[geeks] Stupid Electronics Help...

Jonathan Katz jon at jonworld.com
Sun Dec 30 21:43:59 CST 2012


Nothing exists except for oddball adapters that are no longer manufactured.

Sent from my mobile device. Please pardon any brevity.

On Dec 30, 2012, at 10:25 PM, Lionel Peterson <lionel4287 at gmail.com> wrote:

> 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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