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Problems with new HU

Jay Oct 25, 2008

  1. Jay

    Jay Member

    Just replaced my HU with an Alpine 9884R. This is supposed to have 4v pre outs, same as my old unit, however the sub seems very quiet compared to when I had the old unit in.

    also the sub seems to be louder at lower volume than it does when its fully turned up. I'm due a battery replacement soon so wondering if this due to the amp not receiving enough power.

    I was under the impression that due to the preouts being the same voltage I could leave the gains on my amp at the same level as they were previously or am I wrong?

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