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3cx800 replacement

3cx800 replacement

I have lots of 6sl7's but no 12sl7's. Locate 3cx800 on sale below with the biggest variety of 3cx800 anywhere online. Type: All-mode HF linear amplifier: Frequency range: 10-160 m: Voltage: Mains: Current drain:? Drive power: 35-65 W for full output: Maximum output Quality Soviet tubes for sale - made in USSR for military and acoustic needs. This is a clean and fully functional radio. Yikes. Incidently the A7 is still available although the price of around 1800 to 2000 per tube. Jon WA1HZK: I see them on E-Bay all the time.


The 8877 will easily deliver 1500-W RF output with the drive levels Technical review : how to select an HF tubes amplifier ? Why using so much power ? This is a pertinent question. . Yes, you may supply an amplifier for conversion, but in some cases when customers buy units on EBAY or elsewhere and have them sent direct for conversion, there is no Tubes and RF Components for sale. However, I don't have data sheets for all tubes. 5-15w ssb. The triode has lower power gain than tetrodes, but can achieve output power up to 1.


220vac 15a. One tube went bad. Hopefully this will be the last word on the tubes. Could I use the 6F6 3cx800a7 replacement | 3cx800a7 | 3cx800a7 datasheet | 3cx800a7 specs | 3cx800a7 substitute | 3cx800a7 medical pulls | 3cx800a7 bias | 3cx800a7 used | 3cx800a7 Got the 961 supply fixed this evening. hf ldmos amplifiers for sale. 800w on 6m.


MSC Industrial supply is here to support all your metalworking and maintenance repair needs with over 1 million products in stock and ready to ship today! here is my alpha 76pa converted to pair of 3cx800a7 MaxiMuM Ratings typical OpeRatiOn class of type of service plate plate plate screen plate Drive Output Operation Voltage current Voltage Voltage current power power 3CX800A7 Hi Mu Power Triode Heater/Cathode Operation - The rated heater voltage for the 3CX800A7 is 13. The 3CX800 requires a 13. replacement or repair under this warranty must be paid by the purchaser. 00: 01C: 01C: 50. Shop a large range of 2 inch collets at MSC Industrial Supply. 1, an ssb signal from the output of a high-frequency or vhf transmitter (here considered to be the intermediate frequency or i-f) is mixed with a higher frequency carrier (the local 3cx800a7 replacement | 3cx800a7 | 3cx800a7 datasheet | 3cx800a7 specs | 3cx800a7 substitute | 3cx800a7 bias | 3cx800a7 used | 3cx800a7 price | 3cx800a7 tube | 3 Mazda 3 6 5 MX-5 Miata CX-7 Replacement Front Bumper Fog Lights Lamps PAIR.


RuTubes. 00 at the high end and $50. Power tetrode 0. I won't make a guess about life expectancy, never owned a 3cx800. You used adapters for your tube rolling, but were they also converters, as in voltage converters. com goes on vacation from 11 to 27 April 2018.


World Tube Company. We have over 6,000 different NOS part numbers in stock. 1. We work out the trending price by crunching the data on the product’s sale price over the last 90 days. 00: 01B: 01B: 50. 5V filament transformer but these are readily available as medical pulls.


25mW. The Rusky ugly tubes are about $125. We accept foreign orders. 16"x16"x8". 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- A healthy 3CX800A7 from Eimac will require about 30 mA of grid current for 800 watts out. N4UQ offers upgrades and repairs to many Amateur Radio amplifiers manufactured by Alpha Power.


I could get the legal limit on the lower bands with reasonable drive. qex 3_00 1691 mhz down converter for wefax 8877. BMI Surplus offers a broad range of used and new Electronic Parts Equipment and Vacuum Tubes that are in stock and ready to ship worldwide today. - eHam. Amplification, rectification, switching, also processing or creation of electrical signals. Ameritron could purchase standard .


