hey allya. aquired a tube amp. 2- 5u4 , 2-6l6, 2-7027, 2-12ax7, has a single input . has2 outs to speaks. that being volume knob and out put jack to keys... and volume knob and output jack to bass pedals. 1 big pwr trany. one smaller output trany... home stereo potential???? preferred i got guitar amps already. got this so cheap i thought if a got another id have right and left. just needin pre amp.. dire need of a schematic ????