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Re: Krell used 'em, back in the early days....

38.28.103.69

Much like a very small inductor Trevor, in the range of a few microhenries in single turn precision pots. The inductive reactance is inconsequential compared to the resistance in nearly all applications. A bigger problem is the one Rodney describes where the signal either has a DC component or a power pot is used which is not appropriate for this application. With a DC component though a plastic pot will suffer the same or worse consequences. I am not familiar with the early Krell product you refer to but it seems odd they would offer for sale a product if it had such an obvious flaw. But I don't know what type of pot they were using or how they were employing it in their design. I have successfully used Spectrol model 140 pots for years with none of the problems either you or Rodney describe.

Dave




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