Transformer balanced dual valve microphone pre-amplifier using Jensen transformers, 2 x instrument inputs @ 1M ohm, and separate balanced line inputs.
The TPA-200B has input and output pots for each channel, phase reverse, 48V phantom power, and pad. It also has overload and overdrive indicators. Line ins let you valve up an already recorded track. Controllable from clean to overdrive.
Balanced XLR I/O. 2U.