Bass Distortion Help

[zeeg 10+ year member]

I installed components and a deck a couple months back:

- Alpine IDA-X001

- Alpine PDX-1.1000

- Alpine Type-X SPX-17 Pros

Anyways, things sounded good, until recently. I'm getting strange bass distortion on both of the components so I'm guessing its happening somewhere between the deck and the amp. We tried a different RCA, as well as swapping the speaker channels (its a 4 channel amp only pushing 2).

The amp is also running High Pass to the speakers, and no adjustments have been made to crossover or gain in the last two months.

Anyone have any ideas on what else I can do to troubleshoot. I'm hoping none of the hardware is bad as it was all purchased new.

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[helotaxi 5,000+ posts]

DO you have any kind of high pass filter on the components? An amp?

 

[zeeg 10+ year member]

High pass is running on the amp.

 

[zeeg 10+ year member]

Found the problem. A friend had turned the EQ on my iPod on. Turned it off, problem solved //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif