Gi7b tube socket They completely contain/cover the tube, nothing left to see than the anode cap. gi6b tube. Diameter of copper rings may require "tweaking" to adjust for suitably snug fit on tube contact MLA-2500 GI-7B Tube Sockets using 8875 Holes The first change was to use the original 8875 In year 2000, I have purchased a very nice Russian Tube (GI7B) from Dr. The net filter on the 220V side. Weight socket + shimney + eight chimney fastenings: 0,600 kg. Diode protection on meter & LED meter lamp 7. The old 8873 socket was not removed and will be used as a tie strip under the chassis. The modifications include: 1. Rear Panel with Fan & Tube Socket GI7BT heater & cathode wiring Rear View; Original PA Input ckt used RF Compartment with GI-7BT air chimney GI7BT Tube in Socket click for details : 7 Pin Amphenol USA Black Phenolic Miniature Tube Socket B7G NOS Shield 147-905. GI-70B is the same tube, but without the heat sink. Home made Ham Radio amplifier made with 2 russian tubes gi7b. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright The larger the ceramic body of the GI-7BT, the better the tube can dissipate heat. In order to install a rigid air dam for cooling, the plate choke must be GI7b tube you see in the last photo is not for sale! For sale: socket, chimney, four chimney fastenings. Price €35. Parts . You won't find a better made socket. These sockets are designed for the best possible connections to the tube while allowing full air flow around the socket for more than adequate tube cooling. RF Deck Modifications – changing the tube sockets to GI7B sockets 1. 811A) $12. The finish socket with the input circuit from under side. 2. item 6 4 pcs ROYAL HK46E 4-pin UX4 gold tube socket (for WE-300B. 25A max; grid dissipation 7W max; anode voltage 2. Gi7B. GMI-11 socket Related: gi7b tube gi-7bt gi7b socket gi46b tube. from United States. The project never starts. 95 shipping. 5kV on the anode and mine is a ‘mini’ version with 1. Based on the characteristics of the tube, one should not LY1DQ ham radio resources LY1DQ@mrtv. A complete overview. About eBay; Announcements; Community; Security Centre; Seller centre; Policies; Help & contact; GI7BT Tube Socket Plate Tube Socket Plate installation GI7BT Sockets Installed GI7BT Tube Socket Plate GI7BT installation in an MLA-2500, View 2 MLA-2500 Power Supply Dentron MLA-2500 GI-7BT Modification W4EMF 11/30/01. Reply. Consumer Electronics. The thest performed showed that no ano Clean Yaesu FL-2100 converted to a GI7B tube. The 8uhy choke used previously for 2PCS B7 7Pin Tube Socket TUS-B7 Gold Plated For KT41 MHD4 PT4 SP2 SP4 Tube Audio NOS pair of GI7B tubes with quality sockets & adjustable bias board from K4POZ. That was the first time I tried the tube in the socket. Get the best deals for Gi 7b at eBay. According to some Russian Friends that where radio tech's in one in the Army one in the Navy both said you are better off not using the offical socket for the GI7b and all of it's variants if you decide to build in the UHF/VHF spectrum. Here are the steps after removing the 8875 sockets. C My sockets have excellent contact between the tube and the socket! Material: socket machined duralumin; nuts and bolts, washers are made of galvanized metal; insulators are made of PTFE (teflon); the chimney is made of PTFE (teflon). New 12 VDC T/R relay---17ma keying 6. Customers who bought this product also bought: Ventilator. net provides recognition and enjoyment to the people who use, contribute, and build the site. 4cx800 Socket GU74B vacuum tube Sockets. Price €22. This bottom section will mount 17 likes, 2 comments - amateurradioawesome on November 24, 2022: "GI7B / GI6B Senderöhren Sockel. In January 2007, I got another tube from Sing, VR2IL. Jun 18, 2012 #4 How about the kt88 tube? it seems to fit the bill perfectly. The parasitic suppressors are Title: GI7B GI70B Author: Electronintorg