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<blockquote data-quote="zako" data-source="post: 7986804" data-attributes="member: 629735"><p>Note that the infinity reference speakers have something like 2-3 ohm nominal impedance, which can be harder on the amplifier, specially during summer months. I&#039;d suggest to look into a Class D amplifier, such as Alpine MRX-V70 or Polk Audio D5000.5 Alpine MRX-V70 may not be the most powerful (though MRX amp are normally underrated by ~20%), but it&#039;s one of the cleanest amplifiers around as has been confirmed by numerous tests. It&#039;s also relatively small and efficient, so it should run reasonably cool. The subwoofer channel easily does &amp;gt;300watts. If you want a bit more power, consider Polk Audio Class-D amplifier D5000.5, another good performer. RE SRX12 is a good subwoofer, specially if you want a subwoofer with low qtc for a compact box (e.g. 1cu ft). It did fine for my music tastes on meager 200-250watts. The 300watt RMS rating has got to be its thermal rating, as its linear excursion of 18mm will be reached probably with double of that watt amount. (I think RE SRX and SE/x subwoofers as well as possibly other models are good subwoofers for the money. it&#039;s just a new fad on this web site to hate on RE gear because they &quot;sold out&quot;. )</p></blockquote><p></p>

[QUOTE="zako, post: 7986804, member: 629735"] Note that the infinity reference speakers have something like 2-3 ohm nominal impedance, which can be harder on the amplifier, specially during summer months. I'd suggest to look into a Class D amplifier, such as Alpine MRX-V70 or Polk Audio D5000.5 Alpine MRX-V70 may not be the most powerful (though MRX amp are normally underrated by ~20%), but it's one of the cleanest amplifiers around as has been confirmed by numerous tests. It's also relatively small and efficient, so it should run reasonably cool. The subwoofer channel easily does >300watts. If you want a bit more power, consider Polk Audio Class-D amplifier D5000.5, another good performer. RE SRX12 is a good subwoofer, specially if you want a subwoofer with low qtc for a compact box (e.g. 1cu ft). It did fine for my music tastes on meager 200-250watts. The 300watt RMS rating has got to be its thermal rating, as its linear excursion of 18mm will be reached probably with double of that watt amount. (I think RE SRX and SE/x subwoofers as well as possibly other models are good subwoofers for the money. it's just a new fad on this web site to hate on RE gear because they "sold out". ) [/QUOTE]

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