• 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.

Something Like A 6EU7?

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I have several low power Tx's (250-0-250, 90mA). I would like to use something like the 6EU7 for the gain stage to keep the load down.

The basic requirements are 6V heater, 1ma to 4ma plate current, twin triode, max plate 100V-300V, economical (maybe Russian). SE 6BQ5 (pentode) output.

Any ideas?
 
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