Saki,
The Axiss website is the only one I know of.
From memory, ATM1 output tubes are 4 EL34s, a pair of input tubes, which I don't recall, and a 5AR4 rectifier, which isn't worth rolling. Power is around 35w/ch. Biasing is standard old school, drop a wire into a hole to read your meter, and adjust a small screw for each output tube. It wasn't tough, as I recall. No familiarity which the S model. Cheers,
Spencer
The Axiss website is the only one I know of.
From memory, ATM1 output tubes are 4 EL34s, a pair of input tubes, which I don't recall, and a 5AR4 rectifier, which isn't worth rolling. Power is around 35w/ch. Biasing is standard old school, drop a wire into a hole to read your meter, and adjust a small screw for each output tube. It wasn't tough, as I recall. No familiarity which the S model. Cheers,
Spencer