Based On: Bogner Uberschall Tube Amp
Uberknall Preamp by PCB Guitar Mania
This project is based on the frequency response of the Bogner Uberschall, part of the series ‘Develop your own Preamp’. It allows you to combine preamp sections of iconic amplifiers with different types of EQs to create a custom boutique pedal. This version comes with only a volume and gain knob to give you the most accurate tone. It also has a High Gain Mode option that gives you even more destructive power. The controls of this pedal include a gain knob, a level knob, and send and return pads to attach an external EQ. This pedal is designed for those looking for super heavy metal tones, and is not suitable for rock and roll drive. It is designed to provide an authentic sound with a lot of air and charm.
Download SchematicMore info from the Original Website (or PCB order)
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