DIY Simple GU81 Tube Hybrid Amplifier (130 Watts RMS in a Class)
DIY Simple GU81 Tube Hybrid Amplifier (130 Watts RMS in a Class)
Jun 24, 2023
instructables.com
Amplifier with two GU-81M operating on 10m and 15m ranges.
1:37
Amplifier with two GU-81M operating on 10m and 15m ranges.
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