/4CX1000A Mfg. Features-4CX12000A/8989 Transmission Tube. FS: WE 417A tubes. t. The 4CX1000A tube is designed to operate at maximum power without driving the grid into the positive region. Therefore, these terms also indicate the number of grids. 2A fuse was installed, and I applied power! The meters illuminated; after the time-delay relay closed, the dials also illuminated. SK-800B Tube Socket Eimac 4CX1000A 4CX1500B. For matching tubes: 7,50 euro p/tube. 150 MHz max full ratings. We can ship the goods to worldwide by DHL/FEDEX/UPS/TNT/EMS or other best possible way. But my own experience has been eye-opening. dissipation allowable for the PL8168/4CX1000A is 1000 watts. Contact Supplier. Click to expand. Graphite Anode. Vacuum Tubes, Inc. Features-4-400A Transmitting Tube, Broadcast / Industrial-400 Watt Plate Dissipation (Max. This . These are not avialable on Eimac's web site in full - only brief notes. Tube Amplifiers. 2 14 0. Handling, and order processing. Les meilleures offres pour NOS faisceau tétrode electron tube 8168/4CX1000A MFG. 5 A heater current at 6. Tube. Sometimes a link is provided to a short summary on Eimac's web site. Call for the transport cost outside . The tube is changed with a 4CX1000A that from 160m - 6m now offers 1500W output power. GU-43B / 4CX1000 - 1250 W. Dimension: 170mmx52mm. Power Supply Metal Ceramic Oscillator Tetrode 4cx1000a , Find Complete Details about Power Supply Metal Ceramic Oscillator Tetrode 4cx1000a,Electronic Tube,Vacuum Tube,Oscillator Tube from Oscillators. The performance characteristics of the 4CX800A allow its use as a high gain grid-driven RF amplifier or as used in grounded grid service. 1 Buliding,Wante Mansion, #487 Yangmuqi Rd,High-tech zone,Ningbo, China. 6 YRS. Removed from working equipment, tested. Click here to download Adobe Reader if you are unable to view the files. Top. 4CX600JB , 4CX1000A/8168 4CX1000K/8352, 4CX1500A antreas555 4CX1500B/8660 , 4CX1500BC 4CX5000A/8170 , 4CX5000J/8909 4CX5000R/8170W , 4CX7500A 4CX40000G , 4CX40000GM, 8930 . Order) Contact Supplier. 5KW) HC-1. We will ship the goods within 3 working days after the payment received. This page describes the construction of the 2m 4CX1000A amplifier from the 1999 edition of the ARRL Handbook. . 1080 Sligh Blvd Orlando, FL 32806-1029 (407) 481-9994 – Toll Free (877) 307-1414 jim@vacuumtubesinc. regulations was important. ANTENNA IS A HEX-BEAM, BUT TESTING ON A DUMMY LOAD. 00) SK-800B Tube Socket Eimac 4CX1000A 4CX1500B quantity. amperex 6CW5 EL86. The general class of a tube, described by the terms “triode,” “tetrode,” and “pentode”, is determined by the total number of elements within the tube envelope. 3 watching. 08 shipping. 6 . Tube life is a lot longer with the glass jug also and was a favorite in BCB TX's up to 5KW out on AM with a pair. View Mobile Number. Use 4CX10000D / 8171, RF output power of 11 KW in key-down carrier on all bands. • Heater, bias, screen . Pre-amp 0. O. Information source. Manufactured in 1967. Manufactured by Eimac. One year warranty. 4CX250B or 7203. Hold the tube still while using the device to test it. AB1 RF linear amplifier operation. It is an ETO 91b by Alpha with a couple of GU74b tetrodes. 0 V. New factory sealed Single tube operation Uses a single 4CX1000A/8168 ceramic and metal radial beam tetrode with plate dissipation of 1000 W (forced air cooled, grid-driven), which is specifically designed for class AB1 RF linear amplifier operation. , The tube is designed for oscillator in the industry high frequency heating applications. Model:High Triode. This is a well built rugged amp that easily gets legal limit with about 45 watts drive, with lots of head room. Click here to download the 4CX1000A data sheet. It was more than 35 SINGLE 4CX1000A TUBE. 03 pF. 8- to 54-MHz amplifier for 17 years with no drop in power output. 75 high, 3. Date Code: 1981. Try our Parametric Search →. When I started this project, therefore, I decided to consolidate all of my big power supplies into two relatively compact versions - one for tubes in the 2. Specifications. pdf (57396 bytes) 4CX1000A Eimac Q~ 4CX1000A. $2,000. Power was measured with a Bird 4712 wattmeter and a 25 KW slug. 4CX1000A is a High Frequency Metal ceramic rf amplifier power tube designed specifically for industrial applications. Waterjet Bricks. MP 572B 4x 340,00 euro stock. Control-Grid Operation — The grid dissipa- tion rating of the 4CX1000A is zero watts. May 2021; January 2019; May 2018; February 2018; November 2017; May 2017; April 2017; February 2017; The GU-74b / 4CX800A Svetlana tetrode is used in wide-band non-tunable amplifiers and for single-sideband power amplification in stationary and mobile RF equipment. Emission not tested. • Maintenance of regulation with line voltages down to 98 VAC and without overheating up to 130 VAC. /water CFM in. Up for bid is all 6 EIMAC 4CX1000A transmitter vacuum tubes, they all look to be “used”. Contact us. Klystron Tube NIB Sperry 417A (96431), guaranteed, $20. 5-3. I have one commercial amplifier in my shack. HRC-60 : Connectors & Cables. S. The amplifier will most likely be never 'tuned . 5 KV class, such as the The tube designed for oscillator in the industry high frequency heating applications. I removed that tube from service last year only to test a new (fleamarket-purchased) tube, and to begin a tube-rotation schedule. The tube can replace YD1212 and ITK70-1. Tube Lore (I) 4CX1000A: Eimac, techn. Top View #3. Performance on 6 meters is similar with 1. 4CX1000A 4CX1500A/B 4CX3000A 4CX5000A 4CX10000D 4CX15000A 4CPX150K 6T51 7T62R E3062 7T69RB 7T84RB 7T85RB 8T25RA 8T85RB 4CE5 4CF6 4CS6 4CX1000A 4CX300A 4CX7 4CY5 4D21 4D22 4D32 4DE6 4DK6 4DT6 4DT6A 4E27 4E27A . About us. 256M SSTL_2 interface DDR SDRAM 143 MHz/133 MHz/125 MHz/100 MHz 4-Mword à 16-bit à 4-bank/8-Mword à 8-bit à 4-bank/ 16-Mword à 4-bit à 4-bank. Benefits: • Worldwide brand name recognition • Over 85 years’ expertise making Eimac 4CX1000A external anode transmitting tube Another toy for big boys & girls. I am also intrested in building a 4-1000A 160 thru 10 meter amp and want to compare the simalarities and advantages of Similar Description - 4CX1000A. 1. /water Cooling air at 25°C 400 6 0. 