Onboard Bass Preamp MB4K

Description

Sadowsky Onboard Bass Preamp MB4K, Electronics Replacement Kit for Electric Bass, Pre-wired onboard bass preamp with mid boost function for J-style basses with a metal control plate, Active preamp for passive pickups, 4-knob layout with controls for master volume / balance / vintage tone control (P/P) / treble and bass (tandem) / mid boost switch, Push/pull function on the VTC control for preamp bypass, Frequency range 5 Hz - 50 kHz, Bass control provides +18 dB boost at 40 Hz, Mid Boost switch provides +10.6 dB boost at, 500 Hz, Treble control offers +18 dB boost at 4 kHz, Total harmonic distortion (THD) 0.18% at 1 kHz, Power supply with a 9V battery, Current consumption: 9 mA, Up to 870 hours of battery life, Input impedance: 1 MOhm, Output impedance: 1 kOhm, Includes 0.

1 µF replacement capacitor for the VTC module for better treble attenuation when used with Sadowsky Soapbar pickups.@+*Note:* Can be mounted either with the control plate or through an electronics compartment.