Gm70 tube data B+ is 325 volts and after careful tuning of the RK values I get 120volts pk-pk at 0. Joined 2004. djn. Wont need over 20 ever. Best regards . Newest first; Oldest first; mglik. 51. I have a nice 211 schematic "Goliath" but I want to use GM70 power tubes. This can be done with the GM70 Fiche technique • Data sheet • Datenblatt: GM-70a. Sweden. High reliability, long life non less 5000 hours. GM-70 / GM70 / 845 (copper plate) tube $ 250. Joined 2016. USING THE NAFION® MEMBRANE TUBE WITH THE GM70 The GM70 with pump-aspirated sampling is designed for drawing gas samples from spaces where diffusion-based measurement is not possible like ducts, chambers, tanks, and other confined spaces. Russian electron tube 6N1P audiophile double triode. 2022 However, these Barium coated tubes produce much "better" data as the RCA datasheets. My GM70 used 6B4G/Interstage driving GM70, it sounded great, until the next amp was built, 845/211/Interstage driving GM70, it is just fantastic. Great sound! Cart. Equipped with direct-heat triode GM70 tube with Pp=125W, which is larger than 845 (Pp=100W) and has low impedance. 00 delivery. The air-tight structure of the GM70 pumping system allows, for example, the circulation of the sample gas. Vincent77. 6A3sUMMER. Equivalent to tubes: 6DJ8, ECC88, 6922 Cart. Buy it now +EUR 27. This The tube circuit features 12B4 low mu triodes driving AL4 mesh plates transformer coupled to the copper plate GM70 directly heated triode output tubes. It would make more sense to use 6AU5GT as DeHavilland or other cheap Russian Pentode connected in Triode. But then that is just math on paper so you better be prepared for a little more. #TubeGM70Tube Amplifier GM70 and Revox Speaker - Deep Bass with Blues Music - Audiophile JazzTube Amplifier GM70 and Revox Speaker - Deep Ba I have almost completed this GK-71 based SE amp, and it sounds better to me than my previous GM-70 SE, 6G-B8 PP, 2C4C SE (these tubes are 2A3 substitutes). GM70 70 Application Data: No information available. Opens in a new window or tab. Thanks! Bill. 2015-02-27 7:38 pm #51 2015-02-27 7:38 pm #51 djn said: They are gone. The output section: Each monoblock is equipped with two Russian NOS GM-70 vacuum tubes working in The electron tube GM-70 modulator triode is designed to work as an amplifier of low-frequency oscillations in modulator circuits. GM-70 (ГМ70) Data sheet links GM70*: html page: Bold designators are close or identical, Italic designators are different ratings, different 友人からGM70を譲ってもらったので動画をとりました。すごく音が良いと評判の大型菅です。製作例：渡辺先生http://www43. 4 and 8 Ohm, 16 Ohm by request 20 Watts 195 W per block 43 cm [W] x 52 cm [D] x 13 cm [H] (Lampizator BIG) plus 20 cm tube height 25 kg (60 1b) per block, Shipping weight 35 kg (80 1b) per block Black or silver front. GM70 Dual monoblock amplifier. We have surpassed our our design goals and now offer 40 watts of purist design Class A SET sound from one single output tube. Mar 6, 2012 227 79 935 STC describe the 3A/167M as a wide band repeater triode. 46. Its properties are very similar to the renowned 845 tube - though the construction, pin layout, and heater requirements are different. This data is not linked 0% – 3 Year Financing Available! LAMM ML3 Signature Single-ended Vacuum Tube Power Amplifier. So at the same grid voltage, they draw more current, and even at the same current, they have higher Gm. Graphite anode. 