See other Randall Amps in the Randall Amp Hall of Fame!

Randall Amp (grey)

The Randall Amplifier was designed for a construction class at the Randall Museum in San Francisco. Four such classes have been given so far.

The Randall amplifier is no longer available. However, the schematic diagram is in the One Electron Tech Library, for those interested in building it from scratch. The One Electron transformers are available from Antique Electronic Supply.

The Randall Amplifier is a vacuum tube amplifier with the following features:

Randall Amp (black)

The Randall amplifier can be wired for the following line voltages (50 or 60 Hz): 100V, 110V, 120V, 200V, 210V, 220V, 230V, 240V.