Asking $400 including shipping in the CONUS; others by arrangement. 6% similar) Note the socket assembly can also be supplied without the silver strapping if the buyer prefers as we have both versions available. 2xblf188xr amplifier. Used Tube Amplifiers classifieds in America. Is there any advantage to buying a KING CONVERSIONS amplifier “ready to go” as opposed to having a unit sent in for conversion? A. We would like to show you a description here but the site won’t allow us.


C $44. The first Taylor “matched pair” from RF Parts yielded one bad and one good tube. The biggest and best ham radio classifieds on the web! Buy, sell, trade HF and VHF equipment, towers, antennas, rotators and more! All information, images, and documents on this website are the sole property of MFJ Enterprises, Inc. Showcasing centering short available for purchasing here online. We actually have Twelve Million vacuum tubes in our inventory. low pass filter.


Mazda 3 6 5 MX-5 Miata CX-7 Replacement Front Bumper Fog Lights Lamps PAIR. eBay logo: Shop by category. Shop by category. Only at eHam. The Svetlana 3CX800A7 is a direct replacement for the model 3CX800A7 manufactured in the United States. Many of these are electron tubes that are new old stock, having never been used, and are provided with test reports.


00 on a couple of web sites. A single 3cx800 is capable of about 1. PayPal Need to send us a PayPal Payment? Click the "PayPal" button below. The 3CPX800A7 can be considered the same tube for this job. 00: 0A2: 0A2, 150C4, CV1832: 4. Thnx Bob WB5APD North Ga The 4CX800/3CX800 also have a lot of gain, so you can also back off on the e***r power, so it isn't running full out.


5w max cw. Enhanced packaging for additional protection during transport. RF Parts wants $525 each for Svetlana's and "Call" for Eimac. The socket for the above is the same as the 8875 so all that remains is cooling it. net is a Web site dedicated to ham radio (amateur radio). At 1500 watts RF output and 60% efficiency (typical for the Alpha 78), the anode current runs around 1.


After a decade Save eimac 3cx800 to get e-mail alerts and updates on your eBay Feed. We carry premium hand selected vacuum tubes for guitar and HiFi amps. QTH. Shop with confidence. jnswers on you' lest. OTOH the Alpha 8410 is capable of making serious power as is the AL-1500 and the 3 hole 3CX800 amps.


Running gear at reduced output is quite popular in remote areas where spares/replacement parts are costly to obtain. Where possible, Eimac data sheets are provided, as Eimac tubes are used by so many hams. SECTION 1 INTRODUCTION 1. Skip to main content. Best tubes for this model: Power tubes = 6F6 / 42 / Russian 6Ф6С / 6F6C Cobra. This is a standard precision resistance.


00 SKU: Comet CV05C-500W/5 NEW Add to cart Ameritron Replacement Ceramic Tubes includes the 3CX800A7 for the Ameritron AL-800 amplifiers, and the 3CX1500A7 also known as the 8877 used in the Ameritron AL-1500. 5kw pep ssb. For example, there are dozens of grid and cathode (electron emitter) designs. Some technical and maintenance issues regarding the IC-781 and IC-R9000 by Traian Belinas, YO9FZS When Icom released their IC-781 HF transceiver and IC-R9000 receiver, these were the best radios available to the amateurs. The regular tube 3cx800 may well hold out OK at 3200v, although I have no personal experience with that, apparently Carl does. What's the difference? Well, I believe the inter-modulation distortion and some other specs are better for the Eimac tube.


5 times the power output of a 3-500. Part Number: 3CX800A7 IPA Tube . Once upon a time, however, power tubes where the engine that drove the entire operation. Specification of Commander 50MHz Amplifer W6JKV's Amplifier. qex 3_93 no tune driver for 432 mhz. I don't think there were many complaints about it.


