The bass is almost ready, a new pick guard need to be cut and installed, but I did not resist to try it.
All the potentiometers are 500K. The Volumes are Logarithmic and the Tone is linear.
New configuration will have 250K pots for the split pickups.
All the pots Linear and no capacitor selector.
Humbucker: DiMarzio (original from Yamaha ATT SPL, unknown)
Middle: DiMarzio (original from Yamaha ATT SPL, unknown)
Bridge: Wilkinson MWPB