Friday, January 13, 2023

Bouyer ST30, Bouyer ST20 Valve Amplifier schematic diagrams

 

Bouyer ST20 Valve amplifier Schematic

Used valves: EF86, ECC83 (12AX7), 6L6, GZ34


Bouyer ST30 Valve amplifier schematic

Used valves:EF86, 12AX7 (ECC83), 6L6, GZ34