When using your own Control Knobs: Single Pots are 6mm in diameter, Stacks are 6mm/8mm - all knobs will need a set screw

True organic sound with superb string touch response.

Active Balance or Volume / Volume pickup mixing systems expand the useful pickup mixing combinations.

Active Tone controls have a flat frequency response in the center detents and support both subtle and more extreme sculpting.

Supports all types of active and passive pickups.

Easy to install:

  Small in size to fit in most control cavities.

  Pots and switches are on wires and can be positioned as needed to fit your bass body.

Battery box is not required but can be used if present.

Runs on either 9 or 18 volts and sounds the same in almost all cases.

We designed our unique electronic circuits using high quality industrial components.

We build our surface mount circuit boards in house and assemble the preamps in South Beach, Oregon, USA.