Sadowsky Onboard Bass Preamp MB4F

Pre-Wired Onboard Bass Preamp for Electric Basses

• With 4-knob layout, mid boost switch, side jack and battery compartment
• 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
• Includes 0.1 µF replacement capacitor for the VTC module for better treble attenuation when used with Sadowsky Soapbar pickups.
• Longer cables between the potentiometers to ensure installation in basses other than Sadowsky basses
• Screw terminals on the balance potentiometer for solder-free installation of the pickups' hot & ground cables
• Without control plate
• Frequency range: 5 Hz - 50,000 Hz
• Bass control with +18 dB boost at 40 Hz
• Mid boost switch with +10.6 dB boost at 500 Hz
• Treble control with +18 dB boost at 4 kHz
• Total harmonic distortion (THD) 0.18% at 1 kHz
• Power supply with a 9 V battery
• Current consumption: 9 mA
• Up to 870 hours of battery life
• Input impedance: 1 MOhm
• Output impedance: 1 KOhm