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problems with my alpine 7998
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<blockquote data-quote="pepsican" data-source="post: 2163273" data-attributes="member: 570082"><p>Ok, so i picked up a 7998 used just a bit ago. When I set the eq to flat or user set up, it makes horrible noises, at all volumes. If I set the eq to anything else, it sounds great. This will happen if I turn it to 1 or all the way up to 35. I have the gain set where my speakers nor my amp max at full volume. Gains on the amp are set a bit below 1/4. Im using a ppi 4 channel bridged, rated at 160x2 to a pair of cdt comps. The comps are set up on the HU's x-over at 80hz with a 24db/octave slope. Ive tested the speakers with a different amp, and it still remained. What could be the problem? Here is a short clip of the noise its making...</p><p></p><p><a href="http://www.youtube.com/watch?v=tB91k3N1JiI" target="_blank">http://www.youtube.com/watch?v=tB91k3N1JiI</a></p></blockquote><p></p>
[QUOTE="pepsican, post: 2163273, member: 570082"] Ok, so i picked up a 7998 used just a bit ago. When I set the eq to flat or user set up, it makes horrible noises, at all volumes. If I set the eq to anything else, it sounds great. This will happen if I turn it to 1 or all the way up to 35. I have the gain set where my speakers nor my amp max at full volume. Gains on the amp are set a bit below 1/4. Im using a ppi 4 channel bridged, rated at 160x2 to a pair of cdt comps. The comps are set up on the HU's x-over at 80hz with a 24db/octave slope. Ive tested the speakers with a different amp, and it still remained. What could be the problem? Here is a short clip of the noise its making... [URL="http://www.youtube.com/watch?v=tB91k3N1JiI"]http://www.youtube.com/watch?v=tB91k3N1JiI[/URL] [/QUOTE]
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problems with my alpine 7998
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