Stereo tube amplifier 4 watts Amp tube guitar simple schematic project amplifier homebrew 12au7 amps diyaudio intercom old gearslutz El84 amplifier tube circuit 5w power diagram schematic se schematics vacuum audio single circuits triode stereo valve build supply output
Old Intercom guitar amp project - Page 3 - diyAudio
Simple high quality tube amplifier class a
5w tube amplifier with el84
Amplifier circuit built differ listed values .
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