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<blockquote data-quote="Trixter" data-source="post: 2037838" data-attributes="member: 542668">personally i don&#039;t like hifonics amps. they are really inefficient and produce &quot;dirty&quot; sound. you may find out that you can spend the same as you would on a 2000w amp for a 1000w amp but the 1000w amp, being more efficient and clean, will match, or even out perform, the larger one.i had a 15&quot;pbx 4.5cu&#039; tuned to 38Hz. i ran a hifonics hercules (2500 x 1 @ 1ohm) and only achieved .2dB over my cadence a7, which does 1200w x 1 @ 1ohm.look for something that is digital, they are a lot more efficient. if an amp gets hot your loosing power and ultimately sound. also look for a low thd, digital amps usually are pretty low. just as an example my a7 has a thd of .005% and is 95% efficient. (most non-digital amps, hifonics, rockford, audiobahn...., are under 50% efficient and have a thd of .03% or higher.)just to make sure they are in phase i drew you up this...it sould get you 1ohm<a href="http://img99.imageshack.us/my.php?image=2dvcsubsme3.png" target="_blank"><img src="http://img99.imageshack.us/img99/7065/2dvcsubsme3.th.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></blockquote>

[QUOTE="Trixter, post: 2037838, member: 542668"] personally i don't like hifonics amps. they are really inefficient and produce "dirty" sound. you may find out that you can spend the same as you would on a 2000w amp for a 1000w amp but the 1000w amp, being more efficient and clean, will match, or even out perform, the larger one. i had a 15"pbx 4.5cu' tuned to 38Hz. i ran a hifonics hercules (2500 x 1 @ 1ohm) and only achieved .2dB over my cadence a7, which does 1200w x 1 @ 1ohm. look for something that is digital, they are a lot more efficient. if an amp gets hot your loosing power and ultimately sound. also look for a low thd, digital amps usually are pretty low. just as an example my a7 has a thd of .005% and is 95% efficient. (most non-digital amps, hifonics, rockford, audiobahn...., are under 50% efficient and have a thd of .03% or higher.) just to make sure they are in phase i drew you up this...it sould get you 1ohm [URL="http://img99.imageshack.us/my.php?image=2dvcsubsme3.png"][IMG]http://img99.imageshack.us/img99/7065/2dvcsubsme3.th.png[/IMG][/URL] [/QUOTE]

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