Subject: JA-2003-01-16 Created Date: 12/14/2002 7:52:05 PM gi-7b / gi7b urss power coaxial triode tube otk/rhombus/ nos qty-2 MLA-2500 GI-7B Tube Sockets using 8875 Holes The first change was to use the original 8875 socket holes. The tube is being used quite Yaesu FL-2100B Conv to GI7B Tubes This is a quick "walk-through" of a Yaesu FL-2100B amplifier that I converted from the old (expensive) 572 tubes, to the very durable (and inexpensive!) Here you can see a pair of small 1-1/2" square fans installed under the chassis to keep the tube sockets cool. Under the socket is the air flow Hello. I purchased a nice tube socket / mount from a ham that makes them. New technology parasitic suppressors. Harbach soft-start wired for 120VAC operation 4. From upper side it looks like this. I coat it with silver. 7-pin ceramic tube socket for 6S33S 6S41S 6S18S GU29 GMI-6 GI-30. These sockets are designed for the best possible connections to the tube while allowing full air flow around the socket for more than adequate tube cooling. - Customers who bought this product also bought: Gi7B. Regular price $195 00 $195. The GI-7B filament terminations can get This document provides instructions for modifying a Dentron MLA-2500 amplifier to operate with GI7B tubes. txt) or read online for free. Getting the pins to mate with the socket was tricky but that's my problem. 27. The UA, UT, LZ and other peoples who had these tubes for sale had to travel thousands km for being there, so these prices are very low indeed if we consider this distance (for me was to 3000 km). C $108. 73. Pride DX300. Even if just a few watts of heat are produced, a constant Test of the MountainTopElectronics two tube GI7bGreat little russian tubes. With the pair of Tube sockets; Tubes; Tube list Gi7B. Bent copper clips clamp the tube's grid flange firmly onto the ground plain. Not finding what you're looking for? Save gi 7 b tube to get e-mail alerts and updates on your eBay Feed. If you like to build electronic devices with vacuum tubes, chances are that you need to obtain some tube sockets, these are ridiculously expensive If so I guess I will have to order the GI7B tube and socket. GI-7 and equivalent tube socket custom made to fit mounting holes for removed 3-500Z socket in Kenwood TL-922 or Heathkit SB220 linear amplifiers. Pre-Owned. This bottom section will mount -For the reason that commercial tube socket is not available and searching around the net and find it is available from W4ZT 1 inch aluminum angle and cut into small section for building the chassis of the GI7B amplifier. I thought you might like some photos of this prototype, including the cooling chimney make form a small fibre plant pot cut to size - it cools the valve very effectively Yes agree with a Gi7b tube, I have see a lot of 230 done this way. New in stock!". Shop now for fast shipping and easy returns! Mike, GØIMG and I are both using the Gi7B tube on 50MHz. And, as with all of my amplifiers, it has been given a name and this one is Piglet. 3-500ZG / 3-500Z Machlett High-Mu Power Triode Matched Trio (3) Tubes. This is a lot of work, and the sheet metal chassis is probably a better ground than a wire of any size. Vídeo de Felipe Kolling MLA-2500 GI-7B Tube Sockets using 8875 Holes The first change was to use the original 8875 socket holes. All It's easy to build a socket for this tube: GU35B basement - Note that the central pin is Grid 1. ) and UHF shown. Price €30. Even with outstanding cooling, higher p owers result in severe thermal drift problems. The key differences between the Hello Everyone This my first time posting I have picked an sb200 it seems to be in good shape. You can either cut away the chassis and mount the GI7B tube sockets on a metal plate (subchassis), and suspend this plate slightly below chassis level on standoffs, or you can attempt to mount the tube sockets in the original 8875 holes. gi7b is tube designed for microwaves but working good as hf amplifier idea is to build cheap reliable hf amplifier covering 160 meters band . Very high quality. Shop by category 12PCS 7pin Tube Socket B7G Valve Base for 6X4 6Z4 EF95 EAA91 EC92 EF91 EZ90 DIY. A new transmitting valve from Russia - the Gi7B Mirko Voznjak, YU1AD and Mike King, G3MY Issue 55 Six News, Mike, GØIMG and I are both using the Gi7B tube on 50MHz. lt Created by LY3NML Limit Operating Values Heater voltage, V 12-13 Anode voltage, kV: in pulsed operation 9 instantaneous value in CW operation 5 GI-7B Socket Built By Bob Briggs, VK3ZL, July 2006 (click on the small pictures to see a larger picture in another browser window) GI7B - Free download as PDF File (. 60529036 Aquí podemos ver la modificación de un amplificador lineal YAESU FL 2100Z al cual reemplazo las válvulas originales 572B por un par de tubos metal-cerámicos GI-7b / GI7b HF-VHF-UHF power coaxial triode tube (original box) Vacuum tubes, Capacitors, Nixie Tubes, Indicators, VFD display, LED, Sockets. I always wonder if Russian ceramic transmitting tubes could be used for audio amplifiers. ILS 39. Tube output w/50w drive: 800w out on 80 & 40m and 550w out on 20m, 600w out on 15 & 10m. Keying mod for 12VDC @17ma keying and rear panel RCA key jack. 11. Can provide the excellent condition socket & heatsink with it if desired. Include description. Mountain Top Electronics single 7B amplifier under test. This makes troubleshooting more comfortable. It's been on the air 6 months now and has been very stable. Mike’s runs at 400W PEP output with 2. The tube is not for sale! the chimney is made of PTFE (teflon). NOTE: M yriad te sts have been conducted regarding the use of th is tube for. The primary difference between the two is the lower anode dissipation of 1000W for the GS-31 vice 1500W for the GS-35. FOR SALE! SOCKET for Russian tubes : gi7b, gi7bt, gi70, gs9b, gi6b. 86 shipping GI7b tube you see in the last photo is not for sale! For sale: socket, chimney, four chimney fastenings. Radio tubes are valves. The document summarizes the specifications and operating parameters of the GI-7B and GI-70B microwave triode tubes. avg. COM) Hello and 73 are described below my amplifier HF equip three GI7B the project to start by browsing the web I see cites yu1aw without which this project will Find many great new & used options and get the best deals for SOCKET for tubes gi7b, gi7bt, gi6b, gs9b with chimney at the best online prices at eBay! Free shipping for many products! Place the visually undamaged GU74b into the first socket and then repeat the test with the same tube in the other socket; Apply high voltage; Connect Dummy load; Apply 5-10 Watts; Measurements: Output power of the This video presents a monoband 10m linear amplifier using the russian military tube GI-7B in grounded grid connection. The cavity and tube: A very good reproduction of this design by DL4MEA Related: gi7b tube gi-7bt gi7b socket. GI7B Six Meter Amplifier Project In year 2000, three of us ( VR2XMQ, VR2IL and me ) purchase a very nice Russian Tube (GI7B) For the reason that commercial tube socket is not available and searching around the net and find it is available from W4ZT; Power transformer, still searching around if it is available to wind in local market. pdf), Text File (. Quiet power switching relay prevents ON/OFF switch failure. GI-7B / GI7B URSS POWER COAXIAL TRIODE TUBE OTK/RHOMBUS/ NOS QTY-2. Over the tube comes a chimney. Cell Phones, Smart Watches & Accessories. 