system hiss
#1
Hello i just have a quick question i have a employee that ask me this question when he hooks up his amp ( zapco ag360) power ground speaker wires etc he seems to be getting a a hiss (dead air) sound coming from his speakers without rca hooked up.. any ideas? i tried changign amps with him ( had an extra 350 laying around) same thing ... any ideas or suggestions??? thanks
also he is running no eqs just headunit and amp.. also gains are turn to min...thanks
[ November 28, 2004, 07:49 PM: Message edited by: CarAudioGirl ]
also he is running no eqs just headunit and amp.. also gains are turn to min...thanks
[ November 28, 2004, 07:49 PM: Message edited by: CarAudioGirl ]
#2
I noticed this too with several amps (3 to be exact, all of the mid to high end variety), even when I bench tested them with mute plugs. I think it is the noise floor.
Try muting the inputs with mute plugs to see if the noise goes away.
Try muting the inputs with mute plugs to see if the noise goes away.
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