To wire MN (1Z2Z) taper potentiometer, swap positions of the following wires: Bridge P.U. and Neck P.U.; Volume jumper and GND. Value depends on pickups. Use values recommended by pickup manufacturer. Inserting 1/4” plug applies power to OBP-3. Pots shown rear view. For single pickup, eliminate blend pot - wire pickup directly to volume pot. GND 1Meg, 1/4W resistors optional, they reduce switch click. MID.SELECT switch can be a stand alone switch or part of the push-pull potentiometer. Wiring is the same in both cases.
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To wire MN (1Z2Z) taper potentiometer, swap positions of the following wires: Bridge P.U. and Neck P.U.; Volume jumper and GND. Value depends on pickups. Use values recommended by pickup manufacturer.Inserting 1/4” plug applies power to OBP-3.Pots shown rear view.
For single pickup, eliminate blend pot - wire pickup directly to volume pot.
GND
1Meg, 1/4W resistors optional,they reduce switch click.
MID.SELECT switch can be a stand alone switch or part of the push-pull potentiometer. Wiring is the same in both cases.
To wire MN (1Z2Z) taper potentiometer, swap positions of the following wires: Bridge P.U. and Neck P.U.; Volume jumper and GND. Value depends on pickups. Use values recommended by pickup manufacturer.Inserting 1/4” plug applies power to OBP-3.Pots shown rear view.
For single pickup, eliminate blend pot - wire pickup directly to volume pot.
GND
1Meg, 1/4W resistors optional,they reduce switch click.
MID.SELECT switch can be a stand alone switch or part of the push-pull potentiometer. Wiring is the same in both cases.
GND
To wire MN (1Z2Z) taper potentiometer, swap positions of the following wires: Bridge P.U. and Neck P.U.; Volume jumper and GND. Value depends on pickups. Use values recommended by pickup manufacturer.Inserting 1/4” plug applies power to OBP-3.Pots shown rear view.
For single pickup, eliminate blend pot - wire pickup directly to volume pot.
1Meg, 1/4W resistors optional,they reduce switch click.
MID.SELECT switch can be a stand alone switch or part of the push-pull potentiometer. Wiring is the same in both cases.
1Meg, 1/4W resistors optional,they reduce switch click.
MID.SELECT switch can be a stand alone switch or part of the push-pull potentiometer. Wiring is the same in both cases.
*Optional. A passive tone control can be added to any of the wiring schemes on pages 1-4.Pots shown rear view.
FROM VOLUME CONTROLS
250K AUDIO TAPER POTENTIOMETER
TO OUTPUT JACK
.022uF 100V FILM CAPACITOR
GND
ADDING PASSIVE TONE CONTROL
PASSIVETONE*
MID.SELECT switch can be a stand alone switch or part of the push-pull potentiometer. Wiring is the same in both cases.
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