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Post subject: Concentric Potentiometers
Posted: Tue Feb 25, 2020 6:35 am
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Greetings:

I have a 2018 Fender Parallel Universe '51 Telecaster PJ Bass that uses a concentric stacked "Volume" pot for controlling the individual volumes on the bass. Each one works fine individually, however in a blending mode, things seem to go haywire, especially when turning both sections of the pot all the way up. Overall volume drops off probably 50%. I have looked all over the place for an explanation and/or a useful wiring diagram (found a number out there but to no avail) but keep coming up with the same results.

Anyone have any ideas on this, short of modifying the control cover and adding a third pot to give me two volume pots and a tone pot (would use Bourne mini-pots)?


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Post subject: Re: Concentric Potentiometers
Posted: Tue Feb 25, 2020 8:30 am
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Seeing wiring diagram or a sketch of the wiring we may found how to.


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Post subject: Re: Concentric Potentiometers
Posted: Wed Feb 26, 2020 8:27 am
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I have tried each one of the below shown diagrams and came up with pretty much the same bad results. I have also tried this with multiple concentric pots.

Image
Image
Image
Image
Image

Updated - Should see images


Last edited by SteveTR1 on Thu Feb 27, 2020 11:39 am, edited 1 time in total.

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Post subject: Re: Concentric Potentiometers
Posted: Wed Feb 26, 2020 1:14 pm
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I can't see picture :(


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Post subject: Re: Concentric Potentiometers
Posted: Thu Feb 27, 2020 11:39 am
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Should see them now.


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Post subject: Re: Concentric Potentiometers
Posted: Thu Feb 27, 2020 12:12 pm
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SteveTR1 wrote:
Should see them now.



Yes. :)


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Post subject: Re: Concentric Potentiometers
Posted: Thu Feb 27, 2020 4:15 pm
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Wow. Problem solved.


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