We have a custom stereo in the boat and the front speakers, which are wired off the same amp as the rear speakers make a hissing or flat, static-type noise when the head unit is turned up all the way but the ipod is between songs. They are the same speakers as in the back, but slightly smaller. Static also comes through these speakers when I raise/lower the Taps. I don't get how the problem is only on the front speakers. Any ideas?
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ANY stereo will make the sort of noise you describe with the head unit turned all the way up. As a general rule, the head unit is not designed to operate without clipping beyond about 75% volume on the volume control. Not to sound condescending but why in the world would you turn the stereo all the way up between songs? You are just asking for something to break as soon as the next song comes on!
The most common reason for hearing the noises you describe is having the gain(s) set too high on your amp(s). The hissing is just the low-level noise that exists in all electronics. The popping / static from the TAPS is electromagnetic noise that is both injected into the power wiring, and radiated through the air.
I bet someone has turned the gains too high on the amp... What amp do you have, (brand/model/power) what speakers do you have, (brand/model/power) and what is your head unit?It's not an optical illusion.
It just looks like one..... -
Components:
4-6" (i think) in the cabin MB Quart Reference
2-5" (know they are smaller) MB Quart Reference
1-10" MTX Thunder Subwoofer
1-Rockford Fosgate Punch 200 or 300.1
1-Rockford Fosgate Punch, don't know wattage, prolly 750.4 or something
Soon to be added:
1 pair Kicker KMT6s
1-Kicker zx350.2
If I shouldn't have the HU up all the way, do you think the gains might be too low and not getting loud enough until I turn the radio all the way up?
And I'm having a guy I know from a stereo shop come out and help me install, maybe I'll see if he can bring a testing CD and a meter to tune the stereo.Comment
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Originally posted by wakeborder5 View Post
Several possibilities...
How is the iPod connected in? Many head units have a menu where you can set the input sensitivity for the aux in. It might be at too low a setting.
Your media files may be recorded way too low. Consider normalizing them.
Heck no the gains are not too low. They are probably too high. You also have the head unit up too high; obviously if you are turning it all the way up.
Based on these two obeservations from our short conversation, the volume out of the iPod sounds too low to me somehow. Again, how does the iPod connect to the head unit?
This is not a FM transmitter setup is it??????
Finally you have a stereo, not a PA system. There is the very real chance that it just cannot operate at the level you desire. There might be a need for some serious upgrade(s) to get you what you are trying to acheive...It's not an optical illusion.
It just looks like one.....Comment
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Oh, BTW...
For the KMT6 speakers, the ZX450.2 amplifier is the better choice...It's not an optical illusion.
It just looks like one.....Comment
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Could it be that the front speaker wiresor the RCA for those channels run very close to power wires and they're picking up interference there, where maybe the wires for the back are routed differently?Other than that, Mrs. Lincoln, how was the play?Comment
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Probably not for a sound described as hissing, and audible between tracks.Originally posted by Jason B View Post
The chance is still there, sure, but I really doubt it.It's not an optical illusion.
It just looks like one.....Comment
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