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Re: Line out audio over phone cable?



"Michael Burr" wrote:
>
> Thanks for your thoughts Robert.  I thought I'd start with line-level and
> work my way up to speaker level if signal quality becomes an issue.
>
> My biggest concern right now is wanting a "sanity check" on the idea
> regarding form and current - don't want to fry wires in the walls.

OK, not to worry, Michael.  You won't fry the wires with line level audio.

> As I understand it - typical current between line-level devices is in the
> very low ma range and my 24G solid copper wire can take at least 500 ma.
> One end will be line-out from a PC sound card and the other the FM
> transmitter.  I haven't found specs on it input impedance, but it has
> typical line-in and will accept even MP3 players as input.

There shouldn't be a power issue with your plan.  The only question is whether
you'll pick up noise.  I'd try it using just the wire and see.  Then if you
still need baluns you've lost nothing.

--

Regards,
Robert L Bass

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