Amplifier Circuit Diagrams & Schematics.
Valco 'Supreme' Schematic, 510-1.
Valco Schematic, 510-11.
Valco Gretsch 6150
This circuit is very similar to all small amps, (no tone control, 5Watts output and 8"speaker of the 40s, 50s and 60's, such as the National 'Studio 10' (1965) and 'Westwood 1201E (1959)'.