Hey Guys - I got a 91 EXR wagon and replaced the stock stereo with Alpine all around. The HU is CDA-9886, 6.5" Type R in doors, 4" Type S in rear roof and the single 6X9 Type R in the cargo area. There's a strange crackling and/or static sound when greater than 50% power like its getting distorted already. Seems like this shouldn't be happening with decent HU and speakers? The crackling comes from all the speakers. Here's some weird things i thought it might be:
1. The single 6X9 in the cargo area - this had two sets of wires coming to the old speaker (i searched on this and originally it was a dual voice coil subwoofer) so i tied the 2 positives together, tied the 2 negatives together and then connected the speaker to the new single connection. I figured this will just increase the power going to the speaker but perhaps i am causing some weird feedback here?
2. The 4" speakers in the roof are in there so tight that I made small dents on the outside roof. Will the tight proximity to the steel roof cause any distortion?
Any help or similar experiences would be appreciated. Thanks!
1. The single 6X9 in the cargo area - this had two sets of wires coming to the old speaker (i searched on this and originally it was a dual voice coil subwoofer) so i tied the 2 positives together, tied the 2 negatives together and then connected the speaker to the new single connection. I figured this will just increase the power going to the speaker but perhaps i am causing some weird feedback here?
2. The 4" speakers in the roof are in there so tight that I made small dents on the outside roof. Will the tight proximity to the steel roof cause any distortion?
Any help or similar experiences would be appreciated. Thanks!
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