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<blockquote data-quote="Bow94z" data-source="post: 5629886" data-attributes="member: 604798">Im running a Alpine Cda-9811 headunit with 4volt pre-amprunning Eclipse SC6500 comp&#039;s (75rms) up front and SE6500 coax&#039;s (40rms) in the rear powered by a Eclipse EA4100 amp (75x4)My issue is that my speakers/amp are cutting out when the volume is greater than 16 on my headunit. MAx volume is 35 on headunit. if i turn the headunit off and back on they will continue to work until higher volume. Im assuming the input gain is too high, but im havin trouble finding the sweet spot to keep my amp/speakers from shutting off. from what i read i need to match the preamp voltage of my headunit to the amp. I have my input gain on my front and rear speakers set to the &quot;12 o&#039;clock&quot; position on the amp which im assuming is 4v considering it shows 8 on the low end and .2 which is the loudest which is in the picture below.. Can anyone help me figure this problem outand what exactly is clipping and how does this help me out tuning.<img src="http://images.sonicelectronix.com/images/113985/big/ea4100.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></blockquote>

[QUOTE="Bow94z, post: 5629886, member: 604798"] Im running a Alpine Cda-9811 headunit with 4volt pre-amp running Eclipse SC6500 comp's (75rms) up front and SE6500 coax's (40rms) in the rear powered by a Eclipse EA4100 amp (75x4) My issue is that my speakers/amp are cutting out when the volume is greater than 16 on my headunit. MAx volume is 35 on headunit. if i turn the headunit off and back on they will continue to work until higher volume. Im assuming the input gain is too high, but im havin trouble finding the sweet spot to keep my amp/speakers from shutting off. from what i read i need to match the preamp voltage of my headunit to the amp. I have my input gain on my front and rear speakers set to the "12 o'clock" position on the amp which im assuming is 4v considering it shows 8 on the low end and .2 which is the loudest which is in the picture below.. Can anyone help me figure this problem out and what exactly is clipping and how does this help me out tuning. [IMG]http://images.sonicelectronix.com/images/113985/big/ea4100.jpg[/IMG] [/QUOTE]

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