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How to adjust JP15 dB boost ?

J

JP15

New member
Joined
Jul 6, 2020
Messages
2
I screwed around with the small dB boost pot in the back of the guitar and now I would like to set it up to factory setting of +20dB.
How can I achieve this ?
I have dB meter and a multimeter if this is anyhelp.

Thanks
 
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