[urq] Re: Alternator noise to power AMP

[Ingo Rautenberg]

Have you tried running ground to body instead of directly to battery?  I
could be mistaken, but I don't think (nor have I ever) run the ground
directly to the battery. The important thing is to keep the power wires away
from the RCA wires.

Ingo

----- Original Message ----- 
From: "Ben Swann" <benswann at comcast.net>
To: "David" <duandcc_forums at cox.net>; <urq at audifans.com>;
<quattro at audifans.com>
Sent: Monday, April 04, 2005 10:34 PM
Subject: [urq] Re: Alternator noise to power AMP


> Ground to power amp is directly to battery using 10Guage wire.  Beefy
> positive going dierectly to battery too.
>
> Ben
> ----- Original Message -----
> From: "David" <duandcc_forums at cox.net>
> To: "Ben Swann" <benswann at comcast.net>; <urq at audifans.com>;
> <quattro at audifans.com>
> Cc: "Ben Swann" <benswann at comcast.net>
> Sent: Monday, April 04, 2005 5:58 PM
> Subject: Re: Alternator noise to power AMP
>
>
> > Usually a sign of a bad ground. Try cleaning up the ground a little
and/or
> a different ground location...
> >
> > Dave
> > 1987 CGT 2.3
> > SE VA
> >
> > >
> > > From: "Ben Swann" <benswann at comcast.net>
> > > Date: 2005/04/04 Mon PM 03:37:46 EDT
> > > To: <urq at audifans.com>,  <quattro at audifans.com>
> > > CC: Ben Swann <benswann at comcast.net>
> > > Subject: Alternator noise to power AMP
> > >
> > > After recently wiring in a power amp to the rear speakers for my '83
Ur
> > > Quattro, there is a whine being picked up by the RCA inputs to the
amp.
> It
> > > is not picked up by the stereo, front speakers, or if rears are wired
> > > directly to the stereo without an amp.
> > >
> > > How can I eliminate this or filter it?  I am using high quality RCA
> cables -
> > > don't know if they are sheilded.
> > >
> > > Also, what kind of capaciter would be good to eliminate powere
clipping?
> > >
> > > Ben
> > >
> > > _______________________________________________
> > > quattro mailing list
> > > quattro at audifans.com
> > > http://www.audifans.com/mailman/listinfo/quattro
> > >
> >
>
> _______________________________________________
> Audifans urq mailing list
> Send posts to: mailto:urq at audifans.com
> Manage your list connection: http://www.audifans.com/mailman/listinfo/urq
> Have an urq question?  Check the Audifans Knowledgebase!
> http://www.audi-quattro.org/cgi-bin/twiki/view/Audi/UrQuattro
> Have an urq answer? ... Please help others by adding to the KB ... all
contributions welcome!
>
>
> -- 
> No virus found in this incoming message.
> Checked by AVG Anti-Virus.
> Version: 7.0.308 / Virus Database: 266.9.1 - Release Date: 4/1/2005
>
>