6146B push-pull power amplifier

Dynaco PAS3 copy pre-amplifier

DC coupled pre-amplifier,

6C33C Single ended power amplifier

Marantz 7 type pre-amplifier

6C33C OTL, (Output Transformer Less) power amplifier

New DC coupled pre-amplifier

OTL type headphone amplifier

6C33C, my favorite output tube

Pictures of my amplifiers

Tubes for sale

Papers about tube amplifiers and tube related technology

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Created on ... October 6, 2002
Revised on 15 July 2004