Building the Push Pull Parallel Triode Amps

Push Pull Parallel Trioded 6L6 / EL34

Mono Amps using ElectraPrint OPT and Hammond Power Transformer

Pete Millet's Universal "UNIAMP" boards from 2001 with Sowter 3575c input transformers used for signal splitting.  Pete's Universal Driver Board

 From Tube Cad Journal:   https://tubecad.com/2021/03/blog0531.htm

Output tube bias from cathode bias with the TCJ Harder Still circuit using 8 of these circuits.