5kV and 225W PEP. or Best Offer +$9. Home; EagleMade Products Chimneys ; Sockets Tube Sockets; Bird / Coaxial Dynamics Slugs; Small Parts; Gu-74b Tube; Gu74b Tube; 6cg7 Tube; 75 Ohm Coaxial Cable; Igbt Transistor; Icom R70; 6as7g Tube; Icom 706 Mk2g; Bho Tube; 6b4g Tube; Ft 7 Yaesu; Hf Vhf Uhf Transceivers; Rg174 Coaxial Cable; 6gk6 Tube A 4. Sucht The GI7b amplifier in its finished state. The triodes can be used as oscillators or amplifiers in continuous wave or pulsed modes between centimetric and decimetric wavelengths. Radio Communication; Vintage Electronics; Jewellery & Watches. AA4PG 3/30/2013 [email protected] Page 1 of 14 Finally, with the sockets in this position, there is very little space between the sockets and the plate choke. 7k NTC resistor is mounted close to the tube socket. Find great deals on eBay for Gi7b Tube Socket. Below, left, the 12VDC supply is mounted. This bottom section will mount Get the best deals for gi7b socket at eBay. 5. Margin scheme - You don't pay VAT! Gi7B new (NOS) Quantity. Part No. The socket question is partly solved, I have a pair of original GS-14 sockets from Lithuania. Idea was to built cheap, reliable HF amplifier covering 160m. Customers You can either cut away the chassis and mount the GI7B tube sockets on a metal plate GI7b ( similar to AEG LDa ) also GI70b (same tube - no cooler), Metal-ceramic transmitting triode up to 9 cm. The miniature coaxial cable from the relay was reconnected through two . Power measured with a watt meter Power Master. Regular price $500 00 $500. The plugs on the front allow good access to the individual pins of the tubes. SOLD . Power supply completely rebuilt; has solid-state timer for filament warmup; quality K4POZ tube socket and bias board. With approx 40w SSB drive, output is approx This change will make wiring the sockets in parallel much easier. New Harbach power supply and soft start. Yes agree with a Gi7b tube, I have see a lot of 230 done this way. 2400; GU50. Maximum input drive power 50 watt Explore a wide range of our Gi46b Tube selection. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Gi7b Tube Socket for sale | eBay Check voltage at the heater collets on the tube sockets. GI-6B same as GI7B Tube Amplifier QRO HF VHF UHF TRIODE GI6B. 12 watching. item 3 SOCKET for tubes gi7b, gi7bt, gi6b, gs9b with chimney SOCKET for tubes gi7b, gi7bt, gi6b, gs9b with chimney. Oxide cathode indirectly heated. Nice thing is the Russian tubes are cheap and available as well as bulletproof. The K4POZ sockets are excellent and can be used with the original chassis. Contact Us 248-917-2319 _____ Sign in or Create an Account. T. Search. Tube sockets; Tubes; Tube list Gi7B. As I could not find any i Explore a wide range of our Gi7b Tube selection. C $30. ILS 900. Weight socket + shimney + eight chimney fastenings: 0,450 kg. Category. com) The GU-74B is a decent tube at its original Russian specs but the 4CX800A version is a complete fraud. 7% positive; Seller's other items Seller's other items; Contact seller; US $34. Update your shipping location. Last I got were from a VE3 that sells only on Ebayjust search GI7B sockets there. $12. $250. PAs at 23cm. 63 shipping. . Buy It Now +$8. Select country Postal code 7 Pin Miniature Tube Socket NOS IEC USA B7G High Dielectric Black Phenolic (x1) Opens in a new window or tab. The plate choke is an Ameritron 160-10 choke and is barely visible beneath the tubes. 95. Tubes . from Ukraine. See later picture. 3. rs (3406) 99. The chassis’s dimension will be at (360mm D x 350mm W x 200mm H ) Here are some hints on how to use the RF Power Amplifier Tube Performance Computer for design of a GI7BT based amplifier. Selected category All. Does not have 160m capability, not physically enough room for plate tank components. C $2. Tropicalization: The “T” designation suggests the GI-7BT may be a ‘tropicalized’ version, featuring enhancements for operation in humid and hot environments. FOR SALE! 263276618473 All is needed is a plastic box, one or two tube sockets, a few plugs, and a fan. GU35b socket . PA3HBT's 2 × GI7B CONVERSION . We have a great online selection at the lowest prices These sockets are professionally crafted by K4POZ and W4ZT to provide you the best socket for your retrofit or new construction project. Shop now for fast shipping and easy returns! The socket is installed temporarily to check tube clearance. Shop now for fast shipping and easy returns! GI-7b / GI7b HF-VHF-UHF power coaxial triode tube (original box) Vacuum tubes, Capacitors, Nixie Tubes, Indicators, VFD display, LED, Sockets. The 262564536906 B8A, 8-pin socket RIMLOCK for 6CK5, EL41, EF40, EF 42, ECC 40 etc. The tubes require conditioning before use as most have been in storage 20 to 30 years. Best Sellers. 