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DESCRIPTION & TECH
The BQS System HZ is a complete control and EQ system for passive bass pickups or EMG HZ pickups. It features a pre-wired balance control (blend), master volume, separate bass and treble pots along with the concentric/stacked mid-control.
All the EQ controls and balance control feature center detents. This active EQ circuit for bass guitars works by rotating the control clockwise to boost, counterclockwise to cut. There is a center detent for flat response.
The mid-range control has a variable frequency knob that allows you to sweep through the mid-frequency range from 100Hz to 1KHz. This selects the frequency to boost or cut.
All knobs included.
3 Band -- 5 Knob:
Volume -- Balance -- Treble -- Mid-Range -- Bass
BQS System HZ Wiring Diagram