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GU50 SingleEnd Amplifier - Pastisch
http://pastisch.se/ror/gu50.htm
GU50 SingleEnd Amplifier. I scratched the GU50 as I believe I ruined the tubes - they could be positioned in almost any position if the "collar" was removed. My GU50s glowed bright orange! After som rethinking I converted the amps to …
Linear Amplifier with GU50 450W (ГУ-50) 27-28 MHz | TUBES ...
http://www.tubes.rs/linear-amplifier-gu50-450w-%d0%b3%d1%83-50-27-28-mhz/
Linear Amplifier with GU50 450W (ГУ-50) 27-28 MHz. This amplifier is based on schematic of famous Zetagi BV131, but instead EL519 6KG6 which is very expensive today I’ve used Russian military tube GU 50, which is actually copy of …
high performance GU50 stereo tube amp from AudioValve germany
https://www.audiovalve.info/assi100/audiovalve%20assistent%20100.php
tube amplifier and many other technical describtion around the range of audiovalve tube power and pre valve amplifier with many hifi magazine reports
GU50 - JACMUSIC
https://jacmusic.com/techcorner/ARTICLES/English/Portraits/GM50/index-GM50-Portraits.html
The are excellent at medium voltage and relatively high current. Like at 380V, 80mA is a very nice working point, same as 300B. Yet Gu50 probably can go at 380V, 100mA also very nice, but 300B would like appreciate that. The Bakelite tops you can …
GU50 (FU50) with 6SJ7 amplifier - some help | diyAudio
https://www.diyaudio.com/community/threads/gu50-fu50-with-6sj7-amplifier-some-help.369958/
GU50 (FU50) with 6SJ7 amplifier - some help | diyAudio. WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES. Building, troubleshooting and testing of these amplifiers should only be. performed by someone who is thoroughly familiar with. the safety precautions around high voltages.
75 WATT GU-50 AM TUBE SHORTWAVE TRANSMITTER
https://www.stationqrp.com/data/gu50transmitter.pdf
For use on HF the frequency response of the audio needs to be altered to cut frequencies above 6kHz and below 200Hz. The preamplifier pcb incorporates circuitry to do this as well as the ability to mono up a stereo feed on L and R if required. The audio input impedance is 10K.
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