The 1296-MHz transverter operates like a receiving converter or mixer in reverse, and at much higher power levels. Technical Support; Replacement Parts; Upgrades; For Sale / Used equipment listings. Founded in a small, rented hotel room in 1972, MFJ Enterprises has grown into a worldwide leader for amateur radio components. As the ham radio hobby has evolved, MFJ has continued to develop new products to meet the needs of amateur radio enthusiasts. While the tubes and the power supply in the Alpha 78 are up to the job of delivering 1500 watts of CW RF output power, there are a couple of other problems that crop up at this level. No political party wants up within these systems often hostile truth The circuit design of "Black voice " is very concise, whole unit only took three tubes, the input stage and amplified by the two pairs of polar transistor 6N3 (or 5670) to constitute SRPP amplification circuit, each one just only for a channel 6N3.


30; Buy It Now Save 3cx800 to get e-mail alerts and updates on your eBay Feed. . Formerly BOI AudioWorks. * Error * You did NOT enter a way for us to contact you. Surplus Components – Military Surplus, Parts From Working Equipment, New Old Stock, Components 500 pf, 5 KV Peak, Comet CV05C-500W/5 NEW $ 495. We are seeking replacement chimneys.


I certainly am not familiar with many ceramic tubes, so that's not a very good comparison really. Every design is a compromise of some type, designed to better fit a few specific applications. Since I deal in surplus, my stock rotates weekly The replacement has been fine > for a couple of years. net. It finally happend…. Raising the plate voltage reduces the grid current for the same power output so since the grid is really the sensitive spot on these tubes the higher plate voltage isn't a bad thing.


Links to Lunar-Link Pages. My tube rolling has come to an end. EIMAC 3CX800A7 product reviews by real people like you. N5DUX Ham Radio PDFs All works are copyright of their respective owners. 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. 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.


I have found the Ameriton AL-1500 uses the 3CX1500, are there any other manufactures that use this tube, that I could find on the used market? I am also technical and could convert a older amp to the 3CX1500, I was thinking that the specifications on the dual 3CX800 amplifiers might be a good canidate for conversion to the 3CX1500. This is why Ameritron used a 450-ohm, 1 mA, 450 mV meter. Sovtek now makes a direct replacement, the 7591EH. It is about 3/16" larger in diameter than the original 7591A, but works fine. So you can stop wandering around the Internet! We are the only tube supplier you will ever need. SKU: Tubes: Price: 01A: 01A: 50.


- Colorado USA: Price and Delivery Quote. It worked just fine after the replacement but a matched set of tubes is always recommended. rated 1kw cw and 1. How to exchange the GU74b / 4CX800 tubes on your Alpha91b (Alpha99) Amplifier. Surplus / Used / Consignment; User Triode data sheets. Split-IF is the standard for high-performance transverters on the 50-, (70-), 144-, 222-, and 432-MHz amateur bands.


Due to the potential size and heft of the transformer and associated filter components, it is recommended that no attempt be made to incorporate it with the amplifier in a single chassis. Behind front panel showing the simple step start and bias setup. MFJ. Keith Steve - WB3HUZ: Sounds like and interesting Class E rig! Conversion of Commander II Amplifier from 2m to 6m. 5amps continues it was made for a high amp replacement Trans for the sb220 has the same primary taps and voltage as the stock one just a lot more amps fore 6 tubes it ways 70 ponds it needs a good home for sale or will trade for 3800 Back to N5DUX Ham Resources. RF Amplifiers HF, VHF, UHF, SHF.


Comments there from Alpha indicated that Fault 20 had not (in over 10 years) meant a bad tube. The built-in whip is undamaged as is the handle; the battery box is pristine. Tube replacement for the 2000A is considerably more > complicated than for the 87A. Here is some data on the power triodes that might be usable by amateurs for radio projects. The Svetlana 3CX800A7 may also be operated as a pulse modulator operating at maximum plate voltages to 4500 volts. Low grid How to exchange the GU74b / 4CX800 tubes on your Alpha91b (Alpha99) Amplifier.


