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<blockquote data-quote="n2audio" data-source="post: 5849724" data-attributes="member: 540940"> Do you have the XIA3145?That&#039;s a decent amp from what I can tell, but it just doesn&#039;t have the power to wake up a pair 600w subs.&nbsp; It&#039;s 290w bridged, that&#039;s as much as it will do -- not 580. Are your subs the BP1204?&nbsp; You need something around 600w rms at 4 ohms (probably a bridged 2 ch). I don&#039;t know anything personally about the UL1202, but I can see it has 2x25A fuses.&nbsp; Your Dual has 2x20&#039;s, so it wouldn&#039;t be realistic to expect more than 400-500w out of it.&nbsp; Would it be an improvement?&nbsp; Theoretically yes, but it wouldn&#039;t amount to much to your ears.&nbsp; Plus, according to Sunfire it won&#039;t last anyway. There&#039;s a current thread (turning into a fight) about the Crunch p1100.2 being on sale for $80 - looks like The Profile AP1200 is a pretty solid amp - millionbuy lists it for $110. If you&#039;d consider a used amp you might pick this one up super cheap --<a href="http://cgi.ebay.com/ebaymotors/1200-watt-Profile-amplifier-2-channel_W0QQcmdZViewItemQQ_trkparmsZ72Q3a1205Q7c66Q3a2Q7c65Q3a12Q7c39Q3a1Q7c240Q3a1318Q7c301Q3a0Q7c293Q3a1Q7c294Q3a50QQ_trksidZp3286Q2ec0Q2em14QQhashZitem230337699156QQitemZ230337699156QQptZCarQ5fAmplifiers" target="_blank">http://cgi.ebay.com/ebaymotors/1200-watt-Profile-amplifier-2-channel_W0QQcmdZViewItemQQ_trkparmsZ72Q3a1205Q7c66Q3a2Q7c65Q3a12Q7c39Q3a1Q7c240Q3a1318Q7c301Q3a0Q7c293Q3a1Q7c294Q3a50QQ_trksidZp3286Q2ec0Q2em14QQhashZitem230337699156QQitemZ230337699156QQptZCarQ5fAmplifiers</a>  Can&#039;t argue with that. It has, but it hasn&#039;t.20 yrs ago a 100x2 amp was HUGE, and it probably would have cost you 300+.Now a decent 100x2 is $100 or so.Technology has mainly (from what I&#039;ve seen) gone into efficiency and smart power supplies with amps, and motors that can handle thousands of watts of power in subs.The industry has changed too.&nbsp; The internet has driven prices down a lot, so most of the middle-of-the-road brands have gone more to cheaper mfg processes and locations instead of producing the highest quality gear they can.&nbsp; So they can sell servicable gear cheap, and sell a lot of it.&nbsp; That&#039;s exactly how brands like Dual and Ultra Linear stay in business.&nbsp; It&#039;s mainly marketing to the uninformed consumers.&nbsp; Plus, a lot of the companies that were producing top notch products 10 yrs ago have been bought out and used to sell mediocre equipment.&nbsp; It&#039;s a lot easier to sell $100 amps than $300 or 400 amps. Primarily ridiculous over-ratedness - which, sadly, is standard practice among almost every budget line.An amp with 2x25A fuses rated at 1200w (RMS) is a joke.&nbsp; It&#039;s a 500w amp.  &nbsp; MSRP is about as meaningful as MAX POWER...no meaning whatsoever. If the subs are in the form of the bp1204 it&#039;s a 4 ohm enclosure - he&#039;d only get 250 out of that alpine. Interesting suggestion -- MA and Ultra Linear are cut from the same mold.UL&#039;s are probably MA&#039;s cheap line in a different chassis.</blockquote>

[QUOTE="n2audio, post: 5849724, member: 540940"] Do you have the XIA3145? That's a decent amp from what I can tell, but it just doesn't have the power to wake up a pair 600w subs. It's 290w bridged, that's as much as it will do -- not 580. Are your subs the BP1204? You need something around 600w rms at 4 ohms (probably a bridged 2 ch). I don't know anything personally about the UL1202, but I can see it has 2x25A fuses. Your Dual has 2x20's, so it wouldn't be realistic to expect more than 400-500w out of it. Would it be an improvement? Theoretically yes, but it wouldn't amount to much to your ears. Plus, according to Sunfire it won't last anyway. There's a current thread (turning into a fight) about the Crunch p1100.2 being on sale for $80 - looks like The Profile AP1200 is a pretty solid amp - millionbuy lists it for $110. If you'd consider a used amp you might pick this one up super cheap -- [URL="http://cgi.ebay.com/ebaymotors/1200-watt-Profile-amplifier-2-channel_W0QQcmdZViewItemQQ_trkparmsZ72Q3a1205Q7c66Q3a2Q7c65Q3a12Q7c39Q3a1Q7c240Q3a1318Q7c301Q3a0Q7c293Q3a1Q7c294Q3a50QQ_trksidZp3286Q2ec0Q2em14QQhashZitem230337699156QQitemZ230337699156QQptZCarQ5fAmplifiers"]http://cgi.ebay.com/ebaymotors/1200-watt-Profile-amplifier-2-channel_W0QQcmdZViewItemQQ_trkparmsZ72Q3a1205Q7c66Q3a2Q7c65Q3a12Q7c39Q3a1Q7c240Q3a1318Q7c301Q3a0Q7c293Q3a1Q7c294Q3a50QQ_trksidZp3286Q2ec0Q2em14QQhashZitem230337699156QQitemZ230337699156QQptZCarQ5fAmplifiers[/URL] Can't argue with that. It has, but it hasn't. 20 yrs ago a 100x2 amp was HUGE, and it probably would have cost you 300+. Now a decent 100x2 is $100 or so. Technology has mainly (from what I've seen) gone into efficiency and smart power supplies with amps, and motors that can handle thousands of watts of power in subs. The industry has changed too. The internet has driven prices down a lot, so most of the middle-of-the-road brands have gone more to cheaper mfg processes and locations instead of producing the highest quality gear they can. So they can sell servicable gear cheap, and sell a lot of it. That's exactly how brands like Dual and Ultra Linear stay in business. It's mainly marketing to the uninformed consumers. Plus, a lot of the companies that were producing top notch products 10 yrs ago have been bought out and used to sell mediocre equipment. It's a lot easier to sell $100 amps than $300 or 400 amps. Primarily ridiculous over-ratedness - which, sadly, is standard practice among almost every budget line. An amp with 2x25A fuses rated at 1200w (RMS) is a joke. It's a 500w amp. MSRP is about as meaningful as MAX POWER...no meaning whatsoever. If the subs are in the form of the bp1204 it's a 4 ohm enclosure - he'd only get 250 out of that alpine. Interesting suggestion -- MA and Ultra Linear are cut from the same mold. UL's are probably MA's cheap line in a different chassis. [/QUOTE]

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