My current bass has 4 knobs and 3 switches.
- Volume
- Volume
- Mid
- Bass/Treble Stack
- Active Passive switch
- 3 way mid selector
- 3 way highs select
- Volume/Tone (stack) - need tone to be both active and passive
- Pickup selector (pan)
- Mid
- Bass/Treble Stack
- Active Passive switch
- 3 way mid selector
- Maybe make the last switch series/parallel