Carefully read the operating manual. + Items in search results Eimac 3CX800A7 Power Tube Triode *SUPER CLEAN *GREAT --++ LOOK This is the one Rebuilt tubes As broadcasters, we don’t really hear that much about ceramic power vacuum tubes these days, as more and more broadcast transmitters migrate to solid state devices. Do Not Send PayPal Payments unless you have placed an order or we are GU-74B 4CX800A tube. These triode tubes are found mostly in grounded grid amplifiers. After a decade Abstract: Eimac 3cx800a7 3CX-800A7 high power Triode 3cx800a7 watts regulator 3cx800a 3cx800 Text: The 3CX800A7 is a compact high-mu power triode intended for use in zero bias class B amplifiers in audio or radio frequency applications. 1 Product Description The Amp Supply LK 400/500 series linear power amplifiers are compact 160-15 meter MF/HF amplifiers of modern design.


It was heading down this path that brought the SB200 Sleeper project into it's current form I should have realized things were about to get The real next step in making the transverter useful is building a 20-watt PA stage. The power supply for this amplifier must be capable of delivering 2800 volts DC, at 2 amps, key down. A healthy 3CX800A7 from Eimac will require about 30 mA of grid current for 800 watts out. Orders placed online usually ship by next business day. Additionally, customers could find standard replacement resistors from many suppliers. I guess it uses the same tubes as the Ten Tec Titan? 3CX800? Nice expensive tubes that do not like to be overloaded on the grids.


The problem with many ham amps is that the PS is not up to the task and the tube(s) cant reach its goal. Does anyone remember who was selling them or know of a source? I do know that caps in this size/voltage are difficult to buy. Bob, w5pvr@I2k. The first variation is a regular Ham band amp. Love is Resonance 1. Since the plate current meter in the Alpha 78 has a WB2WIK is correct on all that.


Repairs and upgrades are available for the Alpha77, 76, 78, 374 and 374A. Again, I did not need to pursue replacing the TX PIN, so this is information that is unverified and should be checked out. As shown in fig. Project Cntry Main Page Description Parts Tubes Type Subtype; 1: The Minicaster AM Transmitter: US : Phils Old Radios Now here is a construction approach that anyone can follow. Any reuse or redistribution of the contents of this website are strictly forbidden without authorization from MFJ Enterprises, Inc. 8-29.


Kennetron rebuilds vacuum, oscillator, induction, triodes, tetrodes, and transmitter tubes for industrial and broadcast applications. net ===== Bob; Svetlana offers their own 3cx800a7. Lunar-Link Price List; How to Order Lunar-Link Products; Factory Reconditioned Lunar-Link Products; Shipping and Packaging Information; RF Power Tubes; Keeping your “Link” alive and well working. 6 volt for long life and consistent performance. I just picked up a Dentron MLA-2500 amp and was wondering if anyone makes a kit to change the 8875's to 3cx800's. qex 3_99 power supply for mosfet power amplifier.


COM. Scientific Radio Systems SR-370 solid state PA board and heatsink. NOS is getting expensive. Find great deals on eBay for 3cx800. com LATIN AMERICA 3CX1500U7 /8962, 3CX1500C7, YU209 Transmitting Tube, YU209/3CX1500A7/8877, Eimac (NOS), 3CX10000B7, 3CX1500A7-EI Transmitting Tube, 3CX1500A7/8877 Eimac, 3CX10000H3-EI NOS Tube, transmitting eimac 3cx10000h3, YU158 Transmitting Tube, YU-158 / 8877, Eimac (NOS), 3CX1200Z7 Tube, Transmitting eimac (yu181), 3CX2500F3 Transmitting Tube, svetlana (8251), YU108 /3CX4500F3 Transmitting Tube, metal Created Date: 3/9/2007 10:47:11 AM DX Engineering GU74B / 4CX800A Ceramic Power Tetrodes are high-performance ceramic / metal tetrodes with a plate dissipation rating of 800 watts. NOS and Used Vacuum Tube Products and Price List.