4CX20000B. com om power, s. Eimac 4CX1000A. Silver plated. $6,550. TUBE 4CX10,000D / 8171. The Acom 1500 fill the breach between the Acom 1000 and the Acom 2000. If you place an in-stock order by 5:00 p. Transaction Level. The 30S-1 is a completely self-contained, single tube, grounded grid linear amplifier. MFR: Eimac. Mirage B-2516-G Amplifier: 2 meters amplifier. The outside is silver plated. Vacuum Tube 4CX1000A / # J PKL 3712. Will ship within one business day of receipt of payment. $15. 3 pcs available. 4CX250K / 8245 Eimac, 7580/4CX250R Tube,Transmitting (nos), 4CX1000A-EI -2. Eimac 4CX1000A 8168 - > 30S-1 sont sur eBay Comparez les prix et les spécificités des produits neufs et d'occasion Pleins d'articles en livraison gratuite! 3500,00 €. We manufacture and export the following all models. Eimac Equivalent Tube Product Description AONOVO supplies electron tubes which is equivalent with Eimac, with reliable quality and more favorable price, widely used in military radar, communication, broadcast and industrial heating field. According to the Eimac spec sheet for SSB linear. After designing and constructing a very good bias and screen supply, vacuum tube regulated with 6146 regulator tubes, drive requirements barely changed. $775 shipped. Matching per tube ($10. 20) United States. Grid currents in excess of 3CX3000A7 33 4CX 1500B/8660 66 8168/4CX1000A 64 8954 93 3CX3000F7/8162 33 4C X3 000A/8169 66 8169/4CX3000A 66 8957/4CX250BC 59 . So I'll add photos of the tubes I have. the VTX-X118 tube the 8410 uses 2 of them too. I dont think there are many coilers powering tube coils with these sort of tubes though. You can use the search to find service types or go to the service type lists that you can access from the page More Tube Related Stuff. Product added! Browse Wishlist. Apparently they must be ok because I doubt Alpha would use them otherwise. Machlett has a storied past, with over 100 years of history in the United States, founded in 1897 as E. f. The tube is cooled by a Dayton Blower mounted on the . We also carry glass chimneys for 3-500 tubes click here. 00 shipping. Audio Repairs: We dont do them but if you visit our showroom it is shared by SG Custom Sound Audio Repair center on Long Island. 95. Warranty 3 mnd on factory mistake. This capacitor is used to tune out the stray reactance from the antenna changeover relay. com, page 9. I would imagine that is true above six meters. Power tubes using this cooling scheme are available up to 150 kW dissipation. For this tube Acom has build in a new stronger power supply. Uses a ceramic and metal radial beam tetrode with plate dissipation of 1000 W which is specially designed for class AB1 RF linear amplifier operation. VT100, CV124). IC-706: Mostly used for 6 and 2 meters ICOM 706 Manual. Ceramic-metal construction with special breechblock base and integral radiator. Penta Labs is the top source for tubes in the medical, scientific, industrial, audio equipment and broadcast industries. allows adjustment for different tubes and conditions. Eimac 4CX1000A external anode transmitting tube Another toy for big boys & girls. We have established a long term specialized sell in Vacuum tube Electron tubes ,Vacuum tubes,Valve Audio tube, Industrial High-Frequency vacuum tube, specified Vacuum tube, Audio Transmitting tube and . , the peak envelop output power will be up to 1630W. These radio frequency power amplifiers offer small signal gain over a temperature range. These pieces of data are essential to indicate 4CX1000A . MP 572B 3x 255,00 euro stock. So I decided at 50 MHz to power on the same tube. 6dB NF, 20dB gain Mirage B-2516-G Manual. Nirmal Texim Private Limited. Tube GU-74B / 4CX800 / 4CX800A tetrode + SOCKET SK1A PL21B-1B NEW NOS. The case is identical with the Acom 1000. 4 rings of fingerstock plus ground plate. Anode voltage 3000 V. 15000 , 3cx15000 , 3cx15000a7 Share Share on Facebook Tweet Tweet on Twitter Pin it Pin on Pinterest. Fig. Remote Controller. The Emtron amps will take these though as heater . 30S-1 SPECIFICATIONS 4CX1000A FU-100F 4CX5000R FU-101F 4CX3500 FU-103Z [Vacuum Tube Cross Reference Table ]Analog Metric www. Front. 33 shipping. I don't need more than 2500 watts, but I prefer lots of headroom. Eimac 4CX3000A / 8169 RF Power The 4CX1000A/8168 is a low voltage, high cur-rent tetrode specifically designed for Class AB 1 RF linear amplifier or audio amplifier applica-tions where it’s high gain and low distortion characteristics may be used to advantage. HP-450. Introduction and Power Grid Tube Selection Guide 4 -15 Planar Triodes 16 -28 External Anode, Forced Air Cooled Triodes 29 -43 External Anode, Vapor Cooled Triodes 44 -45 . RF inverse feedback is used for better linearity. SALE PRICE - REGULARLY $6,900OM Power OM-2000A+, Automatic Amplifier. PDF format. A 1000 watt dissipation external anode tetrode. I would like to add one thing to my review of these tubes, just look at any amp that has gone threw the ARRL lab on a review such as the Alpha 91B, 99 Acom 2000 or 1000 amp and take a real close look at the IMD specs plus spectrum display, They give the gain and power of the Eimac's way overpriced 0 - 5 kV Hi-Pot Tester. I am using 3KV on the anode and have tried several tubes. TUBE 4CX15,000A / 8281. 4C35 4C35A 4C36 4C4 4C5 4C500 4C6_TKD 4C800E 4CB6 4CBC 4CC1 4CE5 4CF6 4CF8 4CM4 4CN15A 4CS6 4CX10000D 4CX1000A 4CX250-B 4CX250B 4CX250F 4CX250R 4CX300A 4CX35000-C 4CX350A 4CX350F 4CX5000A 4CX7 4CY5 4D 4D06 4D1 4D1_Low 4D21 4D22 4D32 4D80 4DA10 4DC I couldn't be happier with the results, both in appearance and performance. 2000-02-15. 12 ] EIMAC TUBE socketアイマック ソケット 4CX1000A 4CX1500Bの購入・売買の前に価格相場を調べてみませんか？オークファンなら新品から中古まであらゆる商品の価格を徹底比較できます！ Eimac 4CX1000A Construction date: 1995. Starting today with 1876, E1T and QQE03/20. who offer lots of related choices such as electronic tube, vacuum valve and electron tube. Price US$ 0. Special Price $279. 