speaker distortion

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dbters

Member - Posts: 3

Joined: August 22, 2006

Posted: February 06, 2007 at 5:39 AM / IP Logged

Hey everyone,

im currently driving a 1991 Subaru Liberty sedan and recntly purchased a full type-s alpine system but i am having a few problems with the speakers. The system is run by a Alpine CDA-9851 headeck with the front and rear speakers being run off the head units on board amplifier. The front speakers are ALpine SWS-171A components and the rears are SPS-17c2 Coaxials.

Problem: when i have the fader set on zero for equal sound in front and equal in rear and the volume is turned up past 11-12 the speakers begin to distort with a noticeable crackling sound. Its sound like the speakers in the front (componenets) are producing the most noticeable distortion sound. However, when the fader is set to around 10 in the rear and the volume turned to 16-17 there is no distortion or crackling at all and the music sounds clear. I have checked all the wiring and speakers for wear- one rear has a tiny hole in the rubber but the fronts are perfectly fine.

What could be causing this distortion/crackling sound and what can be done to fix it?

Any help would be muchly appreciated.

Thanks

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haemphyst

Platinum - Posts: 5,054

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Joined: January 19, 2003

Location: Michigan, Bouvet Island

Posted: February 06, 2007 at 8:02 AM / IP Logged

Your internal amp is running out of power. There is nothing to be done to fix it, except run an external amplifier for the speakers.

It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."

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DYohn

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Joined: April 22, 2003

Location: Arizona, United States

Posted: February 06, 2007 at 9:46 AM / IP Logged

You did properly use the supplied crossovers with the components I assume?

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jmelton86

Gold - Posts: 1,228

Joined: February 07, 2007

Location: South Carolina, United States

Posted: February 07, 2007 at 8:26 PM / IP Logged

Could the components up front be drawing 2Ohms from the HU and that is why it's fine when he fades it almost all to the rear?

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speaker distortion

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