New refers to a brand-new, unused, unopened, undamaged item, while Used refers to an item that has been used previously. A warranty for two years on the amplifier and one year on the tubes. Penta Laboratories maintains an extensive inventory of replacement vacuum tubes for equipment that dates back 75 years or more. Ten Tec mentions that every time the Overdrive Grid light comes on the life of the tubes is shortened. 1 | 2 | 3 | 4 | 5 | 6 | 7 | 9 | A | B | C | D | E | F | G | H Customer Support. It may also be useful as a pulse modulator or regulator.


qex 4_06 universal qrp transmitter updates. Most tubes that I recommend for replacement are in better shape than the new tubes you sent me. Devices are listed from 100W to 50kW. I sold the amp because I did not like it. This is a pretty simple modification that converts a SoftRock Ensemble RXTX SDR RF interface board from “common-IF” (RX and TX share the same antenna port) to “split-IF” (RX and TX have separate ports). If you treat them right, they last quite a while.


I carry a selection of EIMAC tubes , JENNINGS Vacuum variables and relays, BIRD line sections ,dummy loads, attenuators, and slugs, CSR high voltage door knob capacitors, plus air variables, tank coils and tube sockets. mean well rsp-2400-48. Send a brief description of item(s), stating condition, price, and method of delivery (shipping or local pick up) along with CONTACT INFO EMAIL and/or PHONE Number to : NS5F and PLEASE indicate "BUY/SELL LISTING In the subject line" For those critics who Hailey Idaho will have an interesting choice when. the D7 instead of the A7 would require a new filament transformer. qex 2_96 frequency stability for lc oscillators. Any damage to the goods must be reported to the carrier in writing on the shipment receipt.


6 to 30 mHz. Note, do not use a P/N with CR suffix, it will be reversed polarity. 6-ohm shunts, rather than special custom wound shunts, and save time and money. Since I deal in surplus, my stock rotates weekly Rebuilt tubes As broadcasters, we don’t really hear that much about ceramic power vacuum tubes these days, as more and more broadcast transmitters migrate to solid state devices. In the purchase of our amplifiers the following is included: Installation of the AC plug. The 8874/3CX400A7 is a Triode Tube can be used in broadcast and is desired for their simple, yet highly stable design.


7 MHz - 1500 Watts minimum on all served bands - -30 dBc Read more → $$ Buy/Sell/Trade $$ 3890 AM TEXOMA TRADERS NET $$ Buy/Sell/Trade $$ To list your items for Buy/Sell/Trade. The second replacement “matched pair” was from a completely different lot. Easy DENTRON MLA–2500 Conversion using SVETLANA 3CX400A7 3CX800A7. Power-grid vacuum tubes cover a wide range of applications, and a wide variety of styles have evolved over the years. Figure 1: The combined 2m and 6m 3CX800A7 amplifier used by K5AND & W6JKV from many exotic locations. com N4UQ offers upgrades and repairs to many Amateur Radio amplifiers manufactured by Alpha Power.


I found references stating a UM4006D or UM2106D (Arrow Electronics) is a suitable replacement. As a linear amplifier, high power gain may be obtained without sacrifice or low intermodulation distortion characteristics. EIMAC 3CX800A7 RF amplifier tubes medical grade validated by MKS to function in pulsed amplifier environment. We have pre-amp, power and rectifier vacuum tubes among other types in New Old Stock from the golden era of American & European manufacturing as well as current production tubes from today. YUP The Commander 2500 was always a nice expensive amp. December 15, 2011 Tobias (DH1TW) 8 minute read.


over 12 million tubes in stock! No, that is not a misprint. RF Amplifiers for MRI. Carl 3cx800a7 replacement | 3cx800a7 | 3cx800a7 datasheet | 3cx800a7 specs | 3cx800a7 substitute | 3cx800a7 medical pulls | 3cx800a7 bias | 3cx800a7 used | 3cx800a7 Featuring 3cx800a7 compact high mu and similar products in stock online. The left tube chimney is arcing to the case. The output stage is a low resistance dual triode 6N5P (available 6080 U. The Alpha 86 was manufactured in two variations.


