Stock audio system, no bass. What gives? - Chevy Impala SS Forum
 
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post #1 of 3 (permalink) Old 04-12-2012, 02:51 PM Thread Starter
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Stock audio system, no bass. What gives?

Hi all,

I have a 1995 Caprice Classic with the AM/FM/Cassette head unit with the 10 disc changed in the trunk. I recently upgraded all four interior speakers with aftermarket ones (Alpine) and I notice that when I adjust the controls to any single speaker, there is plenty of bass. If I select either of the rear 6x9's, there's quite a bit of it, actually. But when I adjust either the balance or Fade control to power either both rears, both fronts, or the right/left channel, nearly all the bass is gone. Why might this be?

1994 Lincoln Town Car, Signature Series, 4.6L V8, fully loaded, 150K -
1993 GMC Sierra K1500, SLE, 5.0 V8, Auto, 129K -
1993 GMC Sierra C2500, SL, 4.3L V6, 5 Spd, 255K - Sold.
1977 Lincoln Continental Town Car, 7.5L V8, Auto, 77K -Sold.
1995 Chevrolet Caprice Classic, 4.3L V8, 156K -Sold.


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post #2 of 3 (permalink) Old 04-12-2012, 05:55 PM
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It sounds like the speakers are out of phase. Fade to the rear, then if you have bass on either speaker but not both it's out of phase. reverse one of the speakers + and - wires. see if this helps.
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post #3 of 3 (permalink) Old 04-21-2012, 11:57 PM Thread Starter
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Bingo!

They are working like a champ now. Thank you!

1994 Lincoln Town Car, Signature Series, 4.6L V8, fully loaded, 150K -
1993 GMC Sierra K1500, SLE, 5.0 V8, Auto, 129K -
1993 GMC Sierra C2500, SL, 4.3L V6, 5 Spd, 255K - Sold.
1977 Lincoln Continental Town Car, 7.5L V8, Auto, 77K -Sold.
1995 Chevrolet Caprice Classic, 4.3L V8, 156K -Sold.


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