New class-D amps

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=87720
Printed Date: April 27, 2024 at 1:56 AM

Topic: New class-D amps

Posted By: boulderguy
Subject: New class-D amps
Date Posted: December 24, 2006 at 10:06 AM

I've noticed some of the heavy-hitters are producing full-range class D amps. Anyone used these? How do they stack up?

Alpine
Xtant
Eclipse

Replies:

Posted By: j_darling2007
Date Posted: December 24, 2006 at 11:28 AM

Alpine and Eclipse are great amps. I'm not 100% sure about Xtant, I have not really heard that much about them, good or bad.

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There are 3 kinds of people in the world, those who can count and those who can't

Posted By: forbidden
Date Posted: December 24, 2006 at 1:57 PM

They are great amps, year 3 for Eclipse with amps using full range class D, same with XTANT in their small 1.1 amp. Alpine PDX and Pioneer Premiere also are now using the patented ICEpower circuity and by all means they have proven to be great amplifiers.

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Top Secret, I can tell you but then my wife will kill me.

Posted By: boulderguy
Date Posted: December 25, 2006 at 5:24 PM

So I'm now thinking about switching to the Eclipse XA4000 for front & rear mains. Ideally I'm looking for around 125x2 front & 50x2 rear, but since that amp isn't staggered I'll be playing with the fader.

Problem is I'm having a hard time finding reliable specs on the output of that amp. Eclipse lists it as 125x4 but that's at 1% THD & unknown voltage. Does anyone have reliable numbers on this amp?

Eclipse

Posted By: killer sonata
Date Posted: December 25, 2006 at 10:05 PM

its at 14.4V. it says it on the left side of the little chart thats provided. Eclispe is very reliable. Their quality has always been held with high esteem.

Posted By: boulderguy
Date Posted: December 25, 2006 at 11:41 PM

OK, I see the voltage but check out the discrepancy between output at 1% THD vs THD at rated power. What's the "rated" power? I'm guessing at 1% THD it's heavily into clip.

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