JOHN EAST (E-PRO) PREAMPS

J Retro 01 / J Retro Deluxe / Darryl Jones J Retro
3 Band Onboard Preamp - $299 and up.

The J Retro 01 Bass Preamp is designed to fit directly into standard "Jazz" style basses without modification, including a PP3 battery. Its high quality circuit uses...

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U Retro 01 and U Retro Deluxe
3 Band Onboard Preamp - $299 and up.

The U-Retro, based on the J Retro 01 is a universal highly flexible on-board dual input preamp and EQ system. ......

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BTB MMSR MusicMan® Preamp
2 and 3 Band Onboard Preamps - $175 & up.

MM style BTB-01 which is designed to mimic the Pre EB MM style pre. All are fully wired, including jack and battery clip, which may be spliced into an existing battery box, as would be available, in most cases.

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Marcu Retro 01
(3 Band) Onboard Preamp - $325-350.

The MARCUS RETRO 01 was brought about due to requests from players owning the Marcus Miller basses. Most of the circuit is the same as the Retro except that the bass and treble turnover frequencies, or corner frequencies, are designed to match that of the Marcus pre. .....

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BTB-01
2 Band Onboard Preamp - $150.

The BTB-01 is based on the middle stack of the J-Retro 01 bass preamp. It consists of a single dual concentric knob stack with controls for Bass, Treble, and Bright functions.......

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