Looking for decent Ground Loop Isolator

[LordJ]

I have a RS GLI but it has some serious audio loss with it, almost half the signal it seems...Anyone use anything else with better results? I used it to hook my 780 to the comp, works fine for that, but I want to try it with a different setup I have now. If I can't get one I suppose I'll shell out for an amplified speaker instead...

 

[K5MAR]

Should be available at any good auto stereo dealer.

Mark S.

 

[N_Jay]

I have a RS GLI but it has some serious audio loss with it, almost half the signal it seems...Anyone use anything else with better results? I used it to hook my 780 to the comp, works fine for that, but I want to try it with a different setup I have now. If I can't get one I suppose I'll shell out for an amplified speaker instead...

What is the exact problem?

You are trying to break the ground on the audio line?

 

[LordJ]

Whoops

Ya, seem to have a gl problem. It is there without a gli and goes away when I put the one I have inline. But, as I stated in the first post, the gli I have cuts the audio by what seems like 50%. So I am looking for some better solution.

 

[N_Jay]

Re: Whoops

Ya, seem to have a gl problem. It is there without a gli and goes away when I put the one I have inline. But, as I stated in the first post, the gli I have cuts the audio by what seems like 50%. So I am looking for some better solution.

Is it hum?

If it is Hum and it is real bad you probably have a bad power supply. Get that fixed before you destroy something or worse.

Is it desense?

You sure it is GL, and not DC bias?

You should be able to use a 1:1 audio transformer, but a matching transformer is even better if you know (or give) the impeadances of what you are hooking together.

If it is a DC problem, you can block it with a capacitor.

If it is not to bad and you have signal to spare, a "H" pad will give you some isolation on both hot and ground sides.

(edit)
I have been assuming it is an audio problem, but since you have not siad, it could be data or RF connections also. They have different cures.

 

[Thayne]

I don't know what your trying to do either, but I had a bad ground loop problem between a PC sound card and Stereo system used for playng MP3's.
I tried a lot of things but finally solved it with an RCA RD900 that transmits it on 900megs to the stereo. Some places on the net had them for $39.95, if that would help you. Radio shack sold them for $99.00 but I guess nobody wanted them. If it is hum it's probably a ground loop, but if it's noise, be sure your audio lines are kept away from fluorescent lights of solid state dimmers, etc.