Re: [DML] Re: Speaker "Grounds"

[Ryan Wright <ryanpwright@xxxxxxxxx>]

Ah, I see now. I didn't realize the stock speakers were setup this
way. I yanked that garbage out first thing when I bought my DeLorean
and ran all new wiring. :)

-Ryan

On 5/4/05, David Teitelbaum <jtrealty@xxxxxxxxxxx> wrote:
> In this context a "Floating Ground" is a ground that is not tied to
> the frame or the battery directly. In fact it cannot really be
> considered a ground, it is more correctly termed a "return". Another
> point to be made is that you should have a separate "return" for each
> speaker. Most newer amps do not like it if you tie them togther and it
> can degrade the sound. You must also be careful to properly "phase"
> the speakers. This means the plus to the plus or red terminal and the
> black or minus to the other terminal on each speaker. On many newer
> amps if you do attempt to ground a return you will blow the amp in
> short order. The origional wiring to the speakers is skimpy at best
> but the origional radio only outs out 8 watts per channel so is was
> fine for it but if you want more power you must up the wire size. In
> the origional harness the front speaker returns were tied togther so
> you must separate them if you intend to use the origional wires. If
> you are going to go through all the work to change the radio and the
> speakers, changing the wires to them is a no-brainer. This is in fact
> an AC circuit. Fluctuating DC is AC, just with a different crossover
> point.
> David Teitelbaum
> vin 10757
> 
> 
> --- In dmcnews@xxxxxxxxxxxxxxx, "content22207" <brobertson@xxxx> wrote:
> > Marc is talking about the speaker commons, not 12v ground for the unit
> > itself.
> >
> > Speakers are AC devices, not DC. In the bad old days, there was only
> > one amplifier inside a stereo, so it didn't matter if speakers shared
> > a common neutral return (amp was just receiving its same sine wave
> > back). But modern units usually have separate amplifiers for each
> > channel, or at least front & rear. If you tie the returns together,
> > amps are going to get screwy polarities back. One is going to be




To address comments privately to the moderating team, please address:
moderators@xxxxxxxxxxx

For more info on the list, tech articles, cars for sale see www.dmcnews.com

To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews 
Yahoo! Groups Links

<*> To visit your group on the web, go to:
    http://groups.yahoo.com/group/dmcnews/

<*> To unsubscribe from this group, send an email to:
    dmcnews-unsubscribe@xxxxxxxxxxxxxxx

<*> Your use of Yahoo! Groups is subject to:
    http://docs.yahoo.com/info/terms/