PRE is an always on preamp, based on the Echoplex. It has a buffer and internal voltage doubler. Switch between two settings: dark and bright. Knob control for saturation.
Specifications:
- 96mm x 48mm x 47mm
- 1/4" mono jacks
- 2.1mm DC Connector
- 9V to 12VDC center negative power
- Current draw: 25mA