8168 4CX1000A Author: Eimac Subject: FP-2012-08-06 Title: 4CX1000A Author: Eimac Subject: JA-FP-2003-12-02 Created Date: 12/2/2003 11:18:56 PM 4CX1000A Eimac Tube Tetrode 1kW With Complete Base Chimney and valve. Various brands available. 8877 (3CX1500A7) $925. All the controls are easily . You can also customize 4cx1000a orders from our OEM/ODM manufacturers. Metal-ceramic transmitting power tetrode at frequencies up to 150 MHz. 9% similar) Up for offer is a johnson tube socket for the 4cx250 series transmitting power tubes. 1PCS - 8168 (4CX1000A) Vacuum Tube - NOS Original. At the same voltage a 4-1000A is around 1300W PEP and its just starting to wake up. 0V. GENERAL CHARACTERISTICS . Top View #2. Review (mpn: 8168-4cx1000a for sale) 8168-4CX1000A Nos Beam Tetrode Electron Tube Mfg Eimac 4cx1000a 8168 30s-1. 1200 MHz to 2400 MHz Quadrature Modulator with . 00: 4-125a-pull: 4-125a pulled from operating equipment: 40. K2VCO 4CX1000A RF Linear Amplifier. Of course IMD products were reduced greatly because the tubes had much better ratios of screen to . 5 kW • Air, liquid, and conduction cooling. Metal ceramic transmitting tube 4CX150F 4CX250B/FG 4CX300A 4CX350A/F 4CX1000A 4CX1500A/B 4CX3000A 4CX5000A 4CX10000D 4CX15000A 4CPX150K 6T51 7T62R E3062 7T69RB 7T84RB 7T85RB 8T25RA 8T85RB 8T87RB 3CX800A7 3CX1500A7 3CX2500A3/F3/H3 3d22: pl172: 6252w: 8117a: 3e29: 264: 6550: 8295a: 5cx1500a: 829b: 7094: 8576: 5cx1500b: 4610: 7234: 8643: 5cx3000a: 5886: 7742: 8908: el34 / 6ca7: 5889: 8068 : kt88 . Air Force Technical Manuals T. 1: Size comparison: 4X150A, To start, here is the data sheet on the Eimac 4CX1000A tube. Alpha apparently has a good continuous supply of them. Tube Tetrode. The 4CX10,000D is identical to the 4CX5000A except for its rated plate dissipation. The power amplifier 6-meter band tetrode. dissipation of 1000 W which is specially designed for class. F. When Eitel-McCullough, Inc. All tube specification sheets are in . 6 Meter 4CX1500B Amplifier. net I took the tubes. The 4CX1000A is an external anode tube of this sort. GENERAL CHARACTERISTICS. , Ltd on valveindustry. Bottom line less expensive more power, and available : ZL4IV Rating: 2016-09-03; Value for money Time Owned: more than 12 months. Cutting-Edge Technology Enhances a Classic Design. ) 1000 W Screen Dissipation (Max. F S D p A L o n 8 6 s T o r e J d G Y. 3-500C $199 each or $395/matched pair. Even the blower is inside the box. Above, Left to right 8295A, 8874/3CX-400, FU728F with socket and chimney, 3CX-800, FU728F, and 4CX1500B. Weight: 2500 g / 88. Order) CN Ningbo Setec Eletron Co. 2 600 12 0. NOS Eimac SK-800B Socket for 4CX1000A and 4CX1500B. This one shows the chassis after all the 4CX1000A parts have been stripped off. US $8. Above that level, water or water-vapor cooling are used. 0 D Including Fan Space Closed Sundays. com or Office # 516 295 0390, Showroom# 718-224-5083. Carl TUBE 4CX10,000D / 8171. Build an HF Linear Amp. Eimac Transmitting Tube Ceramic/Metal Tetrode NSN 5960-01-264-2087. Cathode Driven RF Amplifier at 400 MHz Cathode Driven RF Linear Amplifier up to 30 MHz. Please visit my Tube Amplifier Forum Here's the place you can go to ask tube amplifier questions. Ceramic Power Tetrode. The GU-43B tetrode is used for wideband power amplification at frequencies up to 100 MHz in RF equipment. 00: 4-250a: 4-250a, 5d22: 175. Store. Output is much greater than the 4CX1500B at less cost. C $76. This particular amplifier requires about 10 watts of drive power in practice for 1000 watts of output power with only 1200 volts on the plates which works out to a gain of 20 db. Eimac Power Grid - Quick Reference Data Sheet. Broadcast/Industrial. 0 . 000A, 4CX10000J, 4CX1000A, 4CX15,000J, 4CX15000J, 4CX1500B, 4CX250BM, 4CX250F7204, 4CX250R. 5 25 0. 5 Ampere / Direct : Description: 3500 W max plate dissipation, 5 kW typical power out as class AB1 SSB amplifier. Overall height base of base to anode 135mm. KX2T Rating: 2020-11-09; Great RF tube Time Owned: more than 12 months. TW Seller. Single 4CX1000A tube Uses a ceramic and metal radial beam tetrode with plate dissipation of 1000 W which is specially designed for class AB1 RF linear amplifier operation. Carl. com Prices given are for major brand US or W. The tube is capable of producing 1630 watts of peak envelope output power at its rated maximum plate voltage of 3000 volts, and two tubes operating in . com 38 5Л O38M 5SJ38M 5Л O38N 5SJ38J 8Л O29N 8SJ29J 13 Л O37N 13SJ37J 35 ЛК 2Б 35SX2B 4CX800A is 800 watts. 00: 4-125a: 4-125a, 4d21: 95. 73 Bill wa4lav The 4CX1000A/1500B was never a very popular ham tube due to the expense of tube, socket and chimney, even surplus. and Microwave Components today. 25 diameter Electron tube 4CX1000A is a oxide cathode, air-cooled, ceramic/metal power tetrode designed for Class AB1 RF linear amplifier or audio amplifier applications. ) 12 Watts Grid Dissipation (Max. It is built on a 17" by 17" by 4" Bud chassis. Express Delivery (UPS 2nd Day Air ®) Estimated on or before Mon, 25 Apr to 98837. Filament Voltage 6 +0. The famous PL519, a sweep tube from 1970ies color TV sets, is shown below: In my humble opinion, building at least one tube amplifier . A vacuum tube, electron tube, valve . If you meet a stronger resistance, do not force anymore and go back to recheck (a) and (b). Tubes for antique radio category is a curation of 21 web resources on , Old Radio Parts, The Old Tube Radio Network, Tubes 201. 5KW) HC-200AT (200W) HC-200ATF (200W) Power Supplies. 4cx1000a tubes are designed for exceptionally low inter-modulation distortion in SSB service. C A U T I O N ===== After inserting the tube, please recheck all 16 contacts of the tube screen ring. ; Some tube types end with an underscore (_) followed by some letters indicating the Brand or a number if the 204F-1 Amplifier FOR SALE AS IS Asking $11,500USD Payment via Cashiers Check or Cash will be accepted. 