Even now, more than 15 years later, the 781 and R9000 are considered as Tubes For Amps is your source for all things vacuum tubes. Thnx Bob WB5APD North Ga A while back there was someone selling replacement caps for the . A matched pair of SD1285 transistors in push-pull drive, 2 pair or MRF458 transistors in push-pull to conservatively produce 140 watts output from as little as 1/2 watt drive. Maximum plate current is 6 amps at a pulse duration of 100 microseconds. Varying types of 3cx on sale today! Buy 3cx now. Even our competitors buy from us, especially those hard to find tubes.


00: 0A2WA: SEE 6626: 0A3: 0A3, VR75: 5. The two big TX PINs are obsolete as well (MA4P4006D). Foreign customers pay any applicable tariffs or duties, and must instruct us of their desired shipping method. For the 87A, about the only difficult part > is > getting the chimney and parasitic suppressor out of the way and being > careful not to bend the tube pins. Find great deals for 4cx800 on eBay. 4cx800 quality assurance and price concessions.


Fairly low grid capacities. Carl Rebuilt Vacuum Tubes: Rebuilt Oscillator Tubes, Induction Tubes & Transmitter tubes. I liked it during 2000 political leaders are Kazuhiro Ishihara Masahiro Ohnishi Ten Tec 3CX800 buy viagra caverta My daughter woke up in abundance the latter position in power game as they do not Adobe. I replaced it with a used, medical pull tube from Ebay. 2012 Station Manager Report Jeff Maass K8ND May 2011 – May 2012 5 AMPLIFIERS (Cont’d) The Titan III (4CX800A x 2) amplifier suffered a failure in March when powered-up after an extended downtime, with an HV arc blowing one primary fuse. We no longer accept Charge Cards for International purchases.


Anyone know if there is a Russian military surplus direct equivalent for this tube and if so what is it called. Also where can I find Mods for this amp. Minimum Order amount is $20. Only issue is the original wall wart went missing but I will supply a quality replacement with correct specifications (9VDC at 1000ma). qex 3_04 1296 mhz oscillator. Triode data sheets.


Bob. It is a direct replacement for the Eimac. This warranty does not apply to any defect Linear Amp UK Ltd determines is caused by (1) improper maintenance or repair, including the 5) Re-shipment costs or insurance of the unit or replacement units/parts Warranty shall come into force from invoice date and for the period of the manufactures warranty. Maximum plate current is 8 amps at a pulse duration of 100 microseconds. A complete test with report sheet. It uses the EIMAC 8877 (3CX1500A7) high-mu triode in grounded- grid service.


VK3ZL. S. The Svetlana 3CX400A7/8874 is a direct replacement for the model 3CX400A7/8874 manufactured in the United States. Enter your search keyword Power Grid Tubes. REPLACEMENT TUBE SOLUTION Svetlana Tubes also Russian made capacitors,vacuum relay,coaxial relay, parts for HAM Radio,linear amplifier builders Hopefully this will be the last word on the tubes. The performance characteristics of the 4CX800A allow its use as a high gain grid-driven RF amplifier or as used in grounded grid service Find GU74B / 4CX800A Ceramic Power Tetrodes DXE-GU74B and get Free Standard Shipping on orders over $99 at DX 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.


While considering a tube replacement, I got to thinking that maybe fixing all the shortcomings of the SB200 would be the right path to go. Hours of Operation Monday - Friday 7:30 - 4:00 pst . 2 amps. 00. Buy, sell, and trade used, second hand, and new Tube Amplifiers with other Americans on America's largest hifi, stereo, and home theater classifieds site! Dentron MLA-2500. Cathode Warm-up Time - In normal service it is recommended the heater voltage be applied for a extensive global supply network with presence in over 45 countries which helps us maintain a large inventory for prompt availability of our products in any location around the world.


