Evil Science Audio
Repairs & Restorations
Eico HF-81 Rebuild
Bogen MO-100 P.A. Amplifier
Dunlap-Clarke Dreadnought 1000
HP 200CD Wide Range Oscillator
Marantz 2270 Receiver
Tektronix Engineering Power Supply
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6KV8 Push-Pull Driver Board
Archive for the tag "directly heated triode"
Single-Ended 6B4G Amplifier
November 4, 2013
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