4CX250B/FG 4CX300A 4CX350A/F 4CX1000A 4CX1500A/B 4CX3000A 4CX5000A 4CX10000D 4CX15000A 4CPX150K 6T51 7T62R E3062 7T69RB 7T84RB 7T85RB 8T25RA 8T85RB 8T87RB 3CX800A7 3CX1500A7 made in slovakia om2000+ shortwave plus 50 mhz power amplifier www. 3V. Add to Cart. Here my experience has been surprising given the prevailing wisdom that you must be horizontally polarized for VHF DX. Amplifiers with Tubes. o. FS: EIMAC JAN8168/4CX1000A TRANSMITTING This tube physically shows some handling and perhaps some socket time but was just sent for professional testing and came back exceeding new tube specs. This tube may be Description. US $35. Back. Permanent monitoring and protection of plate and grid voltages and currents, reflected power as well as of the exhaust air temperature. 768 gm net weight. Alpha 8410. Get a quote and buy Electron Tubes and Associated . 2 product ratings - Eimac 3CX1500A7 / 8877 Ham Radio / Broadcast Tube. Base diameter 170mm. Product Specifications. All the new Alpha amps use them. All switching functions, no relais switching under power conditions, soft start inrush, 200 The data sheet for the 4CX1000A gives the following as typical operating conditions. New Tubes and Used Tubes Wanted Bid Lists #85A Page 1 of 7 Vacuum Tubes, Inc. 1 7 0. Plate Dissipation (Max. From an initial cold condition, tube operation will stabilize after a period of approximately 5 minutes. -4CX1000A/8168 Transmission Tube. 00 / Piece. Features tube GU-43B. 00 . ) 1 W Frequency for Max. 4CX350F/8322 Amperex JAN Transmitting Tube Tetrode (Pull) $149. The tube must fully seat in the socket. Up to 160W out. Bottom View #1. Ballast Tube: 2-01C: Signal Diode - one single system: 2-15A/15R-2A3: Power Amplifier Triode: 2A3H: Power Amplifier Triode: 2A3W: Power Amplifier Triode: 2A4: Thyratron Tube (Triode) 2A4G: Thyratron Tube (Triode) 2A5: Power Amplifier Pentode: 2A6: Twin Diode - High Mu Triode: 2A7: Pentagrid Converter: 2A7S: Pentagrid Converter: 2AF4: UHF Triode . They have been put into Abstract: SK-800B tetrode 4cx1000a EIMAC Eimac application note 4 810 audio amplifier SK-800 Text: \carolyn\Desktop\Objects\ 4cx1000a-8168. 3 items found from eBay international sellers. electron Tube Data sheets . European tubes. Delivery : MP 527B 2x 179,00 euro stock. The Pasternack RF power amplifiers have excellent gain flatness ranges and the IP3 output performance. Tube is NEW, NOS and never used before! China 4cx1000a manufacturers - Select 2022 high quality 4cx1000a products in best price from certified Chinese , suppliers, wholesalers and factory on Made-in-China. Description. THE TWO gk. it is an equivalent to 7T69RB. [ Hits: 4746 | Votes: 17 | Rating: 4. Heater measures 9A at 6. Forced air cooling. Metal Ceramic Electronic Tube (4CX1000A) 833, 833A, 833b, Fu-33 Glass Tube High Frequency Amplifier Vacuum Electronic Triode (GU74B) 833A for Glass Vacuum Tube Find Similar Products By Category. The screen grid and control grid currents act as you would expect when increasing . Our power amplifiers are ideally suited for high linearity applications. Bottom View #2. Ceramic Metal , forced-air cooled, radial beam tetrode with a rated maximum plate dissipation of 1000 watts. ” All gridded tubes must have a cathode and an anode. EIMAC 4CX1000A transmitter vacuum tubes, all 6 go for 1 low price. The test data sheet for it on request. 94. Transmitting 572B tube for Amplifiers and Audio systems. All prices are per tube. Top plate 11-15/16" outside diameter. Checkout. 5kW. When launched in 2009 the 8410 shipped with 4CX1000A tetrodes. I like building high power amplifiers with tubes like GU74b, 4CX1000A, GS31b. C $84. 5-4. 45 shipping. This tube may be operated in CW or pulse modes. SINGLE 4CX1000A TUBE. When rated anode voltage at 3KV max. Only the 3. The meter was defective, and an extra hole had been drilled in the front panel. 4. 0: 4-400A (or C) 44: The G2DAF Linear Amplifier: All HF bands. Air is blown through an array of fins attached to the anode, thus cooling it. cpii. This tube is generally considered analogous to the 4CX1000. 00/ Piece. Do not buy if you are serious. Hot Products. 11 KW Linear amplifier by I0JX. Prices subject to change. RF Concepts Alpha 8410: A pair of 4CX1000A tubes pushes 2KW 8410 Manual. New factory sealed I installed the original 4CX1000A tube which came in my amplifier. 4CX1000A 4CX1500A 4CX1500B 4CX3000A 4CX5000A 4CX10000D 4CX15000A 4CV100000C 5CX1500A 5CX1500B CTK12-1 CTK15-2 ITL5-1 ITL12-1 MI-7815 YU Well, I was always unhappy with the 4CX1000A, and, I always wanted a tube with handles! This photo might show you why. 5 to 11. 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 characteristics may be used to 4CW25000A, 4CW30. The tube used is the commercially popular Eimac 4CX1000A. After years of 'getting by' without one, I had a specific need for one - testing 4CX1000A / 4CX1500B tubes for gas . 53) United States. 40. Top View #1. The tube maximum plate dissipation is 4. New. 1000 W anode power dissipation. Eimac 4CX1000A 8168 - 30S-1. Also. Oxide-coated unipotential cathode indirectly heated. The height shows much better in this view than the one below. HF-Amplifier with 4CX1000A build into the cabinet of the amplifier with a GS31b [Show slideshow] Search for:. Used in Gates FM-1H3 and FM-1K1kW FM transmitters. Output network. I was not expecting much o. 1999-10-31. I recently found a very cheap Eimac 4CX1500 B in unknown condition, so we hooked up a few wires and power supplies to check it out. It has thoriated tungsten cathode and forced air cooling of plate. SKU: Y769. Add to Wishlist. amplfier. 00 +$60. and maximum frequency operation is 110MHz. 4 kV max anode voltage. r. There are hundreds of pages of Tube amp information on my library page. Part Number: 4CX1000A / 8168 Call for Availability. HC-1500AT (1. HF-Amplifier with 4CX1000A build into the cabinet of the amplifier with a GS31b [Show slideshow] Search for: Archives. The 9500 uses 2 if them I think and the new 6 meter amp 8406 uses one of them. If you’re interested in having the satisfaction of a fully warranted power tube for far less money than that of new, Email Southern R. or Best Offer. com, page 7. 