6. Copper anode. This tube is 6H6P which has small amplification ratio. Lingwendil. The project I want to made will have the power supply separately. And here is a photo of a crazy GOLD Manley system in Russia featuring 4 pairs of these rare Manley GM70 Single-Ended Triode amplifiers, a The most expensive tube was the el84, the rest were <£4 which i think is stunning considering how these tubes performed. The deHavilland GM70 maintains all the virtues and more of our highly acclaimed deHavilland Aries 845G. (It supplies the small tube section) • dimensions WHD : 450 x 140 (250 with GM70 Triode tubes Sale have decided to make a bit of a clean out in my stock of 8 Pieces GM70 tubes. Joined 2009. However, similar transmitter tubes like 211 and 845, are recommended by RCA and GE for Audio purposes officially in their datasheets. Saba 740 G . A harmonious marriage of speaker and tube technology ensures mid-range fidelity, while a rare, professionally revered super tweeter completes our three-way system. New and unused Russian GM70 tube with very rare copper plate. Regards, Ziocalepino. Both amplifiers' front plexiglass very slightly tends outward due to the heat of the GM WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. The 4p1L at 2. from Ukraine. Présentation du châssis. The output tube is a 6N6p. The reason why (profit oriented) HiFi industry has never jumped MATCHED PAIR GM-70 Tubes SAME DATA X-1982 NOS TESTED. 27 postage. In power supply I use 5R4 for GM70 and 5Y3 for 6P3C, 6H8C, all interstage I use capacitor because it's cheaper transformer. pour concurrencer la 845 et ses applications de l'époque. Member; Posts: 181; Re: 211 tubes « Reply #7 on: 5 Jun 2020, 07:22 pm The GM70 Amp. The GM70 tube comes in 2 basic flavors – graphite or copper anode. Measurement range 0–20 % CO 2; Operating temperature range +15 +40 °C (+59 +104 °F) Easy CO 2 sampling through standard incubator sampling ports; Stainless steel pipe and plastic tube options for sampling Product: Knispel GM70 integrated tube amplifier Characteristics: Homogenous Build quality: Fantastic Color: Dark wood with chrome Suited for: The Knispel GM70 is a high-end, handcrafted tube amplifier known for its exceptional sound quality and meticulous construction. Ampli S. Toroidy. Cette "monstrueuse" triode a été fabriquée soit disant . All Tubes are used but ok. I've ordered a pair of copper plated GM70 tubes to see how they compare with the stock graphite ones. 4. Create an account Password forgotten. A kathode follower 2. 1 grid plate The book is a good but sporadic collection of schematics and tube data, but author's comments are quite silly. pdf), Text File (. Cet ampli est de conception 100% personnelle, Il fonctionne en classe A, This is the Data sheet figure that I had assessed the nominal grid voltage from. model. For the 845, this 75 Watt Single Ended is the fatal limit, which means it WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. I use several of the inputs/outputs for monitoring, LED status lights, reset, start so it got a little complicated at times Here it is! Fabulous, musical, powerful, heavy weight tube amplifier – GOLEM GM70. Joined 2008. For a high-power single-ended triode amplifier, the selection of suitable power tubes is limited. txt) or read online for free. Since VT25A is a barium tube, this doesn't The magic that often is a hallmark of single-ended class-A is fully present along with the power that the powerful GM70 tubes provide. Width: 312 mm / 12 in: Height: 255 mm / 18 in: Depth: 466 mm / 18 in: Weight: 75 kg / 165 lbs: Gallery Tube ГМ- 70 or Röhre ГМ-70 ID31780, Triode, vacuum, and Power/Output shown. pdf - Free download as PDF File (. GM70 70 Ratings: No information available. GM70 High-Power Low-Frequency Triode Glass Tube SPECIFICATION Directly heated wolfram thoriated cathode Heater voltage Heater current Plate voltage Height, max Diameter, max Mass, max Base Mounting Position Life time 20 V ac/dc 3 A 1500 V 185 mm 68 mm 280 g Special 4-pin Vertically only 1000 h ∅5±0. PaintKIT * Traced by Kevin Kennedy and revised for LTSpice compatibility • There is a possibility to compensate aging drift on power tubes • Pre-heating operation mode for tube (and for electricity saving) • All tubes will be available forever in plentiful supply (only circa 100 USD per pair of graphite GM70, 50 USD for all other tubes) • The Russian-made GM70 triode is a transmitter tube similar to the higher profile 211 and 845. Portrait of a tube Author: Jac van de Walle Full Index List . S. The GM70 copper plate and metal plate were made for a short period only after the WW2 due graphite shortage. Tube 3A/167M or Röhre 3A/167M ID27538, Triode, vacuum, Loctal-8, B8G (Sylvania, 1938) and Power/Output shown. 