Behringer Preamp Booster

A forum devoted to mod, tips and suggestions for upgrading and rehousing your VERY CHEAP commercial stompbox to near boutique excellence.
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frank.clarke
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Post by frank.clarke »

This is $20, opamp Gain Treble Bass. just add your fave clipping element, such as a FET, MOSFET, CD4049, NPN Ge, whatever. Add a master volume. Plastic case, so a lunchtime project. Just put something between the jack and PCB, some copper foil shielding. The PCB is small, plenty of room.
Or use it as a booster :).

Rotary switch for FET/Ge/4049/Mosfet.

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