4CX125C 26 7609 28 8168/4CX1000A 31 4CX125F 26 8245/4CX250K 28 8352/4CX1000K 31 6816 26 4CX1500A8246/4CX250M 28 31 6884 26 4CPX250K 29 8660/4CX1500B 31 . Hi Guys, I have a 2m PA built around the design in the 1986 ARRL handbook chapter 31 using a 4CX1000A. analogmetric. Anode voltage: 3 kV. New Old Stock * No longer available for export. Listing #1583518 - Submitted on 03/30/22 by Callsign W6XI, Modified on 04/30/22 - IP: ip70-177-184-224. MA6V in the clear, up 20 feet. Slip an oven mitt over your hand. Supplier Homepage. The tube and associated circuits should be protected in the event of an internal Svetlana 4CX800A Air-Flow Requirements Plate power dissipation (Watts) Sea level 5,000 feet Air flow Pressure drop Air flow Pressure drop CFM in. OTOH the 4X150/250/300/350 family were very common as military and/or commercial surplus. The choices to choose from are the ACOM 1000 and the ACOM 1500. The intention is to have a 1500-watt output, brick-on-the-key rated amplifier, usable for all modes -- although the chances of me operating any mode other than CW are small. m. GREENSTONE USA has an extensive inventory, which assures you that we will have the products when you need them. company introduces nearly 200 advanced technologic Metal ceramic transmitting tube 4CX150F 4CX250B/FG 4CX300A 4CX350A/F 4CX1000A 4CX1500A/B 4CX3000A 4CX5000A 4CX10000D 4CX15000A 4CPX150K 6T51 7T62R E3062 7T69RB 7T84RB . Machlett & Son, the company was a pioneer in x-ray technology. who offer lots of related choices such as amplifier tube, rf power triode and rf power tube. C $75. cox. Tetrode Electron Tube, P/N 8168 / 4CX1000A (Goes into Collins 30s-1 linear amplifier). voltage on the tube is the sum of the applied plate voltage (in this case 2800 Vdc – above ground) and the minus 200 volts (200 volts below ground) on the cathode for a total effective plate voltage . 200. Correct tuning and loading are indicated by a zero reading on a full scale multimeter. 5 kW, manual-tune, 100% duty-cycle, linear HF amplifier. Products. 8168 4CX1000A Author: Eimac Subject: FP-2012-08-06 Electron Transmitting Tube 4CX1000A/8168. 160 m to 6 m. service, this tube will last virtually forever. Most all Pasternack RF power amplifiers are EAR99. IC706 only puts out 10W, so best I do on 2 meters is ~ 80watts. Cheap Other Electronic Components, Buy Quality Electronic Components & Supplies Directly from China Suppliers:Vacuum electron tube FU729F equivalent to 4CX1000A power tube Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. pdf (486631 bytes) 4CX1000A (= 8168) Eimac Q~ 8168. With slightly more drive power and with the rated 3000 volts on the plates 4. Henry used Greenstone exclusively in the last 7 seven years of their amplifier production and for replacement in all amplifiers. 00. FS: Eimac 8168/4CX1000A TUBE This NOS tube is still in the sealed original bag it came from Eimac in. 4 Vintage Vacuum Tubes Four Radio and Tv Electron Tubes, Electronic Parts in Glass and Metal, Guitar Amp or Amplifier Tubes 06032 . While the Eimac 4CX1000A tube data shows a recommended typical Screen Voltage (bias) of 325 Vdc, the 30S-1 employs a more conservative static . For many years for DX & Contest QSO on HF I used GU43B tube amplifier, and it was very reliable. The web site on which this is found is an excellent introduction to tube amplifiers: 400+ Watts: 41. This tube are ready to go. Because Alpha also sells an amp that uses the 4CX1500B (8406 6 M amp) I thought someone made a mistake and I called Alpha about it. High Frequency Metal Ceramic Power Tetrode (4CX10000D) . , merged with Varian . The Chinese now make new 4CX1000 tubes. NOS BEAM TETRODE ELECTRON TUBE 8168/4CX1000A Mfg. 0 V Current 9,0 A Capacitance Grounded Cathode Input 81,0 pF Output 11,8 pF Feed through . OM Power OM-2000A+ - SALE Heavy Duty Legal Limit HF and 6 m Automatic Amplifier - 160 m to 6 m. We are working to return the backlog of repairs that were in process when we were forced to cease operations because of Covid-19. 25/10 4T100 FU-13 . Related Integral radiator. Maximum working frequency 110MHz. Details Add to cart. The design features which make the tube capable Of maximum power operation without driving the grid into the positive region also make it nec- ACOM 1500 HF AMP - QUICK TUNE, DRIVEN BY AN ICOM IC-745. Price US$ 200. The highest-power tube currently available is the Eimac 4CM2500KG, a forced . Full QSK-ready FU728F Tube. The cabinet size is 17" wide, 17" deep and 14" high. 3CX10000H3 3CX10000D3 3CX15000H3 3CX15000A7 3CX20000H3 3CW20000H3 3CW20000A7 4CX250B 4CX250FG 4CX350F 4CX300A 4CX1000A 4CX1500A * two tubes The 4CX1000A/8168 is a low voltage, high current . With a history of producing high quality products, we can help you with your tetrode. Associated Tube: 4CW2000A/8244 Associated Tube: 4CX1000A/8168 Associated Tube: 4CX1500b/8660 Brand: Eimac $20. Eastern Standard Time, we Ningbo Setec Electron Co. 4CX1000A Tentative Data Sheet (1957)4CX1000-A 4CX1000A/8168 Data Sheet (1967)4CX1000-A, 8168 4CX1000K/8352 Data Sheet (1964)4CX1000-K, 8352 4CX1500A Data Sheet (1971)4CX1000-A 4CX1500B/8660 Data Sheet (1966)4CX1500-B, 4CX1500B, 8660 4CX3000A/8169 Data Sheet (1963)4CX3000A, 4CX3000-A, 8169 4CX3500A Data Sheet DX Engineering GU74B/4CX800A Ceramic Power Tetrodes are high performance ceramic/metal tetrodes with a plate dissipation rating of 800 watts. These NOS (new old stock) tubes are direct replacements for use in . The 4CX1000 is a tetrode and requires a separate screen supply. This is a tube lot I'm auctioning for my tech. EIMAC 4CX1000A, registered as 8168, is a power radial-beam forced-air cooled transmitting triode. 54 (approx EUR 113. The 3501A with the GU78B is very appealing to me, I love the heavy duty 2x 3kVA transformers, but the price difference between the 3501 and 4001 is very minimal, but I really dont need the power of the 4001 and Im still not sale of electronics parts for radioamaturs, tubes,amplifiers,sockets : tubes and rf parts antreas555 : HOME . Y-769/4CX350F/8322 Eimac Transmitting Tube Ceramic/Metal Tetrode NSN 5960-01-264-2087 (NOS) Regular Price: $299. 