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From: Soundhaspriority on 4 May 2008 10:34

"Richard Corfield" <Richard.Corfield(a)REVERSE.uk.me.littondale> wrote in
message
news:slrng1r4f3.cko.Richard.Corfield(a)gateway.internal.littondale.dyndns.org...
> On 2008-05-04, Soundhaspriority <nowhere(a)nowhere.com> wrote:
>> CORRECTION:
>>
>> The preferred impedance of the pot is 10X the output impedance of the
>> tuner.
>
> I've been lucky to deal with inputs that are at least two orders of
> magnitude higher impedance than the output I'm connecting the pot
> between, and in fact at least an order of magnitude higher than the
> rated minimum next stage impedance rating of the output.
>
> There was a rule when chaining passive filters, so a little more complex
> than you're doing, to make each one an order of magnitude higher impedance
> than the previous to reduce the effects they have on eachother. The
> effects for you are probably not a problem as long as you don't go too
> big.
>

Exactly. Excellent clarification, Richard.

Bob Morein
(310) 237-6511


From: Richard Corfield on 4 May 2008 12:19
On 2008-05-04, Soundhaspriority <nowhere(a)nowhere.com> wrote:
>
> Exactly. Excellent clarification, Richard.

Though I'd left out the small signal stuff which another post here
includes. Forgot that the cable became significant once you got more
than trivial lengths.

- Richard

--
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