Tube Audio Amplifiers Needn’t Be Complex. 25 Comments . by: Jenny List. ... It’s a conventional tube amplifier circuit in which the triode is a preamplifier for the pentode power ...

The schematic shows one channel of a stereo amplifier, and the power supply is sufficient for both channels. Transformer T2 supplies the voltages required for the vacuum tube plates. Selection of the ...

It follows a so-called ultra-linear circuit, ... as almost all audio tube amplifiers do. Report comment. Reply. Jesse says: January 4, 2023 at 8:34 am ...