4CX1000A - Tetrode tube . Toss in the 8072/8121/8122 which also has negative screen current issues. Price: EMAIL or CALL **Not available for online purchase. SK806. This tube has low IMD qualities and is a great tube for SSB service. Worse, it has a very fragile control grid. The original Alpha amplifier was missing its two 8874 tubes, and the bandswitch and tuning capacitor had been badly arced and melted. Get the high competitive factory price, meet the high quality China Valve Manufacturers like Zhejiang Setec Co. OM Power OM-2501HF - SALE Heavy Duty Legal Limit HF Manual Tune Amplifier. And then we used VR tubes. The GU-84B (GU84B)Svetlana Power tube is a ceramic-metal forced-air cooled tetrode intended for use in power amplifiers with distributed amplification and for SSB-signal amplification with output power up to 2. Tube protection Permanent monitoring includes protection of plate and grid voltages and currents, as well as . Used/tested. The online parts store is CLOSED. C $33. 5-9 A at 9 V. You will notice much less rattling if the tube is broken. ISRAEL Seller. pdf (1123164 bytes) 4CX12000A (= The Collins 30S-1 is a single final tube (Eimac 4CX1000A), grounded grid linear amplifier with frequency coverage consistent with the 32S-1 and 75S-1. richiedi informazioni su questo prodotto. 30 MHz operation, full ratings, up to 110 MHz at ITEM DESCRIPTION Tetrode Electron Tube, P/N 8168 / 4CX1000A (Goes into Collins 30s-1 linear amplifier). Frank's Electron tube Pages 1 year ! Photos of tubes. Descubre la mejor forma de comprar online. The chart above shows both anode and screen dissipation versus anode impedance for three levels of drive (Ec1_max). We are not accepting new repairs until we have cleared the backlog of units UNLESS it is a warranty repair. ) 12 W Grid Dissipation (Max. 00 Minimum for shipping. EIMAC 4CX1000A + 3lots 417A, 6197, Collins 12AU7 tubes. $100. 83 (approx EUR 33. Hi-pot testers are very useful tools for testing breakdown voltages of various components. who offer lots of related choices such as electronic tube, vacuum tube and amplifier tube. US $122. Hold onto the suspect tube as you use your device, such as by playing a note on the guitar hooked up to the vacuum tube amplifier. com 25 4H32 EG1-1. The 8169/4CX3000A must produce a minimum of 5300 watts in Class ABI service with 1M distortion at least 32 db down, 3rd order. The design features which make the tube capable Of maximum power operation without driving the grid into the positive region also make it nec- China 4cx1000a manufacturers - Select 2022 high quality 4cx1000a products in best price from certified Chinese , suppliers, wholesalers and factory on Made-in-China. A parallel resistor and diode combination in series with the grid bias lead prevents positive grid current during tuning but permits values of negative grid current without changing the fixed bias during normal operation (see Fig. That's a 4CX1000A, a YC156, and a 4-400A for comparison. Here is the RCA data sheet in type tubes; hence, the term “Power Grid Tubes. Top ring 8-1/2" inside diameter, second ring 8-1/16" inside diameter, third ring 7-9/16" inside diameter, bottom ring 7-7/64 . The product is already in the wishlist! Enormous transmitting tube socket. Standard Delivery (UPS Ground) Estimated between Mon, 25 Apr and Thu, 28 Apr to 98837. Please to view or other auctions! 11/1/03 Powered by The free . 1 post • Frank's Electron tube Pages - Tube type List. before The tube which satisfies the technical requirements of the project “Tsunami” for sure without reaching its limits is the 4CX10000D. ₹ 3 Lakh / Piece. Eimac 4CX1000A 8168 -> 30S-1 NOS BEAM TETRODE ELECTRON TUBE 8168/4CX1000A Mfg . 00: 7211X: 7211X: Call/Email: 7212: 7212: 25. To the right of the main tank coil is a small trim capacitor mounted on the inside wall of the cabinet. Grid voltage -60 V. Greenstone USA Tetrode Vacuum Tubes contain either Oxide-Coated Unipotential or Thoriated Tungsten filaments. It also requires forced air cooling. Amplifier power supplies are heavy and unwieldy and typically take up precious space on the floor behind an operating table. As stated on the data sheet it should perform all the requirements of a new tube. I am also intrested in building a 4-1000A 160 thru 10 meter amp and want to compare the simalarities and advantages of As in illustrative example, operating parameters for a 4CX1000A tube under various conditions are shown below. 4 kW at audio frequencies. The 8877 filament must be allowed to heat up for several minutes before applying plate voltage. from Israel. 0: . g. Khushkhera, Alwar, Rajasthan. plus shipping Contact: Jerry Rubbo, 127 S Cedar Hollow Rd, Paoli Pa 19301 . This homebrew six-meter linear amplifier started off life as a "junker" Alpha 76PA h. Cathode voltage 0 V (cathode grounded for DC+RF) Output power 1630 W. All prices are . rating (CW) 110 MHz . The 2100 is a beast, with the same tube as the ACOM 1500 (4CX1000A), but with a bigger Xformer running ~700 more volts on the tube (ACOM 1500=2880V and 2100=3580V), it is capable of 2400W, will do 1500W on RTTY and digital modes with no time limit (with an optional . Replacement tube 4CX1000A/8168. 6 . Output RF arc protection is employed. 