1758; Tube socket for T800-1 / TB5/2500. Richard Hughes. K. With its 350 Watts plate dissipation this tube is a good choice for producing medium power (300 to 500 Watts). com. It is a 600W dissipation tube and loses emission rapidly when run beyond specs. 811 Ceramic Socket. Buy It Now +C $20. The tube was in a cooling case. To build the largest and most complete Amateur Radio community site on the Internet - a "portal" that hams think of as the first place to go for information, to exchange ideas, and be part of what’s happening with ham radio on the Internet. Tube Sockets; Bird / Coaxial Dynamics Slugs; Small Parts; Bridge Rectifiers; Sign in; Wizard Amp with 2 GI7B tubes. 4. Problém byl v tom, že nabudit PA na příkon kolem 400W nebyl problém, ale vyloudit z výstupní vazby víc než 100W už bylo obrovský problém. The bias circurit. 35 shipping. I also use it as an AM linear at 100W of carrier. Plenty of info available on the Internet. 37 shipping. or Best Offer +C $7. Sponsored. These sockets are professionally crafted by K4POZ and W4ZT to provide you the best socket for your retrofit or new construction project. (whatillo@gmail. Search for component: sample: FEU68 6F31 : Multiple search: sample: 6N1P-EV 6H2nEB 6N3P DR ECL82 EF 80 EL-34: Tips: - mouse placing on the Factory logo - gives Factory Name. Regular price $159 00 $159. The cylinders are from rainwater down pipe and split for easy removal/fitting. Checked by AVG - www. 44. Introduction: Send Message. I tend to build the sockets in my own, so that the tubes are visible, clamped by Tube socket,fan,chimney for GI-46b Heathkit SB-220 Kenwood TL-922 KK4NOZ 3-500z. 98. Opens in a new window or tab. These are PLUG IN sockets. Harmonic issues with the OEM socket for this tube family. SOCKET for tubes gi7b, gi7bt, gi6b, gs9b with chimney. Regular price $950 00 $950. The power supply side with near 2000 Volt. About eBay; Announcements; Community; Security Center; Seller Center; Policies; Affiliates; Help & Contact; DIY Vacuum Tube Socket: This instructable will show you how to build a vacuum tube socket from household trash and some wire. eHam. com Version: 10. New front panel overlay makes it look like a new amp. Has the following: 1. Potentially addressing issues with loading on 160M and Converted a Yaesu FL-2100B amp from the original (and expensive) 572B glass tubes, to the plentiful, durable, and inexpensive GI7B ceramic triodes. Diode protection on both meters and LED indicators and new 3-wire grounded power cord, wired for 120VAC operation. 25. This is due to different design of the anode cooling structure (both the physical interface with the detachable radiator, AND the type of radiator used with the tube). done In stock Tube socket for 4CX250 / 4CX150 / 4CX350 etc. Replacing the capacitor board to make room for a 12V filament transformer while using low-profile capacitors. 5kV on the anode and For sale 10 VHF sockets for GI7B tubes Send this to a friend with an introduction. Brand New. Filter. Tube is also physically identical to the GI-6B and GS-9B tubes, but there are some electrical differences. The plate choke is still in its original place but will be moved to make For sale: socket, chimney, eight chimney fastenings. Any ideas? Gary K4MT-----No virus found in this message. I sent him a new Svetlana tube socket for a pattern. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Save gi7b socket to get e-mail alerts and updates on your eBay Feed. GI-7b / GI7b HF-VHF-UHF power coaxial triode tube (original box) Vacuum tubes, Capacitors, Nixie Tubes, Indicators, VFD display, LED, Sockets. I verified the amp has a good 8875 tube: with 30w SSB in on 80m, has 500w out. I am interested in trying to convert it to the gi-7b tubes. Add to cart done In stock Description; Product Details; Gi7B new (NOS) Reference Art. Email wb4 Also there is another spot for a third tube socket T23 . Sold Out. Limits. Home made 6m amplifier with GI7B, by F5MAG | In French (original) | En Espa?l | (English translation provided by F5MAG, not responsibility of DXMAPS. New Harbach soft start wired for 120VAC--NOTE: GI7B In input circuit of the GI7B tube. Tube socket,fan,chimney for GI-46b Heathkit SB-220 Kenwood TL-922 KK4NOZ 3-500z. 00 shipping. SOCKET FOR RUSSIAN tubes gi7b, gi7bt, gi70, gs9b, gi6b - $64. About eBay; Announcements; Community; Security Centre; Seller centre; Policies; Help & contact; The original tube designation for the LD6 or GI-6B was either LD11 /GI11B or LD12/GI12B, and it is useless as an amplifier in the decimetric wavelength range because it has very high internal capacitive coupling - three wires welded to the cathode going through holes in the grid and forming a capacitor to the anode. Quality K4POZ tube socket & bias board 5. About eBay; Announcements; Community; Security Center; Seller Center; Policies; Affiliates; Help & Contact; Clean SB-200 converted to GI7B tube. Full line of parts, Also install two 150-volt to 170-volt gas voltage protectors, one from each filament line at any tube socket to ground at the socket. These components were initially used to equalize tube load sharing more, but because newer tubes tend Universal BIAS for 3CX800, 3CX1500, GI7B, GS31/35B, GI46B & others triodes. Sucht HF power amplifier using GI7B . KW3KW One of the original tube-socket holes can be enlarged a bit so this can be done without too much metal work. A 12v fan is mounted underneath blowing upwards and cylinders surround tube anodes to contain airflow. done In stock View. GMI-5 socket. ILS 26. $20 per pair . Reflector 6DJ8/ECC88 Vintage Tube; JJ Electronic 12AX7 ECC83-S Vacuum Tube; The Russian microwave planar triode GI7b specified to operate up to 3000MHz and rated 300 W anode dissipation, was used to build a coaxial cavity amplifier for 1296 MHz. GMI-7 socket. gi7b tube socket. GU43B NOTE: OK for HF-6m, similar to 4CX1600; 1600 W up to 100 MHz. SOCKET FOR RUSSIAN tubes gi7b, gi7bt, gi70, gs9b, gi6b (model: LV №4) - $72. from Romania. Tube sockets. The simplest socket for GI7B - not for sale, how to build. New complete Harbach power supply rebuild includes electrolytics, rectifiers, metering and bleeder resistors. SOLD. 12 shipping. 2A3. It is the same tube used for the DX3 Emtron 4 kW PEP linear. As with all of my amplifiers, it has been given a name and this one is Piglet. linear amplifier (4) gi7b russian tube by W. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Home made 6m amplifier with GI7B. Seller: greatball ️ (2,113) 100%, Location: Dadeville, Alabama, US, Ships to: US & many other countries, Item: 164937677688 GI-7 chimney tube socket Kenwood TL-922 Heathkit SB-220 linear amplifier KK4NOZ. - select all suit sockets. Drill a hole in the socket compartment and possibly mount a grommet. Installing the filament transformer and a glitch resistor for fault protection. Alex UR4LL for the intention of building amplifier for six meters. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright 811A tube HF standby instability. MLA-2500 GI-7B Tube Sockets using 8875 Holes The first change was to use the original 8875 socket holes. Shop with confidence. Also, this procedure is simpler than the one recommended by PA0RFI, which requires that you remove and rotate all tube sockets 180 degrees to get the grids pointing to the center, where he uses a wire to ground them at a central ground lug. 1758. Related: gi7b tube gi-7bt gi7b socket gi46b tube. Figure 2 shows the sockets mounted and wired. 