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<blockquote data-quote="zako" data-source="post: 7760446" data-attributes="member: 629735">I would make the opposite claim. PPI amplifiers are great for the price. They provide rated power and clean signal and this has been confirmed in tests. The only thing I don&#039;t like about PPI Phantom series is the low channel separation in the mid-30dbs, but their other lines don&#039;t suffer from this.&nbsp; Are PPI amplifiers Hertz or JL Audio good? Most likely not. However, for the money, PPI stuff is great. I will buy PPI product over MB Quart or Hifonics every day of week. On the other hand, Massive Audios NX series of amplifiers are quite overrated and I have seen negative reviews on DIYMA. For example here is a link to a test in Russian language that shows the NX4 provides 4x65watts RMS power at 14.4 voltage instead of the 4x100watts claimed.<a href="http://www.avtozvuk.com/az/2011/07/076.htm" target="_blank">×åòûð¸õêàíàëüíûé óñèëèòåëü Massive Audio NX4 - avtozvuk.com</a> (use google translator if you&#039;re curious). Also the nx series are very compact with full range section being class A/B. These should be installed very carefully due to very highly likely heat issues. I don&#039;t mind sending 60watts to my speakers in many cases. However, I don&#039;t like buying products from a company that&#039;s not very honest about product specs.</blockquote>

[QUOTE="zako, post: 7760446, member: 629735"] I would make the opposite claim. PPI amplifiers are great for the price. They provide rated power and clean signal and this has been confirmed in tests. The only thing I don't like about PPI Phantom series is the low channel separation in the mid-30dbs, but their other lines don't suffer from this. Are PPI amplifiers Hertz or JL Audio good? Most likely not. However, for the money, PPI stuff is great. I will buy PPI product over MB Quart or Hifonics every day of week. On the other hand, Massive Audios NX series of amplifiers are quite overrated and I have seen negative reviews on DIYMA. For example here is a link to a test in Russian language that shows the NX4 provides 4x65watts RMS power at 14.4 voltage instead of the 4x100watts claimed. [URL="http://www.avtozvuk.com/az/2011/07/076.htm"]×åòûð¸õêàíàëüíûé óñèëèòåëü Massive Audio NX4 - avtozvuk.com[/URL] (use google translator if you're curious). Also the nx series are very compact with full range section being class A/B. These should be installed very carefully due to very highly likely heat issues. I don't mind sending 60watts to my speakers in many cases. However, I don't like buying products from a company that's not very honest about product specs. [/QUOTE]

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