Fanatic1 Posted April 16, 2018 Report Share Posted April 16, 2018 Hi Guys, can you help me please?I need to wire a G&L 2500.It has 1 Vol 1 Bass 1 Treble and 3 switches.Attached is wiring diagram.https://www.bassesbyleo.com/paul/g&l_bbe_wiring_diagrams/basses/l2000_wiring_diagram_omg.jpgI bought Aguilar OBP3 TK preamp with 3 pots and 1 switch. And two Aguilar humbuckers.v-tbstack--msw.pdfI don’t have stack pots, and I want to wire exactly as the original version. I found that wiring diagram for OBP3 3 knobs and 1 switchShould I use the original 250k pots or the 50k included in OBP3Can you help?Thank you! Quote Link to comment Share on other sites More sharing options...
mistermikev Posted April 24, 2018 Report Share Posted April 24, 2018 this won't be the most scientific answer and I know that's probably what yer lookin' fer so take with grain of salt... in this case the preamp isn't using a volume on the backside of the circuit... so I would go 250k Quote Link to comment Share on other sites More sharing options...
KeithHowell Posted May 15, 2018 Report Share Posted May 15, 2018 If the OPB3 is specifying a 50k pot for volume that's what you should use. Without a circuit diagram of the OPB3 preamp its not possible to say if a 250k will make a difference or not BUT the 50k is probably an integral part of the preamp circuit and will most likely give you all sorts of unknowns if you change it to a 5 times higher impedance. Quote Link to comment Share on other sites More sharing options...
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