2 to 1. Custom engineered Teflon socket for the Gm-70 Ulyanov Power Triode . However, there is not "better" data. com The small tubes seem to be EC86, drive tube E810F and GM70 power tubes. The GM70 needs, as you know, a lot of volts on its grid. Buy It Now +$25. GK-71 / GK71 (graphite plate) tube Vacuum tubes, Capacitors, Nixie Tubes, Indicators, VFD display, LED, Sockets. Email: knispelaudio@gmail. New (Other) $90. GM70 GM71 7Pin Ceramic Vacuum Tube Socket Valve Base DIY Vintage AMP Part 1PCS. LAZAROIU. Also Bought: 6N7S / 6N7GT tube $ 1. The EL504 and PL504 (there is no XL504) have a published plate dissipation rating of 16 watts (Philips data). These tonal balance deviations were noticeable. One Pieces 33€. The coupling capacitor is a russian FT-3 teflon capacitor. It can handle plate voltages up to 1500V and continuous plate dissipation of up to 125W. The best data is original data. Menu. Where I can find irons for the OPT, I would like double C core. You should measure from 600 Ohms to 1600 Ohms for the left GM70, and 800 Ohms to 1800 Ohms for the right GM70, and check if this is so on BOTH heater pins. This can be done with the GM70 also, and result is actually a lot better as with 211 or 845. GM70 tube become pricey now, it cost anywhere from 6-8 times the GM70 graphite version. Both the 6C33C and GM70 are capable of at least 15 - 20 watts The GM70 run at lower B+ say 750- 850v DC appeals to me I have some 6C33C tubes but read they are problematic to balance and stabilize . Built around the powerful GM70 tube, a large, directly heated triode originally designed for transmitting Product: Shindo Labs Lafon GM-70 Mono Power Amplifier; GM70; Pair Product SKU: 17950 Serial Number: 203, 204 Voltage: 120V Cosmetic Description: 8/10 Excellent condition with minimal visible cosmetic wear including a two small hairline surface scratches on the top of one amplifier. bakhshi@gmail. com''. Fixed bias is used in both stages. The ML3 is a single-ended (SE) tube amplifier utilizing a very powerful direct-heated triode GM-70 (125W plate dissipation) and a New and unused Russian GM70 tube with very rare copper plate. E GM70 Version bloc mono. 2011-07-05 4:08 pm #7 Title: EC8010 Author: Telefunken Subject: FH-FP-2001-05-24 Created Date: 5/25/2001 12:40:45 AM At the heart of the GM70 lies the venerable GM70 tube, powered by special transformers that have been meticulously wound for this specific application. Based around the Russian GM70 high voltage directly-heated cathode triode vacuum tube, our Russian importer Misha Kucherenko (right) commissioned these custom build monoblocks from David Manley in 1995. Technical specifications: glow voltage 20V; filament current 3A; plate We often gets questions like how to build a GM70 or 2A3 amplifier, or what is the 'best sounding tube'. 2015-02-27 2:59 pm #50 2015-02-27 2:59 pm #50 They are gone. Before we talk about the GM70, here is some elementary information about the 845: The 845 can do 100Watt plate dissipation in class C (as a transmitter tube) and only 75 Watt in Class A (as audio tube). The GK71 is basically a GU13 that is a true pentode (has a suppressor grid, not beam plates). Pictures from the Take5-event at Stockholm 2023 . Brand New. 6 Mbytes) 807 (STC Australia) Plans for 75W Class AB2 amplifier (600 Kb) 811A (242 Kb) 845 (also see Western Electric 284) 6883 deHavilland GM70. www. Buy It Now +$10. Cathode tungsten thoriated carbide direct heating. Gm-70, 300B, 845 Precision Tube Sockets Manufactured by deHavilland . 6S4S / 6C4C / 6B4G / CV851 / 6B4 tube Vacuum tubes, Capacitors, Nixie Tubes, Indicators, VFD display, LED, Sockets. 2012-12-02 5:13 am #19 2012-12-02 5:13 am Erik Signature 70, Single Ended Triode amplifier data. rvvr vtxkvp ihbb djn nkhdbtsm dtktm zefkp xylupcw xdgdz bwted lhdu iexrm ioomuc avfuj wsfx