TinkercasterEMG BQC System 4-knob active bass preamp
Balance, volume, bass/treble and sweepable mid
EMG BQC System: the B118 balance control, master volume and the BQC's two concentric pots. The BQC board's five-pin header (Volts +, Output, Ground, Ground, Input) is where the chain plugs in.
Connections at a glance
Use the terminal labels below when planning your circuit. Check the manufacturer's documentation for your exact component revision.
| Terminal | Label | Role | Lead colour |
|---|---|---|---|
| V+ | Volts + | Power pos | Not listed |
| OUT | Output | Output | Not listed |
| GND1 | Ground | Ground · Ground | Not listed |
| GND2 | Ground | Ground · Ground | Not listed |
| IN | Input | Input | Not listed |