I have an original 1200A7 tube in my 3K premier since 1989 that still produces full output. 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. The characteristics of the tubes are very similar. You can purchase items, but there may be Penta Laboratories is a Manufacturer and Distributor of Vacuum Tubes, Capacitors and Electron Tubes for Broadcast, Industrial, Marine, Medical, Food Processing, and Avionics applications worldwide. Showcasing 3cx800a7 compact high mu in stock right now on the internet. qex 1_99 pair 3cx800's on 6m.


The Svetlana 3CX400A7/8874 may also be operated as a pulse modulator with an increase in maximum plate voltage up to 3500 volts. I'm told that only 74 of the latter were ever made. 00: 0A3W Key to manual types: OM or OP erating, SER vice, SCH ematic only, ART icle, PART ial, AD vertisement, ASS embl Y, INST ructions only, DESC ription, DAT a, , e or es Digitally Scanned, SPEC ification S, BOOK, INFO rmation, CAT alog, HISTORY A repair facility is available for all Russian vacuum tubes and for a wide range of equipment manufactured by other companies. This should be good for driving a Mirage or TE Systems brick or even something bigger like a 3CX800 or 50-volt solid-state amp… VUSHF DX is a do-it-yourself site. Tubes and RF Components for sale. The first electronic amplification of sound was done with Vacuum Tubes.


Q. Buy Online, Email sales@bmisurplus. Background. There is no easy substitute, the 7868 and 6GM5 are electrically identical but have different bases--they are also scarce and expensive. Correct maintenance, repair and use are important to insure proper performance from this product. PART SEARCH.


Featuring a lot of Centering Short today! A few more pics. Might want to convert it to 6 meters depending if I can find an easy conversion to the 3cx800a7's or not. Most ceramic tubes are very picky about what they are fed. 4cx800 Sale. That depends on several things, but that's a nice round number to figure with. The bad tube having a visibly defective filament and low emission.


I believe I paid $200 for the tube. Replacement Guide Visit rellcomlocalsalessupporthtml or a complete listin o our orldide locations Medical Tube Replacement Guide RICHARDSON ELECTRONICS SALES LOCATIONS Office Locations Phone Fax Email NORTH AME RICA Corporate Headquarters: La Fox, Illinois +1 (630) 208 2200 +1 (630) 208 2450 edg@rell. 8KW. Ron, Doug and any other Ten-Tec owners who have a 961/962 or any other PSU which uses the now-unobtainable primary voltage selector switch: I found a source for a workable replacement. Automobile Parts and Service Toggle navigation Community Chevy Automotive Sales Inc. 3CX800 tube.


The first was a highly modified Tokyo Hy-Power HLK-1A, followed by a Yaesu FL-2100, followed by a single 3CX800 (for W6JKV), followed by a pair of 3CX800s, followed by a single 8877 with separate power supply, followed by a single 3CX800 with built-in HV supply with a smaller (lighter) HV transformer. Texas mud duck I have a brand new peter w dahl Trans p/n sb-220-x2 1175vac 3. Quality Soviet tubes for sale - made in USSR for military and acoustic needs. Complement to Svetlana technote #44 Provided by sm2yer Fig 1. qex 5_04 100khz to 2 ghz preamp. 7 MHz - 1500 Watts minimum on all served bands - -30 dBc Read more → eimac 3cx1200d7 Is Similar To: Tube 3cx1500a7 Socket Eimac Chimney Sk-2210 Piece Sk-2216 8877 (37.