4cx1000a / 8168 cpi | 4 c W50,000J For information on this and other CPI MPP products, visit our website at: www. At its rated maximum plate voltage of 3000 volts, it . My two amps use the FU728F's, DX-2sp & DX-3sp. 5 watts supplied to the transistor through the attenuator), output is slightly over 1000 watts at 144. Run it with 4-6KV and up to 3-4KW is easy. 77 shipping. The following list shows the tube types I have entered in my database, with exception of the service types (e. Note: Please contact EECTECH for 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. Excessive grid current in metal oxide cathode tubes (ceramic tubes with indirectly heated filaments) like the 8877 and 3CX800A7 can damage tubes in less than a few seconds; whereas most anodes will tolerate severe overloads for 15 seconds and longer. POWER TETRODE 4CX1000A/8168 SHORT FORM SPECIFICATION Plate Dissipation (Max. Call +91-7942553142. Peak output power 1630Watt 3000Vdc at 30 MHz. Power Supply Metal Ceramic Oscillator Tetrode 4CX1000A. During tuning, plate dissipation may be permitted to rise above the stated maximums for brief periods of time. rating (CW) 110 MHz Amplification Factor Filament/Cathode Oxide-coated Unipotential Voltage 6. Any amplifier tube will last quite a while in a well designed amplifier as long as it is not abused! A 3-500zg, 4-400, 4-1000, 811A, or 572B can be blown within a very short time in the hands of an inexperienced operator. Uses a single 4CX1000A/8168 ceramic and metal radial beam tetrode with plate dissipation of 1000W (forced air cooled, grid-driven), which is specifically designed for class AB1 RF linear amplifier . Fits Harris / Gates transmitter. At the core of the ACOM 2100 & the ACOM 1500 is a classic HF amplifier design, employing a Single 4CX1000A tube. 0 Pieces (Min. The 1000 uses a single Svetlana 4CX800A (GU74B) high-performance ceramic-metal tetrode with plate dissipation of 800W. The Tubes can be as low as 200 (USD), sometimes, 400 (USD). Transmission Tube. com. 4CX1000A AMP: Is this circuit typical? I'm not very knowledgeable on the big amps. This is a suitable replacement for any 6CW5=EL86 Power Amp Pentode tube type. tube is influenced by many variables in most applications, such as Stray capacitance to the chassis, capacitance added by the socket used, stray capacitance between tube terminals, and wiring effects. item 1 NOS BEAM TETRODE ELECTRON TUBE 8168/4CX1000A Mfg. 5 kW at frequencies up to 75 MHz. . The tube is also recommended for use as a Class-C radio- frequency power amplifier and plate-modulated radio-frequency ACOM 1500 amplifiers utilize a single 4CX1000A ceramic and metal radial-beam tetrode vacuum tube with plate dissipation of 1,000 watts. Location No6 B. 1999-12. I am listing as a pair will sell separately. line of vacuum tubes and accessories, including recti- fiers, triodes, tetrodes, pentodes, pulse modulators, and associated equipment. Warm up time: min. Hombrew project to build an HF linear amplifier whose output is 210W for 16W of drive on 80M and max output is 300W. 400W: 40. 25/10 4H73 EG1-1. Brand: SETEC; Product Code: 4CX1000A; Availability: 2 Weeks; Qty Add to Cart. Amplifier Tube (FU-728F, 4CX1500B, 4CX1000A). om-power. For Broadcast/Industrial use. ONLY, push carefully the tube (holding its plate heat sink) in order to insert the tube in the socket. With my TS2K (and now my IC-9700) set to 50 watts out (1. Input capacitance: 103 pF. GREENSTONE USA has been a leading supplier of vacuum products such as vacuum capacitors, vacuum tubes, vacuum contactors, vacuum relays and vacuum interrupters for the last 25 years. The 1500 uses a single 4CX1000A tube - a ceramic and metal radial beam tetrode with plate dissipation of 1000 W. 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. Filament Current 9A. The horizontal magenta dotted line represents the maximum rated dissipation (1000 W for the anode, 12 W for the screen). The GU-74b is fully equivalent to the modern 4CX800A tube. Max frequency:30Mhz. Screen voltage 325 V. 31R2-4-173-2 Change 1 - 15 March 1970 (includes The Tube amp Library of information Click the link above for Tube amp info, Schematics, Board building information, Projects, Mods, Transformer diagrams, Photo's, Sound clips. These tubes required about 130 volts of control grid bias when screen voltage was applied. Introduction: The amplifier was designed for a QSO using EME, TEP and multiskip Es. htm 12/29/2008 - , Eimac Power Grid Tube - Quick Reference Data Sheet Page 1 of 1 4CX1000A /8168 The Eimac 4CX1000A /8168 is a low voltage, high current tetrode specifically designed for Class AB1 RF linear . 3CX2500A3 or 8161. For operation in pulse mode, the parameters depend on each equipment characteristics. UNTESTED REMOVED FROM WORKING TEST EQUIPMENT, WAS USED AS A SERIES REGULATOR. You can click on after the tube type number to see it. 00-$500. 2. ACOM 1500 specifications The FU7069F is a ceramic-metal triode. It provides full legal power input for SSB (1kW average) or 1kw input for CW, requiring 70 to 100 watts excitation. sku: tubes: price: 4-65a: 4-65a, 8165: 70. GENERAL DESCRIPTION. Output capacitance: 13. The larger cooler also allows the 4CX10,000D to be . 5KAT (1. PRICE INCLU. SKU: 8322-P. New unused in original packaging. Model Qty Tube Description 136B-2 4 6U8 Noise Blanker 30K-1 1 4-125A Transmitter 30K-1 2 5R4 30K-1 2 6AG7 30K-1 1 6B4G 30K-1 1 6H6 30K-1 1 6SL7 30K-1 2 6SJ7 30K-1 1 6SN7 30K-1 2 75TH 30K-1 2 807 30K-1 2 866A 30K-1 2 VR105 30K-1 2 VR150 30L-1 4 811A Linear Amplifier 30S-1 1 12AL5 Linear Amplifier 30S-1 2 3B28 30S-1 1 Tubes 2x VTX-X118 Alpha, (4CX1000A) Inter Modulation Level 30 dB minimum, Two Exciter Harmonics -50 dBc Mode of Operation CW, SSB, FM Input AC Voltage 100-240 Selectable AC Current <13 5mps @240 VAC @1500 watts Input Impedance 50 Ohms Output Impedance 50 Ohms RF Connectors SO-239 Cooling Forced Air Size 17. It was built by a friend to a very high spec and looks like an exact copy of the original design. Transfer capacitance: 0. 93030 báč 126, slovakia contact : +421 905 321 410 Electron tube BW1608J2F BW1608J2F Products Made In China, China Manufacturer. 