are noise filters useless??

[95Prober 10+ year member]

hi

as an owner of a pioneer deck, i have came across the popular whining that come from most of them

now im in the process of grounding my rcas's on the back of the deck and i already grounded the deck DIRECTLY to the chassis of the car rather than the car wiring harness, and i was wonder, would a couple of ground loop isolators on the RCAs help at all? they arent the ones with wires, just rca inputs on one end and rca outputs on the other with the filter in the middle. real simple to install

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[xxxpower 10+ year member]

i had bad noise i used a stinger ground loop it took the noise away but it made my mids sound lke shit

 

[helotaxi 5,000+ posts]

The ground loop isolator is a coupling transformer. It will color the sound. The degree to which it does so varies with the exact unit, but I would exhaust all other options before thingking about using one.

 

[phyphoestilic 5,000+ posts]

Ya groud the RCA's first, see what happens. I heard some people will get cetain frequencies toned down from ground loop isolators and some people have no problem at all after using them. Kinda a last resort sorta thing.