@chungjh are you sure the issue is with the amplifier and not with room and speakers?
or possibly the preamp or preamp tubes?
have you tried different tubes for the sachs preamp?
most 6SN7s can be overly smooth.
just trying to help you avoid chasing the wrong dragon.
or possibly the preamp or preamp tubes?
have you tried different tubes for the sachs preamp?
most 6SN7s can be overly smooth.
just trying to help you avoid chasing the wrong dragon.