Re: Electronic Interferrance

[Alexei M Voloshin <Alexei.M.Voloshin-1@tc.umn.edu>]

Make sure that your RCA's don't run on the same side of the car as all 
the other wires do. Also you may want to add a noise condenser to the 
power wire going to the amp (amp has its own power noise isolation, but 
that may not be enough).

Hope this helps.

Alex

On Fri, 10 Jan 1997, Dupree, Robert A. wrote:

> 
>  Using what I thought was better judgement; I went to a local Car Stereo   
> shop and had them install all new set or rear speakers (Kenwood component   
> set) and wire in my amp.  I had replace the Audi head with a Sony XRC-210   
> last year (adequate for now) and thought I would use the RCA outs to run   
> the rears.  I asked them to install a spare Coustic 30wX2 amp that I had   
> from another car.  They did a nice job on the install, but after it was   
> done there was a severe whine from the amp directly related to the   
> alternator / engine speed.
>  One lister had previously mentioned that a good monster wire set of RCA   
> cables solved his problem.  I am wondering if anyone else can point me in   
> the direction to eliminate simpler (less costly) options.  The shop said   
> that it was the fault of the amp  and that Coustics are known for crappy   
> electronic noise protection.  Why couldn't he have said this BEFORE the   
> install?  FYI: the whole power booster setup has been bypassed, as well   
> as the headphone jacks on the rear deck.  Also I was able to lessen the   
> effect by turning the gain down a bit, but I still hear it when   
> accelerating during periods of non-blasting music.  ALL IDEAS ARE   
> APPRECIATED
> 
> TIA
> Robert Dupree
> '87 5000CS Quattro
>