[sdiy] Audio taper pots - shunt resistors and contact resistance

[Neil Johnson]

David G Dixon wrote:
> Of course, you could avoid all these problems by using the pot to change the
> control voltage of a VCA.  Now, not only does the pot not have to carry the
> audio signal, but you can now easily put the pot's function under voltage
> control.  Given the availability of so many high-quality, low-noise VCA
> chips, and well-documented circuits for achieving all manner of audio
> manipulations with those chips, why should we still bother with physical
> pots for audio?

Cost.

Neil
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