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HP/LP filter on the Amp or Head Unit

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Old 03-22-2009, 03:17 PM
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Hybrid45
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Default HP/LP filter on the Amp or Head Unit

Hi Guys,

I've installed components and a 10 inch sub powered by an alpine PDX4.150 and controlled by a touch screen pioneer HU. The head unit has it's own high pass and low pass filters along with sub controls etc. Am I better to use the head unit filters or the dial type ones on the amp itself?
Old 03-24-2009, 02:31 PM
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Peak350
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I'm using the controls on the headunit, I don't know that it matters, but I like being able to adjust it more easily, and my amps are harder to get to.
Old 03-24-2009, 02:35 PM
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Spork
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I use both
Old 03-24-2009, 03:06 PM
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Peak350
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Originally Posted by Spork
I use both
Doesn't that double the rolloff rate for your filters?
Old 03-24-2009, 04:59 PM
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iamdigital
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If you have a good headunit do it there. Better control than what amp will offer on it's *****/switches.
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