B504 (500K) pot behaving weirdly

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B504 (500K) pot behaving weirdly

Postby electricmonk » Jun 17th, '16, 11:28

Hi!

I just measured all of the pots and I think I got a bad one.

Looking from the side pins facing toward me:
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1  2  3


Measured resistances:

between 1 - 2 -> from 3R to 390K
between 2 - 3 -> from 0 to 347K
between 1 - 3 -> from 347K to 427K to 388K

The weird part is that the resistance changes between 1 and 3 when turning the pot. This doesn't happen on the other B504 pots.
When I measure the other ones I get:

1 - 2 -> from 0 - 455K
2 - 3 -> from 3R - 455K
1 - 3 -> 455K (not changing)

1) Should I get a replacement before soldering this one in?
2) Would e-licktronic send me a replacement part?
3) If not, what's the Mouser part number (or what's the manufacturer's part number)?
4) Could this explain why some people experience too loud/too low instruments?
electricmonk
 
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Joined: Dec 8th, '14, 09:25


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