Design
This Is How a 300B Kit Became a Two-Stage 437A Amplifier
A Chinese 300B kit rebuilt with a single high-gain triode driver, chokes where it counts and a quiet supply, by Thorsten Loesch. Translated from the German original.
Design
437A - 300B
A Chinese 300B kit rebuilt with a single WE 437A high-gain triode driver, chokes where it counts and a quiet supply.