Jazz fender preamp

Description

Jazz fender preamp
Module basically worked according to the MarcusMiller SIRE V7 scheme, BUT IT IS MECHANICALLY DESIGNED FOR MONTING on classic four holes JazzBass control plate.
Active 3 bend preamp with bass/treble and variable midshift bust/cut controls for BASS GUITARS .
Feeds: JazzBass, JB MarcusMiller model and other similar guitars.
Controls:
Bass Boost/Cut
30Hz +-14dB
40Hz +-12dB
50Hz +- 11dB
Mid shift fom         100Hz  (extreme left potentiometer position)
300Hz (central potentiometer position)
Continuous up to   2KHz   (extreme right potentiometer position)
Mid Boost/Cut
+-15dB
Treble Boost/Cut
7K +-15dB (Brilliance)
WIREING AND ELECTRIC FEATURES::
RED  - battery 18Vdc (2x9Vdc), POWER CONSUMPTION 1mA, (Checked, also work on 9Vdc !!!)
BLACK  - gnd
GREEN - output
Pickups signals (neck and bridge) need to be reeled on middle contacts of Balance potentiometer as shown in the last photo ("Bourns" ballance pot. 2x500KMN)
NOTE:
SMALL DIFFERENCE FROM MODEL ON PHOTOGRAPHY, MODEL WHICH SELL ON FIRST POSITION HAVE VOLUME POTENCIOMETER, ON SECOND IS BASS/TREBLE, ON THIRD IS MIDSHIFT/MID AND ON LAST POSITION IS BALANCE POTENCIOMETER.