[urq] Re: Alternator noise to power AMP

[Robert Myers]

I dunno, Ben, but I suspect that if you run that thing for long you likely 
won't be hearing much of anything in a few years.  :-(

At 11:29 PM 4/4/2005, Ben Swann wrote:

>*This message was transferred with a trial version of CommuniGate(tm) Pro*
>Well you may have something there, as I ran all wiresl through the same
>"conduit" - all wrapped up nice and pretty.  They only run together for a
>few feet just berfore the amp, but may be enough.  Also the AMP is mounted
>right above the gas tank, and the AMP chassis is probably directly in
>contact with it - the amp fits perfectly there.  Maybe I need to change the
>location - this is a big AMP and I was trying to locate it so it wouldn't
>take up any "usable" trunk space.
>
>I probably ought to get a small amp - don't need this much power.  I could
>probably do alright by just taking the outs directly off the stereo through
>some monster cable.  The stereo is 160 Watts( 40X4), so probably enough.
>Then I could power a subwoofer with the Amp - I wouldn't hear any alt whine
>then, correct?
>
>The system does sound nice until I turn the engine on.
>
>Ben
>----- Original Message -----
>From: "Ingo Rautenberg" <irautenberg at comcast.net>
>To: "Ben Swann" <benswann at comcast.net>; "David" <duandcc_forums at cox.net>;
><urq at audifans.com>; <quattro at audifans.com>
>Sent: Monday, April 04, 2005 10:44 PM
>Subject: Re: [urq] Re: Alternator noise to power AMP
>
>
> > 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
> > > > >
> > > > > _______________________________________________
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> > > >
> > >
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Bob
Http://Chips-Ur-S.com