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» Termpro Audio Forum » Installer's Corner » Troubleshooting » Whats that scratching sound???

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Author Topic: Whats that scratching sound???
Iggster
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Ehhh ok, heres my question. I have a 2000 cavalier, and just recentley(after i installed my new amp) When I turn on the radio at higher volumes, there is seems to be a scratchy sound coming from my interior speakers, when the bass hits. It does not do this when I am playing a cd though. Can anyone help me here?

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-Steve Ignacek-
Team EZ SPL

Running the Peoples Subwoofer: Image Dynamics

If you aint down with the iggster and his sounds I got 2 words for ya: Image Dynamics!!!


Posts: 28787 | From: Tinley Park, Illinoize | Registered: Jul 1999  |  IP: Logged | Report this post to a Moderator
Dante
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hey igg, mine does that too. my problem is the fact that the power wire i am using is too small for my amp, and so i guess the amp is pulling too much power away from the deck and causing the speakers to crackle. also, i got bigger fuses and that worked too.

so check into the following:
- run at least 4 ga. power cable
- if your fuse on your + battery lead is too small, upgrade that
- have the shortest power cable possible for less resistance (but leave SOME slack)

if you're problem isn't electrical related, i have no idea what it is... hope that helped

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"Hope is when we feel the pain that makes us try again." -CS


Posts: 1408 | From: Stacyville, IA, USA | Registered: Jan 2000  |  IP: Logged | Report this post to a Moderator
Iggster
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Ughh.... Dante, that is the only amp I am running in the car. I do have 4 gauge..... 8 gauge from the cap to the amp. It is only with the radio, which puzzles me.

------------------
-Steve Ignacek-
Team EZ SPL

Running the Peoples Subwoofer: Image Dynamics

If you aint down with the iggster and his sounds I got 2 words for ya: Image Dynamics!!!


Posts: 28787 | From: Tinley Park, Illinoize | Registered: Jul 1999  |  IP: Logged | Report this post to a Moderator
Dante
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hey mine is only with the radio too.. well maybe the fact that i have the amp grounded to the antenna is a problem?

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"Hope is when we feel the pain that makes us try again." -CS


Posts: 1408 | From: Stacyville, IA, USA | Registered: Jan 2000  |  IP: Logged | Report this post to a Moderator
Eli47
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Try beefing up the ground return wire, from the chassis to the battery ground, under the hood, using the same guage wire you are using for positive to the amplifier(s).

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E.C. Wuz here

Posts: 1057 | From: Vancouver, British Columbia, Canada 'eh | Registered: May 1999  |  IP: Logged | Report this post to a Moderator
koolade9
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is your power wire ran by the antenna? nothing like a little magnetic interference. like when your driving under those huge power lines (like around monee on 57) and your radio cuts out. Only this is on a smaller scale. Checking the stock engine ground is a good thing all around. Hope I've contributed in some way sorry bout the LSB1, but the high bidder's givin me 185 for it, can't pass that up.

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Posts: 848 | From: IL | Registered: Jan 2000  |  IP: Logged | Report this post to a Moderator
   

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