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Audio and Video Talk
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Power amp + AVR Help
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<blockquote data-quote="NS406" data-source="post: 714747" data-attributes="member: 16198"><p>The 683's seem properly demanding to drive. Not only does impedance drop to around 3 ohm, the phase angle is around -45 degrees, 4ohm at around 100hz. See this test (of S2 version):</p><p></p><p>http://www.stereophile.com/content/bowers-wilkins-683-s2-loudspeaker-measurements#A261uQ667VmIc0xB.97</p><p></p><p>I think the Amp, good as it is, is not up to driving these speakers well. The Yamaha Aventage-line feature pre amp outs and it measures very well as processor/preamp: http://www.audioholics.com/av-receiver-reviews/rx-a1010/rx-a1010-measurements</p><p></p><p>You may want to try a couple of subs and activate 'bass management' to take some LF strain of the amp in the mean time... But ultimately you need something with serious current ability for the 683's (and center channel too). </p><p></p><p></p><p>Sent from my iPhone using Tapatalk</p></blockquote><p></p>
[QUOTE="NS406, post: 714747, member: 16198"] The 683's seem properly demanding to drive. Not only does impedance drop to around 3 ohm, the phase angle is around -45 degrees, 4ohm at around 100hz. See this test (of S2 version): http://www.stereophile.com/content/bowers-wilkins-683-s2-loudspeaker-measurements#A261uQ667VmIc0xB.97 I think the Amp, good as it is, is not up to driving these speakers well. The Yamaha Aventage-line feature pre amp outs and it measures very well as processor/preamp: http://www.audioholics.com/av-receiver-reviews/rx-a1010/rx-a1010-measurements You may want to try a couple of subs and activate 'bass management' to take some LF strain of the amp in the mean time... But ultimately you need something with serious current ability for the 683's (and center channel too). Sent from my iPhone using Tapatalk [/QUOTE]
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Audio and Video Talk
General Discussion
Power amp + AVR Help
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