AUDIO Amplifier A.C.-D.C. Tube powered 1948 How-To build PLANS
USD 7.89 USD
"Compact Hi-Quality Multi-Purpose Four-Tube A.C.-D.C. Amplifier". Plans for a audio Amplifier. We do not photocopy these. & Plans from a Bygone Era. Get images that. make Supersized seem small. Complete Instructions.