Re: OK to use TV coax for microphone?

"Ian Jackson" <ianREMOVETHISjackson@[EMAIL PROTECTED]
> wrote in message
news:6LMYsOWpwDHIFwVF@[EMAIL PROTECTED]
> In message <Xns9A936FA2EF13F451E7A@[EMAIL PROTECTED]
>, Chris Siz
> <default@[EMAIL PROTECTED]
> writes
> >I am in the UK and have a 10m length of some cheap TV aerial coax.  It
> >came from a discount store as a TV coax extension cable.  I measure the
> >cable diameter as 4.8mm.
> >
> >(1) Is it ok to use this sort of coax for a microphone?  I don't want
> >an impaired audio signal.  The length I need to use is 3 to 4 metres.
> >
> >(2) Is it ok for UHF TV or is it actually quite low grade coax and
> >prone to interference or mess up the aerial signal?
> >
> >
> While you might get away with using your cable, good screening/****elding
> becomes increasing im****tant at the lower frequencies, as the
> interfering signals (on the outside of the coax) penetrate more easily
> through the outer ****eld. Well-screened audio would be better. In many
> cases, 'flimsy' screening may be adequate at UHF (and the cable may have
> low loss) but, again, well-screened cable will be better for preventing
> interference. Maybe it's a case of try it and see what happens?

I would have thought the converse to be true, surely the "holes" in the
screening
braid would be less of a problem at audio frequencies than at UHF?
I am thinking in terms of wavelength.