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New lot of 2 gm-70 GM70 hi-end triode tubes (graphite)


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2 Russian Power Triode GM-70 (graphite plate)
GM-70 is Power Triode, made in Russia in city Ulyanovsk. Designed by Svetlana factory in St.Petersburg, Russia 50. It has an underground audiophile following especially in Japan. The tubes can be used instead of 845 triodes but they require higher filament voltage (20 V) and different socket. I’ve hear a single ended amplifier with the tubes and the sound is magnificent smooth and very powerful (about 50 W per channel). The bass is not to be heard from any other SE amplifier. They are very good choice to use instead of very expensive vintage RCA 845 or junk Chinese 845, just use the different socket and filament voltage. The build quality is awesome.
The GM-70 directly heated triode vacuum tube is the largest output triode available in audio today! The sound is sweet, detailed, and stunningly dynamic. The 6AU5 combined with the Ulyanov GM-70 and innovative circuitry throws a huge soundstage, and maintains the right combination of pace, rhythm, and timing. The GM-70 amplifier produces 50 watts, and is designed to drive medium, as well as high efficiency speakers. The dynamic presentation is characteristic of an amplifier many times greater than its rated output.
Application field — Low frequency power amplification in special equipment
Brief application — amplification
Mutual conductance — 4,8 to 7,2mA/V
Maximum anode voltage — 1,65kV
5) Item will be carefully packed in strong box to protect them. You'll receive your item absolutely complete and without any defects.