3: 75W RF input drive, 900W DC plate input, 550W RF output to the dummy-load. Every effort has been made to insure the accuracy of this reference, however, I assume no liability for the results of using information contained herein. When my invoice was e-mailed, instead of listing 4CX1000A's, it said 4CX1500B's. It covers the 160 through 10 meter amateur bands. If you have any questions please email us at: or call Michael at 1-866-MHZ-ELEC(1-866-649-3532) Toll Free. GU-84B (GU84B) as well as for power amplification at frequencies up to 250 MHz with output power up to . info@newtube. For the Acom 1500 - 2100 ore for different amplifiers. Tube protection Permanent monitoring and protection of plate and grid voltages and currents, as well as of the exhaust air temperature. , Ltd. So with guidance in the technical department, and my mechanical . Oscillator Vacuum Tube Triode Valve For HF Induction Welder. The amp now runs two 4CX1500B tetrodes in parallel in AB1 class (no grid current). automatic protection against overheating in accordance with specifications of the tube manufacturer. I discovered that scanning actual tubes is quite possible. Amplifier Power Tube (4CX1000A) 4CX1000A is a High Frequency Metal ceramic rf amplifier power tube designed specifically for industrial applications. It's likely made by Eimac, but there is no part number. Features: • The entire amplifier is contained in one box, except for the HV supply. eimac 4cx1000a Is Similar To: Ef Johnson 4cx250 124-115 Socket Eimac Tube (30. Electron tubes. Model numbers include 4CX250B, 4CX350A, 4CX1000A, 4CX1500A, 4CX1500B, 4CX3000A, 4CX4000A, 4CV100000C and more. 160 - 10 m. 1 Piece (Min. Click to enlarge image. Two tubes in push pull give 12. 0 KV class, such as the 3-500Z, 3CX800, and GU74B, and one for tubes in the 3. Please enter the tube number: This database contains data on thousands of tubes. Used * No longer available for export. China 4cx1000a manufacturers - Select 2022 high quality 4cx1000a products in best price from certified Chinese , suppliers, wholesalers and factory on Made-in-China. ITL12-1. ph. [Vacuum Tube Cross Reference Table ]Analog Metric www. 4CX1000A/8168 . Quote: Is it possible to use a Eimac 8168/4CX1000A tube for a Tesla coil circuit? Probably not. The Final is a single 4CX1000A Radial Beam Tetrod. JIENENGDA company is the sub-company of Beijing Electron Tube Factory, and we in charge of the exportation to all the world. 9. Note the 4CX1500B is about 3/8" shorter than the FU728F in the anode area. Russian and Mazda tube number systems. Eimac 4CX1000A 8168 -> 30S-1. If necessary, please contact us in the following ways: TEL: 0086-0547-86879816. In 2011 I purchased a Cushcraft MA6V vertical that covers 20 to 6 meters. Heater: 8. 2KW) HL-2400 (1KW) HL-1Ka (500W) HL-1K/6 (500W) (6M Amp) Antenna Tuners. These tubes are eimac8168 4cx1000a they brand new. Uses a ceramic and metal radial beam tetrode with plate. Communications & Power . C $875. Address: Room601,No. 00 1pcs - Eimac 8168 4cx1000a Vacuum Tube - Nos Original. 3 pF. View request (0) Download PDF; 4CX12000A/8989. As of September 2020 we are open for business on a limited basis. Add to cart. 4CX1000A / 8168 - Transmitting Tetrode - Click to enlarge . To me, this much more important than having more power output and a higher IMD . Mfg date on the tube is 7312. MFR: Amperex/JAN. 4CX1000A (= 8168) RCA (HB3) Q~ 8168. Got the itch for a new amplifier to replace an Alpha 8410 (2x 4cx1000a). It is useful at full ratings through 250MHz. The sockets (bases) tend to be pricey and the need for continuous air and good power supplies can be a put of, though I know that Richard Craven has built a tube coil powered by a 5CX1500 power pentode As for the ubiquitous KT88 there are plenty to be seen . 180 seconds. I take FF-PayPal, Postal MO and Check. In 1934 Machlett Laboratories was created to begin . We manufacture the following all . Zip:315040 We have had good performance from Greenstone tubes. com, or contact: CPI Microwave Products Division, Eimac Operation,607 Hansen Way, Palo Alto, CA 94303 China 4cx1000a manufacturers - Select 2022 high quality 4cx1000a products in best price from certified Chinese , suppliers, wholesalers and factory on Made-in-China. SETEC 4CX1000A Ceramic Tetrode Tube Amplifier. You are visitor number I have for sale a Collins 204F-1 HF amplifier complete with all tubes, spare set of used Eimac 4CX1000A final tubes, one new UG-999A/U N-connector adapter and U. Apparently this is some kind of classic, or reference, project. The following photos show the progress as I stepped through the conversion. The tube is designed for use as cathode driven Class AB 2 or Class B amplifier in audio or RF applications including the VHF band or as a cathode driven plate modulated Class C RF power amplifier. Tube protection includes permanent monitoring and automatic protection of plate and grid voltages and currents, as well as the exhaust air temperature. Tube #2 is much better - I obtained a gain of about 7. 3CX3000A7 $850. 3 W x 7 H x 21. This compact little amplifier is the brain-child of Pat Murdoch, ZL1AXB, in Auckland, New Zealand. Find many great new & used options and get the best deals for Eimac 4 CX 1000 a 8168 Ham Radio Broadcast Tube on at the best online prices at eBay! Free shipping for many products! Skip to main content . 00: 4 . 00: 7211: 7211: 90. 00-$10. 00 for single tube if the tubes are removed from factory seal:ed package I will not accept back. Top View #4. New tubes must be in their original boxes. GU-43B ГУ-43Б VINTAGE RUSSIAN POWER TETRODE TUBE NEW FACTORY BOX 4CX1000. pdf (928884 bytes) 4CX1000K (= 8352) Eimac Q~ 8352. The loading control and PA tuning control are simply adjusted to obtain zero meter indication. ITEM DESCRIPTION Tetrode Electron Tube, P/N 8168 / 4CX1000A (Goes into Collins 30s-1 linear amplifier). 4CX3000A RF Amplifier at 30 MHz. To control the actual capacitance values within the tube, as the key component involved, the industry and the Military Services Integral radiator. Learn more. It is not damaged in any way. This tube is unique in that a production test is included to insure minimum distortion products. flow rate 40 l/min G ½" - G 1" MPF 100 max. 3CPX5000A7, 3CX5000A7, YC156, 3CX15000B7, 4CX250B, 4CX250A, 4CX1000A, 4CX1500B, 4CX10000J etc. Zero signal anode current 250 TRANSMITTING & Power-TUBES/VALVES in gen Filament: Vf 9 Volts / If 41. I like it! Send me a quote. 4CX1000A = 1680W out tops and that is maxed out at 3000V. HF-Amplifier with 4CX1000A. 1 kW plate dissipation with forced-air cooling. Tube protection. Its increased dissipation capability, resulting from a larger cooler, is most useful in linear applications where plate dissipation is generally the limiting factor. The Alpha 8410 is a twin-tetrode, 1. $ 35.


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