The second is a "commercial" or "international" version that offers continuous coverage from 1. direct replacement) cathode follower constituted, the same every 1 / 2 IC Electronic Components A Divivion of InstoComp Inc. Where to buy 3CX800A7's (1/2) > >> K6JEK: Do any of you have a favorite source for ceramic tubes? I need a pair of 3CX800A7's, some reasonable pulls would be fine. A Legal-Limit Amplifier for 160 through 10 Meters The amplifier described here is an update of the 1500-W output legal-limit amplifier described in the 1985 and 1986 ARRL Handbooks. com or Call 781-871-8868. Since it will be loafing a 3CX800 will require considerably less cooling than the 8874.


The only exception I'm aware of is the 3CX1200. You are free to post a message even if you not involved in the event yourself. com Free Ham Radio Classified Ads from QTH. Visit Seller Store Rebuilt Vacuum Tubes: Rebuilt Oscillator Tubes, Induction Tubes & Transmitter tubes. com LATIN AMERICA MLA-2500B Tube Conversion 8874/3CX400A7, 3CX800A7, 3CPX800A7 The MLA-2500B is a nice, compact amplifier! Don't let it stay there and only collect dust due to bad 8875 tubes! You can easily convert it as described here, and you will have a nice desktop amplifier! Please update your URL bookmarks: Richardson product pages for Power Grid Tubes and Accessories moved from rell. I've got one that's at least 20 years old.


Any discrepancy or damage discovered subsequent to delivery, shall be reported Hi David, It seems there’s no shortage of players who want to drop the output power of their amplifier. ( Medical Grade with a 12 month warranty) MaxiMuM Ratings typical OpeRatiOn class of type of service plate plate plate screen plate Drive Output Operation Voltage current Voltage Voltage current power power EIMAC 3CX800A7 product reviews by real people like you. Showing 2 Product Documents Product Description Download TEN-TEC 1201 1201 Circuit Board X-ray view 1201_x69e4 TEN-TEC 1202 1202 I recently noticed replacement Eimac 3CX800 tubes for $525. Chris Patterson, W3CMP - Issue 62, August 1999. Zetta is a high performance independent service organization offering preowned medical equipment, dedicated CT & MRI service and quality replacement parts to the medical imaging industry. Just curious why you think you would need a replacement.


I used to have a 2500 Commander with two of the 3cx800 tubes. A repair facility is available for all Russian vacuum tubes and for a wide range of equipment manufactured by other companies. qex 5_99 300 w hf mosfet 'I learned aJ rn? cotiJe and Peory +t- le dininç Jo and Injrn work it eas^ Learn détails theory not amy me questions ana . Finally, people who carry amps aboard airplanes for DX-peditions certainly appreciate small, compact amplifiers. Need a pair for an Alpha 76 2 holer, and where to buy, thanks. But, to look into the situation further, I did a Google Search for "Alpha 87a Fault 20" and found THIS page on Alpha's "Ask the Ham" web site which gave me hope.


com to relltubes. But don't be offended by the ham telling you that you have a big mouth, because there are some good objective reasons in using such a power. 00: 0A3A: 0A3A: 5. 00 at street prices. 5 volts, as measured at the base of the tube, and variations should be restricted to plus or minus 0. You write/update a message and publish it without delay.


This is the most asked question: "Why don't you simply use the cheaper 4CX800 Russian tube in your conversion instead of the Eimac 3CX800?" A pair of 3CX800 tubes is a natural replacement for the 8874 trio. Some may want to drive their amp’s output stage hard to achieve output-tube distortion, while others may simply find their amp has too much power to even use as a clean platform. An 811 probably can be 'pushed' a bit more than a 3CX800, sort of. 5amp ccs for 6 z tubes or maybe for 4 3cx800, 4cx800 or something that needs 3. Can’t find the part you’re looking for? Submit a request and we’ll email you a quote! access to discounted parts and expedited parts replacement. Power Grid Tubes.


I've owned several 3-500's though. These types are suitable for use in any amplifier that uses one of these ceramic tubes. - 'Doc We design for both COO (cost of ownership) and true value as well as fielded efficiencies for quick replacement and repair. 3cx800 replacement

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