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U RETRO PREAMPS by John East

The U-Retro, based on the J Retro 01 is a universal highly flexible on-board dual input preamp and EQ system. The standard pots have 10mm threaded bushes to allow rear mounting in the wood of a bass body, or 6mm bushes, for plate or scratch plate mounting, can be supplied to special order. Flat wire connections to the pots and toggle switches allow for flexible layout.


John East U Retro Onboard Bass Preamp

U-RETRO 01 Preamp

3 knob, 2 switch version

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John East U Retro Onboard Bass Preamp

U Retro 01 Deluxe

4 knob, 2 switch version - same as above version but with a passive tone knob.

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John East U Retro Onboard Bass Preamp

U Retro 5 Knob Deluxe

5 knob version

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