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FDP Forum / Fender Amps: Vintage (before 1985) / Replacement volume pots

roadhog96

USA / Sesame St.

Feb 5th, 2017 11:11 AM   Edit   Profile   Print Topic   Search Topic

Can anyone recommend a replacement that is as close in looks and ohm rating to an original volume pot for a Fender Blackface amp? Thanks

(This message was last edited by roadhog96 at 01:24 PM, Feb 5th, 2017)

Peegoo
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The spotlight

looks like a prison break
Feb 5th, 2017 12:57 PM   Edit   Profile   Print Topic   Search Topic

A CTS-brand pot, available via the Amplified Parts link above.

Get one that matches the schematic for your amp (correct rating, correct taper). Also check to see what the shaft is on the original pot, because the replacement needs to match the original control knob (knurled or smooth shaft).

roadhog96

USA / Sesame St.

Feb 5th, 2017 03:08 PM   Edit   Profile   Print Topic   Search Topic

It's speced as 1Meg smooth solid shaft but I don't know the taper. Were do you find the taper without pulling it and testing it. I thought they were all audio taper.

(This message was last edited by roadhog96 at 09:25 PM, Feb 5th, 2017)

amphead4

Cincinnati, USA

Feb 6th, 2017 08:25 AM   Edit   Profile   Print Topic   Search Topic

Blackface volume pots were audio (logarithmic) taper.

If you look deep enough you will find that some manufacturers offer different types of audio or log taper but for practical purposes you won't notice the difference.


Hammond101
Contributing Member
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So. Cal. USA

Feb 6th, 2017 10:41 AM   Edit   Profile   Print Topic   Search Topic

The page linked below is what you need. Select the 1M version when ordering.

1M solid shaft

roadhog96

USA / Sesame St.

Feb 6th, 2017 11:23 AM   Edit   Profile   Print Topic   Search Topic

Thanks everyone for your help, these CTS pots aren't expensive at all, I would have thought they were. I have seen a few of these pots and even though they have the same ohm resistance the tolerances were speced different.

FDP Forum / Fender Amps: Vintage (before 1985) / Replacement volume pots




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