This is my second, finished, stereo tube amp project, all hand-made (except metal part of chasis). I was used discreet components, low cost no expensive. It is a Williamson schematic, easy modified for my tubes. Well, the tube driver and phase splitter is 6N3P double triode, 6N1P double triode used as pushpull triodes which in turn were capacitance coupled to the grids of power tubes 6P3S-e for each block amp. OT's was calculated for Raa = 5.3K, UL outs at 23% (that fits for 6P3S, 6P3S-e, 5881 tube family)

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