NEED HELP! Speakers are hissing
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Road Captain
Joined: Oct 2010
Posts: 576
Likes: 18
From: NJ
It is an ARC mini amp. I played with the gain and made no difference. The hissing is almost negligible and you must stand close to the speakers to hear it. The improvement in sound is great 
so I guess I can live with something I will not hear when the music is playing. I still think that it may come from the grounding not properly connected. Perhaps I need to use a wire brush.
so I guess I can live with something I will not hear when the music is playing. I still think that it may come from the grounding not properly connected. Perhaps I need to use a wire brush.
Road Master
Joined: Mar 2010
Posts: 1,013
Likes: 0
From: Nashville TN
It is an ARC mini amp. I played with the gain and made no difference. The hissing is almost negligible and you must stand close to the speakers to hear it. The improvement in sound is great so I guess I can live with something I will not hear when the music is playing. I still think that it may come from the grounding not properly connected. Perhaps I need to use a wire brush.
so I guess I can live with something I will not hear when the music is playing. I still think that it may come from the grounding not properly connected. Perhaps I need to use a wire brush.
Road Warrior
Joined: May 2009
Posts: 1,537
Likes: 4
From: The Great River Road, Wisconsin
It sounds like the HK head units do not have a remote trigger (which is quite odd in this day and age). You will eventually drain youre battery if indeed the the amp has power at all times.
Tourer
Joined: Oct 2006
Posts: 466
Likes: 2
From: Bothell, WA
Normally most radios take into consideration that you may want add an amp. There "can" be an amp "turn on" wire. Mine did, maybe your's doesn't. I think that is where the hissing noise is coming from, power is still applied to the amp without any radio input. To prove it just remove power to the amp and hiss should go away. I originally wired my amp so even with the radio off as soon as I turned on the bike the amp powered. I heard a pop as soon as I turned on the ignition. Do you have a manual for the bike and is it a stock radio? I don't know how the amp is supposed to be wired so I can only go by my experience.
Mark
Mark
Last edited by Mark98012; Mar 12, 2012 at 08:12 PM.
Road Master
Joined: Mar 2010
Posts: 1,013
Likes: 0
From: Nashville TN
Normally most radios take into consideration that you may want add an amp. There "can" be an amp "turn on" wire. Mine did, maybe your's doesn't. I think that is where the hissing noise is coming from, power is still applied to the amp without any radio input. To prove it just remove power to the amp and hiss should go away. I originally wired my amp so even with the radio off as soon as I turned on the bike the amp powered. I heard a pop as soon as I turned on the ignition. Do you have a manual for the bike and is it a stock radio? I don't know how the amp is supposed to be wired so I can only go by my experience.
Mark
Mark
Road Master
Joined: May 2007
Posts: 959
Likes: 1
From: Westerville, OH
The radio on does not have anything to do with the radio hissing. Wiring the on/off to the lighter is the only way you can turn the amp on/off unless you wire in a toggle switch.
The hissing is more then likely coming from the ground. If you want to be totally sure that you have a good ground then take some sand paper and remove some of the paint on the triple tree. Or do as I did and remove the center screw on the engine guard and slide the ground wire in between the engine guard and the frame and put the screw back in.
Mike
The hissing is more then likely coming from the ground. If you want to be totally sure that you have a good ground then take some sand paper and remove some of the paint on the triple tree. Or do as I did and remove the center screw on the engine guard and slide the ground wire in between the engine guard and the frame and put the screw back in.
Mike
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Road Captain
Joined: Oct 2010
Posts: 576
Likes: 18
From: NJ
Thank you guys. I agree with SG Mike, it must be coming off a bad ground. I may need a longer wire to ground it to the engine guard screw. I will let you all know if I find the solution to this problem.
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