Where to buy .. potentiometer that is harder to turn

Earfanatic · 30th September 2011, 09:44 PM

Hello,

I have a quite heavy potentiometer knob (made of solid brass) and I need a single potentiometer for it. In fact the knob is so heavy it almost works like a fly wheel. I like the feel of turning the volume and this is too easy turning.

Resistance is no matter since it is read by an ADC.

Is there any potentiometers with eg. adjustable clamp, or anything that could be used?

Thanks

triode3 · 30th September 2011, 09:48 PM

Bob Mackie in the Tapco days used to pack the pots with heavy grease to make them harder to turn (to make them "feel" good)... On the other hand you could mill out the inside of your solid brass knob (since no one will ever see that side) to make it have less mass.

Enzo · 1st October 2011, 12:02 AM

If you can mount the knobs close enough to the panel, cut a washer out of felt and slip over the shaft before the knob goes on. The knob would then have the felt behind it creating drag. Just like the felt clutch discs on a cassette deck reel holder.

tade · 12:47 AM

Could you drill a quarter inch hole in the knob, and put a spring and bearing into the hole which would drag on the front panel? It will mar the front panel, but might be an elegant solution.

The drag mark from the bearing would of course be hidden by the knob itself.

Earfanatic · 1st October 2011, 08:13 PM

No, i do not have the mill and can not modify the knob with precision so I have to do something with the potentiometer shaft.

30th September 2011, 09:44 PM	#1
Earfanatic diyAudio Member Join Date: Apr 2010	Where to buy .. potentiometer that is harder to turn Hello, I have a quite heavy potentiometer knob (made of solid brass) and I need a single potentiometer for it. In fact the knob is so heavy it almost works like a fly wheel. I like the feel of turning the volume and this is too easy turning. Resistance is no matter since it is read by an ADC. Is there any potentiometers with eg. adjustable clamp, or anything that could be used? Thanks

1st October 2011, 12:45 AM	#4
tade diyAudio Member Join Date: Feb 2005 Location: Ralieigh nc	Could you drill a quarter inch hole in the knob, and put a spring and bearing into the hole which would drag on the front panel? It will mar the front panel, but might be an elegant solution. The drag mark from the bearing would of course be hidden by the knob itself. Last edited by tade; 1st October 2011 at 12:47 AM. Reason: posted too fast.

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30th September 2011, 09:48 PM	#2
triode3 diyAudio Member Join Date: Dec 2010	Bob Mackie in the Tapco days used to pack the pots with heavy grease to make them harder to turn (to make them "feel" good)... On the other hand you could mill out the inside of your solid brass knob (since no one will ever see that side) to make it have less mass.

1st October 2011, 12:02 AM	#3
Enzo diyAudio Member Join Date: Sep 2004 Location: Lansing, Michigan	If you can mount the knobs close enough to the panel, cut a washer out of felt and slip over the shaft before the knob goes on. The knob would then have the felt behind it creating drag. Just like the felt clutch discs on a cassette deck reel holder.

1st October 2011, 08:13 PM	#5
Earfanatic diyAudio Member Join Date: Apr 2010	No, i do not have the mill and can not modify the knob with precision so I have to do something with the potentiometer shaft.

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