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DIY FX Loop Volume Control - Audio or Linear Pot?

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(@slejhamer)
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Joined: 22 years ago
Posts: 3221
Topic starter   [#38330]

I need a simple volume control for my fx loop.

Similar controllers are on ebay for $20 to $50, but they're basically just two jacks and a 100K pot in a box. I have a bunch of salvaged parts sitting around, so thought I'd wad up some chewing gum and stick the pieces together.

Question is: audio or linear taper pot? And does it even matter much?


"Everybody got to elevate from the norm."


   
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(@blue-jay)
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Joined: 17 years ago
Posts: 1630
 

"Since our hearing has a logarithmic response to sound pressure, it is important that the volume control should provide a smooth variation from soft to loud, such that a given change in position of the pot causes the same sensation of volume change at all levels."

That's taken from here, the law of pots (taper), y'awwlll better obey that law :lol: http://sound.westhost.com/pots.htm

So, it ought to be audio for your cool volume control creation. Linear is supposedly a complete lack of taper, but it can not be argued, so that's why we get along. 8)


Like a bird on the wire,
like a drunk in a midnight choir
I have tried in my way to be free.


   
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(@slejhamer)
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Joined: 22 years ago
Posts: 3221
Topic starter  

the law of pots (taper), y'awwlll better obey that law :lol: http://sound.westhost.com/pots.htm

I will obey the law, sheriff! :lol:

Thanks Blue Jay; that's what I expected but wanted to make sure. 8)


"Everybody got to elevate from the norm."


   
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(@blue-jay)
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Joined: 17 years ago
Posts: 1630
 

You're welcome, all good. :D


Like a bird on the wire,
like a drunk in a midnight choir
I have tried in my way to be free.


   
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