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

[Dave Manley]

Based on the picture that Mattias linked, and the lines indicating sound travel, it is clear that noise can have an effect on man, and also that man can effect noise.  Perhaps the artist should have left a few lines off...

:-p

-Dave

-------- Original Message --------
 From: Mattias Rickardsson <mr at analogue.org>
 Sent: Wed, Sep 12, 2012 02:36 AM
 To: Neil Johnson <neil.johnson97 at ntlworld.com>
 CC: Robin Whittle <rw at firstpr.com.au>; Synth-Diy <synth-diy at dropmix.xs4all.nl>
 Subject: Re: [sdiy] Audio taper pots - shunt resistors and contact resistance

>On 12 September 2012 09:52, Neil Johnson <neil.johnson97 at ntlworld.com> wrote:
>> On 11/09/2012 15:54, Mattias Rickardsson wrote:
>>>>>
>>>>> Pots are imperfect devices.
>>>>
>>>> Is there any device which is not imperfect?
>>>
>>> A noise generator? :-)
>>
>> It's actually quite difficult to make a really good noise source.  It's easy
>> to make a poor quality one, but getting one that has a truly flat spectrum
>> that doesn't vary with temperature, age, etc, is tricky.
>
>On the other hand - why would a noise generator with truly flat
>spectrum be considered "good"? Nobody would prefer an oscillator or
>filter completely without imperfections, and the most interesting
>noise generators tend to be quite grainy-sounding or special in other
>ways. :-)
>
>"Poor quality noise" is also an interesting concept... ;-)
>
>/mr
>
>
>PS:
>http://sphotos-b.xx.fbcdn.net/hphotos-snc6/264890_10152017536460183_2104554710_n.jpg
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