[geeks] Stupid Electronics Help...

Lionel Peterson lionel4287 at gmail.com
Sun Dec 30 21:25:02 CST 2012


Are you SURE there isn't a patch cable that would give you an aux in? Maybe as
part of a Satellite radio setup?

That seems like an awful kludge for such a simple item.

Lionel

On Dec 30, 2012, at 9:13 PM, Jonathan Katz <jon at jonworld.com> wrote:

> Thanks, everyone!
>
> I found a DPDT at Radio Shack which seems to have solved my "crisis" 
other
> than the fact I mis-read the label and wired it up wrong. I gave up for
> tonight and will resume my shenanigans once it gets a tad warmer out.
>
> The whole goal is to add an AUX in to my wife's Volvo. Her Volvo has a
fancy
> sound system that uses the MOST fiber-optic stuff, so you can't just patch
> something in like with typical systems. Using one of the radio/FM
> mini-broadcasters is a PITA and the quality is horrid since the car has an
> antenna that is integral with the tailgate(!)
>
> Going through my pile of parts I had a spare car audio amplifier. I bought
it
> years ago at the firesale at Circuit City when they were going bankrupt.
>
> I put together an aux-in 3.5mm port on the dash and ran wires to where the
> MOST amp is under the passenger seat. I also ran a 12V switch on the dash
and
> wired the hot 12V wire to under the seat.
>
> The goal was to have the relay turn off the MOST amp (which is why when the
> relay is deactivated that pole should remain closed so operation is normal)
> and power on my amp. Then my amp would pump sound to the existing speakers,
> splicing into the existing wires to existing speakers. Because my spare amp
is
> only two channel and I'm powering five channels (LR, RR, LF, RF, and Center
> Front) I was planning on using diodes in-line on each channel so that with
the
> new amp hooked up I don't wind up bridging my entire set of speakers.
>
> My diode idea should work, right?
>
> On Dec 30, 2012, at 6:54 PM, rjtoegel <rjtoegel at gmail.com> wrote:
>
>> That's what I said. It's probably easier to find a dual throw than just a
>> plain NC. Even Rat Shack carries them.
>>
>> Bob
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