Re: Insert cable crosstalk was:Re: mic cable for headphone
- From: kludge@xxxxxxxxx (Scott Dorsey)
- Date: 8 Jan 2008 09:39:57 -0500
Gareth Magennis <sound.service@xxxxxxxxxxxxx> wrote:
The particular instance I was thinking of was the Insert cable runs from the
desk, using unbalanced TRS insert points, to a remote patchbay of send and
return patch holes. I'm not yet convinced that the money spent doubling up
the cables in this unbalanced situation would not be better spent on a nice
mic, comp or set of monitors.
What happens is that folks plug in cables into the insert with nothing
on the other end, bring the fader up, and they hear crosstalk. This is
because the input on the mixer is high-Z with no source on it, so even
a little capacitance allows leakage.
Plug the cables into something that is operating but not passing any signal,
and that crosstalk goes away.
That said, cable is cheap. The amount of money you save by not doubling-up
cables won't pay for much. Especially if you use one kind of cable for
everything and therefore get a quantity discount.
--scott
--
"C'est un Nagra. C'est suisse, et tres, tres precis."
.
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