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» Termpro Audio Forum » Installer's Corner » Troubleshooting » Head unit makes a thump, help me please

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Author Topic: Head unit makes a thump, help me please
Raymondnoodle
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Hey guys. I have a Clarion DRX 8675z. I have had the unit for almost exactley a year. About 1 month a "thump" noise started to come through the pre-amp for the subs. It happens when the unit is turned on, when the volume goes from 0 - 1, and when i manually change a song. Someone on here previously tole me I probably had a bad groung or RCA. I have since upgraded my RCA's so I asuume it isn't them. Any help would be greatly appreciated. Thanks guys

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Alpine CDA-7893
Infinity all around
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MTX 81000D
DD 9512 2ft^3@30Hz

Posts: 393 | From: San Ramon, CA | Registered: Nov 2001  |  IP: Logged | Report this post to a Moderator
rbrewervw
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Get a cd walkman and an 1/8 in phono plug to rca adapter.

Plug the walkman directly to the amp with the adapter cord and see if the thump occurs.

It may be your amp that is making the noise and not your deck.
Just a suggestion.

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Premier 930
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Posts: 97 | From: Michigan | Registered: Oct 2001  |  IP: Logged | Report this post to a Moderator
wizeguy4
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Oh the joys of the turn on pop!

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SO YOU LIKE FORUMS WELL CHECK THIS OUT!!!!!!!!!!
WWW.CARAUDIORESOURCES.COM

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Posts: 512 | From: i can't remember... | Registered: Mar 2001  |  IP: Logged | Report this post to a Moderator
D. Litsey
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its Clarions Zero-Bit detection technology, everytime you put you volume on zero it turns the outputs off and makes the pop noise. Common with alot of clarions, this years models are better about it.

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Posts: 201 | From: wapakoneta, OH | Registered: Feb 2001  |  IP: Logged | Report this post to a Moderator
Blurred vision
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hey my sytem does that but i found the problem to be the epic 150 still dont know how to fix it i was thinking bout using it for bd drag j/k

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one 97 ranger xtended cab
2 solo L7 12sd2
2 lanzar vibe 1200ds
2 yellowtops plus stock battery
alpine 9769 headunit
one big old 6.5 cf plus port box
capable of 147.5(with one voice coil blown

upgrades-phd2 replaces 2 lanzar vibe 1200ds
epic 150
pg bass cube 5 gallons of cascade audio v block
hoping for 150s in 2002

Posts: 29 | From: wixom,mi | Registered: Dec 2001  |  IP: Logged | Report this post to a Moderator
BassFromTheKrypt
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Could it be a relay switch (box)that is needed?

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2 POWER HX2 12's and 2 powerbd1500.1's [Wink]
Proud Member of TEAM B.L.O ME (Team Bass Lovers Of Maine)
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Posts: 523 | From: clinton, maine, usa | Registered: Jul 2001  |  IP: Logged | Report this post to a Moderator
spydermann
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if it's still under warranty send it back to Clarion and let them worry about it

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spydermann

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Gimmie some bass baby
keep your XXX and others, MTX for me
Is that me in the top 10 now??
Do you smell what the BASS is cooking...

Posts: 6799 | From: cincinnati, oh, USA | Registered: Jun 1999  |  IP: Logged | Report this post to a Moderator
Blurred vision
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hey i second that about the epic 150 seems like it just likes to do it can i use that to burb with? lol

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one 97 ranger xtended cab
2 solo L7 12sd2
2 lanzar vibe 1200ds
2 yellowtops plus stock battery
alpine 9769 headunit
one big old 6.5 cf plus port box
capable of 147.5(with one voice coil blown

upgrades-phd2 replaces 2 lanzar vibe 1200ds
epic 150
pg bass cube 5 gallons of cascade audio v block
hoping for 150s in 2002

Posts: 29 | From: wixom,mi | Registered: Dec 2001  |  IP: Logged | Report this post to a Moderator
mdiller
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My clarion does the same sh*t, pisses me off. I also have a ton of feedback in my preouts.
Posts: 247 | From: Iowa | Registered: Nov 2001  |  IP: Logged | Report this post to a Moderator
   

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