Re: [DML] Amplifier mounted on firewall (was Abandon the spare?)

[Marc Levy <malevy_nj@xxxxxxxxx>]

You need to make sure the entire system is grounded at
the battery.  All components, including the head unit
itself.

Also try to disconnect the antenna from the head unit,
you may have a ground loop.


--- Marty Galbreath <marty@xxxxxxxxxxxxxxxxx> wrote:

> I have a Soundstream 244 amplifier, using #8 guage
> wire for the hot 
> and #4 for the ground, both from Lighting audio. The
> hot is tied 
> directly to the battery while I tried moving the
> ground from the 
> battery to other points nearby but no change in the
> result. The 
> input wires are of the unshielded twisted pair type,
> also from 
> Lighting Audio which are supposed to be the latest
> and greatest in 
> noise elimination, I thought.
> 
> The noise was twofold: there was a lot of ignition
> noise which 
> produced a "popping" sound in time with the engine,
> and also 
> alternator whine. When I moved the amp to the floor,
> the poping was 
> gone but I still had the whine. Installing a filter
> on the power 
> from David Navone Engineering solved that part of
> the problem.
> 
> One I get the car back together from my AC
> extravaganza, I might try 
> some other things. I bought a set of Magnecor CN25
> ignition cables 
> which are supposed to help with this problem, but
> haven't installed 
> them yet. I presently have 8.5mm MSD wires on the
> car with a NOS 
> coil.
> 
> What brand of amplifier are you using so
> successfully?
> 
> Marty Galbreath
> 3765
>


		
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