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<blockquote data-quote="DJGTSR" data-source="post: 1495450" data-attributes="member: 564403"><p>I know that the newer X series amps were 2 ohm stable and made more power at 4 ohms than the respective USA series amps. They put out the same amount of power, just at different impedences. The old school (long *** mofos) didnt come with built in crossovers, although some of the more pricey amps had variloud controls.</p><p></p><p>I am hoping that the same carries true for the old school USA -400X although I have never seen a spec sheet so I dont know the power.</p><p></p><p>I emailed us amps but they never got back to me. I dont have my third W7 yet (just 2 at the moment) so I may just end up running 2 W7s at 3 ohms per channel just to give the USA-400X some breathing room.</p><p></p><p>Would be nice if all 3 could be utilized.</p><p></p><p>J</p></blockquote><p></p>
[QUOTE="DJGTSR, post: 1495450, member: 564403"] I know that the newer X series amps were 2 ohm stable and made more power at 4 ohms than the respective USA series amps. They put out the same amount of power, just at different impedences. The old school (long *** mofos) didnt come with built in crossovers, although some of the more pricey amps had variloud controls. I am hoping that the same carries true for the old school USA -400X although I have never seen a spec sheet so I dont know the power. I emailed us amps but they never got back to me. I dont have my third W7 yet (just 2 at the moment) so I may just end up running 2 W7s at 3 ohms per channel just to give the USA-400X some breathing room. Would be nice if all 3 could be utilized. J [/QUOTE]
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