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Car Audio Equipment
Amplifiers
Kenwood vs PPI 5-channel?
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<blockquote data-quote="dsw1204" data-source="post: 8425752" data-attributes="member: 663807"><p>Those are two different classes of amps. The Kenwood is an AB/D amp (according to Crutchfield) meaning that the four front channels are run by a Class AB amp and the sub amp is a Class D. The PPI is a full range Class D amp. Now, some people will say you get better SQ from the AB amp (you can get a long debate on this) and I generally follow this line of thinking. Class AB amps do run a little hot and I would not recommend an installation behind the dashboard, even if it did fit. The PPI, being a Class D and is much more efficient, thus will not get nearly as hot and, as you noted, is much smaller.</p><p></p><p>Personally, I like Arc Audio amps. But, they are out of your price range, unless you are willing to get a used one. Then, you could get one in your price range. An Arc Audio XDi 1100.5 (150wx4, 500wx1 RMS @2ohms) just sold on Ebay for $212. It is one of the few Class D amps I would consider. Here is a link to an article about the Arc Audio XDi Class D amps that changed my mind about their Class D amps:</p><p></p><p><a href="http://pasmag.com/car-audio/test-reports/3580-arc-audio-xdi-6004-amplifier-review" target="_blank">PASMAG | PERFORMANCE AUTO AND SOUND - Arc Audio XDi 600.4 Amplifier Review</a></p><p></p><p>It rates their 4-channel amp but, also, talks much about Class D topology and is why I like their current Class D amps.</p><p></p><p>But, of the two you are considering, I would probably choose the Kenwood (mainly because of the Class AB rating) and install it in the trunk. But, if you have to have it in the dash, then the PPI would have to be the choice.</p></blockquote><p></p>
[QUOTE="dsw1204, post: 8425752, member: 663807"] Those are two different classes of amps. The Kenwood is an AB/D amp (according to Crutchfield) meaning that the four front channels are run by a Class AB amp and the sub amp is a Class D. The PPI is a full range Class D amp. Now, some people will say you get better SQ from the AB amp (you can get a long debate on this) and I generally follow this line of thinking. Class AB amps do run a little hot and I would not recommend an installation behind the dashboard, even if it did fit. The PPI, being a Class D and is much more efficient, thus will not get nearly as hot and, as you noted, is much smaller. Personally, I like Arc Audio amps. But, they are out of your price range, unless you are willing to get a used one. Then, you could get one in your price range. An Arc Audio XDi 1100.5 (150wx4, 500wx1 RMS @2ohms) just sold on Ebay for $212. It is one of the few Class D amps I would consider. Here is a link to an article about the Arc Audio XDi Class D amps that changed my mind about their Class D amps: [URL="http://pasmag.com/car-audio/test-reports/3580-arc-audio-xdi-6004-amplifier-review"]PASMAG | PERFORMANCE AUTO AND SOUND - Arc Audio XDi 600.4 Amplifier Review[/URL] It rates their 4-channel amp but, also, talks much about Class D topology and is why I like their current Class D amps. But, of the two you are considering, I would probably choose the Kenwood (mainly because of the Class AB rating) and install it in the trunk. But, if you have to have it in the dash, then the PPI would have to be the choice. [/QUOTE]
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