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Defective Speakers Or..?
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<blockquote data-quote="Knowmadic" data-source="post: 8044056" data-attributes="member: 650280"><p>HU: JVC KD-X40</p><p></p><p>EQ: AutoTek 7007</p><p></p><p>Components: Alpine SPR60C</p><p></p><p>Amp: Alpine PDX-F4</p><p></p><p>Wiring: Knu 4ga to Amp, Knu Krystal Kable RCA</p><p></p><p>Deadener: MurderMat</p><p></p><p>Issue: Speakers have NO bass coming from them, do not have excursion unless at near max unclipped on the HU. This <a href="http://www.youtube.com/watch?v=zTeWPVQoy8Y" target="_blank">Alpine spr-60c running of a house amp - YouTube</a> should be what they look like but they come nowhere near that even at high volumes.</p><p></p><p>Just tried using the fader, sub off and I had to go pretty high up, near max unclipped on my HU to finally get them moving, but even then it wasn't that much, nothing close to that video, and they only got louder, no bass was produced like it should at those levels. The rear speakers and sub seem to work fine at lower levels its just these components are having something going on.. I turned the HPF completely off on the amp and the headunit only has HPF when I choose the L/O mode to sub, and thats currently off so nothing restricting these speakers. I installed the speakers myself and never put any bass blockers in anywhere so I'm honestly a little dumbfounded. I checked the power at the battery and amp both read 14.46v and the fact that the rears work but fronts don't lead me to believe it isn't an amp issue, also my grounds are fine, I used a dremmel to get down to the bare metal and cleared a 1x1 surface for the ground. Any input would be great, thanks guys.</p></blockquote><p></p>
[QUOTE="Knowmadic, post: 8044056, member: 650280"] HU: JVC KD-X40 EQ: AutoTek 7007 Components: Alpine SPR60C Amp: Alpine PDX-F4 Wiring: Knu 4ga to Amp, Knu Krystal Kable RCA Deadener: MurderMat Issue: Speakers have NO bass coming from them, do not have excursion unless at near max unclipped on the HU. This [URL="http://www.youtube.com/watch?v=zTeWPVQoy8Y"]Alpine spr-60c running of a house amp - YouTube[/URL] should be what they look like but they come nowhere near that even at high volumes. Just tried using the fader, sub off and I had to go pretty high up, near max unclipped on my HU to finally get them moving, but even then it wasn't that much, nothing close to that video, and they only got louder, no bass was produced like it should at those levels. The rear speakers and sub seem to work fine at lower levels its just these components are having something going on.. I turned the HPF completely off on the amp and the headunit only has HPF when I choose the L/O mode to sub, and thats currently off so nothing restricting these speakers. I installed the speakers myself and never put any bass blockers in anywhere so I'm honestly a little dumbfounded. I checked the power at the battery and amp both read 14.46v and the fact that the rears work but fronts don't lead me to believe it isn't an amp issue, also my grounds are fine, I used a dremmel to get down to the bare metal and cleared a 1x1 surface for the ground. Any input would be great, thanks guys. [/QUOTE]
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