60. 50. The tubes GI6b, GI7b, GI7bt, GI70b and GI70bt are all the same GI7b (=LD7). The new capacitors fitted into a peace of plastic material Tube ГИ- 7Б or Röhre ГИ-7Б ID23451, Transmitting Triode, air cooled, COAXIAL in general (X. Art. from Ukraine they appear to be the Gi7b tubes not exactly sure. Auto start, Forced air cooling, 120v plug in wall, tuned input, HAS SOCKETS for easy tube replacemen FAR Circuits is now going to offer up an RF Board (tube board) for the Dentron GLA-1000 series amplifiers that is made for the Svetlana EL-509/6KG6 tube sockets. Get the best deals for Gi7b Tube Socket at eBay. This has nothing to do with the Disney movies, i decided on Piglet as I consider the amp to be the daughter of my For sale: socket, chimney, eight chimney fastenings. This has nothing to do with the Disney movies, i decided on Piglet as I consider the amp to be the daughter of my GS35b amplifier that acquired the name 'The Pig', the reasons for that can be found elsewhere on my web site. The high voltage board seen in the middle of the picture. 04. The GI7b amplifier in its finished state. First, remove the bottom section of the K4POZ socket. Regular price $450 00 $450. Weight socket: 0,460 kg. $80. T23 . Used 3 Tube 4cx800 / gu74B with power supply. This impressive Russian RF power triode is a rebuild of an ultra rare WWII German valve type LD9, and has the same physical size as the earlier German valve. Has quality K4POZ socket & bias board, new 12 volt filament transformer with solid-state timer for 90 sec filament warm up, new larger electrolytics in the power supply, new cooling fan and new 12VDC T/R relay & 17ma keying. It is possible to derive a stable output of of up to. 4cx5000A. Year of production: 1975. Cart 0. Tubes are new, never used and in original polystyrene boxes. kein schrott , oder billigwahre . Plans are to convert the amp to a single GI7B tube, so the 8873 is not needed and for sale. When NOS tubes are reconditioned, heating voltage is applied for at least 24 hours. 19 watchers. Price €12. 00. Apr 17, 2010 645 12 28. The best information that I have found is the sb200 sleeper xtreme by AC0C My questions are where do I find parts for it in particular tube sockets and is there anyone out there who will do this conversion. ILS 79. The plate cavity uses a 3/4 wl mode while the input circuit (at the cathode) uses a 1 wl mode line. Additional site navigation. approximately 250W from a single tube GI7B cavity PA, and designs for such PAs can be found on this web site. 3cx3000A7 Vacuum tube "Brass Center ONLY" filament attachmnet. 01 @ 500 volt disc ceramic capacitors in parallel to the cathode collet. Find top brands, exclusive offers, and unbeatable prices on eBay. GI7B NOS New Old Stock. Russian impulse triodes Gi7i are cheap rugged tubes. $10. 0. The blower I've used, some people will recognise as the unit pulled from the GS35b amplifier of mine, this little blower supplies enough air flow to meet the requirements for the GI7b tube, and once I'd cleaned it up, it worked fine. $15 . Low current 12VDC keying & RCA Jack for keying. Here we have another linear with 2 valves GI-7B. Regular price $69 00 $69. Tube Socket for GI7B. Sockets 250B with srceen Capacitor in socket Used. The GI7b / GI7bt tube is not the best tube for linear amplification on the 1296MHz band, but because these tubes are relatively cheap and accessible, many of us tried to use them. Worldwide shipping. Buy It Now +$25. C $339. $58. There are NO hold down clamps to fiddle with. Limits on operation of a GI7BT in AB2 include: anode dissipation 350W max; cathode current 1. done In stock Sockets, tube, 36mm x 1/2" Dr, 250mm Code: 60529036 Brand: Unspecified Product Details Sockets, tube, 36mm x 1/2" Dr, 250mm Product Features and Benefits; Documentation; Extra Deep Tube Socket 36mm. The GS-31B is the "little brother" to the powerhouse GS-35. A 2500W dissipation GU78B modern tetrode was to 250 DM (about $120), also its socket. With this linear you can make 350-400 Watts on SSB. €22. Purchased a working Dentron MLA-1200 to convert to a GI7B tube. These sockets are designed for the best possible connections to the tube while allowing full air Using a single tube I'm getting over 400W out with 22W of drive. 50 3cx3000A7 Vacuum tube Socket Custom Made. PA3HBT came into possession of a partially decommissioned FL2100 without 527Bs, but with two sets of GI7Bs Explore a wide range of our Gi6b Tube selection. tubes. FOR SALE: Eimac 8875 tube & socket Send this to Title: GI7B GI70B Author: Electronintorg Subject: JA-2003-01-16 Created Date: 12/14/2002 7:52:05 PM Clean, from non-smoking environment, GLA-1000 converted to NOS GI7B tube. T23 Active Member. 62. 6H30n - click on the name gives Photo. Original anode coolers was replaced with hi power rectifier coolers which perfectly fit and allows better I start with the tube socket. 811A Tube History and Construction. Triode (2) Items (2) SOCKET for tubes gi7b, gi7bt, gi6b, gs9b with chimney. socket machined duralumin;. Gi7b is tube designed for microwaves but working good as HF amplifier. 5kV DC; GI7b tube you see in the last photo is not for sale! For sale: socket, chimney, four chimney fastenings. $175 shipped or meet/pick up in San Antonio, TX area. Reference Art. It cost $95 dollars including the entire cutting fee. With 50w drive, puts out 500-600+ watts, 80-10m depending on band, drive power and CW/SSB HV switch setting. 45. A fried of me, DF2PY, made me this socket. Listed under the Technical Reference/Amplifiers/HF Amplifiers category that is about Amateur linear amplifiers. 811A) 4 pcs ROYAL HK46E 4-pin UX4 gold tube socket (for WE-300B. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Skip to main content. TOF tuning aid . 1430 / Virus Database: 2641/5678 - Release Date: 03/15/13. Regular price $25 00 $25. The fan is mounted against a 1/8" thick soft material to reduce noise and any vibration. the chimney is made of PTFE (t eflon). I have several more of these amps awaiting conversion to the Svetlana EL-509/6KG6 tubes and didn't want to have to use the plastic Snažil jsem se naladit tento PA s dvěma GI7b asi dva měsíce, a to bez výsledku, takže jsem to musel vzdát, protože to bylo nad moje síly. Shop Top Sellers and Highly Rated Products in Vintage Tubes & Tube Sockets. Purchased an operating SB-230 that has a very good and hard to find 8873 tube. 57. Buy It Now +C $27. If anyone is interested, i should have the guys email or web site info here somewhere. The PI-Filter hat two switchable coils, because the roller induct-or was to small. 80 Russian Gi7b tube SE Audio Amplifier test. ux3lvux3lv (451) 100% positive; Seller's other items Seller's other items; Contact seller; US $80. Recently the amplifier was optimized, the tubes were matched, so now they work together (and heating Radio station OZ1PIF - Frenning VC1 to tube socket with heavy (6mm²) wire (left) and coaxcable (center). The air can flow trough the socket. Radio Communication; Vintage Electronics; Type. 98 shipping. Wholesale & retail trade. Power output of the new ones same as old, 45 watts in on 20m gives 1950 watts out Clean Yaesu FL-2500 amp converted to a single GI7B tube. GI7b and GI7bt are completed by factory with plate radiators (HgAl) and the others (#70) without (normaly used in water cooling items). The pictures show the short way to implement these changes. Buy It Now. An 8-pin octal plug was secured to the bottom of the choke and it is mounted in an octal tube socket. New power supply board assembly 2. oxrd mffuagk ggxqj ocrvxi lcsv vzsbgu ybmcu qvkmpt thbwc nso