This Sadowsky pre-wired onboard bass preamp is suitable for left-hand Sadowsky MetroLine and MasterBuilt Will Lee Artist Line and Singlecut basses. It features active 2-way electronics (boost only) with RFIP (Radio Frequency Interference Protection) for passive pickups. The 4-knob layout has controls for master volume, balance, Vintage Tone Control (VTC), treble and bass (stacked) with a push/pull function for preamp bypass on the VTC knob and a mini switch for mid-boost activation. The circuit board offers 4 mids adjustments: 500Hz Narrow, 500Hz Wide, 800Hz Narrow and 800Hz Wide, plus midrange boost volume adjustment via 2 trimpots located on the circuit board. The frequency range is 5 Hz to 50 kHz. The bass knob offers +18 dB boost at 40 Hz and the treble knob offers +18 dB boost at 4 kHz. Total harmonic distortion (THD) 0.18% at 1 kHz. Powered by a 9V battery that consumes 9 mA, the battery can last up to 870 hours. Input impedance is 1 mOhm, output impedance is 1 kOhm.

This item is only available as a direct replacement part for your Sadowsky MasterBuilt or MetroLine Will Lee Artist Line or Single Cut bass models. Proof of ownership is required. Please contact us for more information.

Article Number: SP S ML+MB ELEC WLPL