Description
Volume B50K; Pickup MN250K.Bass: +/- 14dB 80Hz B100K; Middle: +/- 8dB 900Hz B100K; Treble: +/- 23dB 3-7KHz B100K.P1 should be wired with neck pickup positive; P2 should be wired with bridge pickup positive; GND should be wired with two pickups negative.High quality bass preamp, not inferior bass Circuit made in cheap factories.Please consult your local luthiers if you don't know how to install the Circuit