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Audio and Video Talk
Audio Visual Technology
Receivers available power for Surround Speakers Only
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<blockquote data-quote="KenMasters" data-source="post: 1125122" data-attributes="member: 517"><p>If you're not picking up any audible clipping, I'd say don't bother with switching between pre-amp mode. Just thought it was worth mentioning because as you say, it's not something many people seem to be aware of.</p><p></p><p></p><p></p><p>I haven't heard that rule of thumb, sounds like something an amplifier manufacturer would tell you. Also, what you're saying here about peaks, remember that if a speaker manufacturer recommends 20-200W, they're saying that the max power handling is 200W - you send 400W your speaker's way and bye, bye speaker.</p><p></p><p>The specs of the B&Ws indicate they're fairly efficient, on paper a speaker with a 90dB sensitivity rating requires only 32W to produce 105dB - you really don't need that much power to drive your typical speaker to satisfying volume levels (especially if you have a subwoofer in the mix). The occasional transient peaks you're talking about are what the rest of those watts of your Rotel's are for.</p><p></p><p>Actually looking a your Rotel, I see it is a 5ch amp - use that to drive all your speakers, put your AVR in pre-amp mode and call it a day.</p></blockquote><p></p>
[QUOTE="KenMasters, post: 1125122, member: 517"] If you're not picking up any audible clipping, I'd say don't bother with switching between pre-amp mode. Just thought it was worth mentioning because as you say, it's not something many people seem to be aware of. I haven't heard that rule of thumb, sounds like something an amplifier manufacturer would tell you. Also, what you're saying here about peaks, remember that if a speaker manufacturer recommends 20-200W, they're saying that the max power handling is 200W - you send 400W your speaker's way and bye, bye speaker. The specs of the B&Ws indicate they're fairly efficient, on paper a speaker with a 90dB sensitivity rating requires only 32W to produce 105dB - you really don't need that much power to drive your typical speaker to satisfying volume levels (especially if you have a subwoofer in the mix). The occasional transient peaks you're talking about are what the rest of those watts of your Rotel's are for. Actually looking a your Rotel, I see it is a 5ch amp - use that to drive all your speakers, put your AVR in pre-amp mode and call it a day. [/QUOTE]
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Audio and Video Talk
Audio Visual Technology
Receivers available power for Surround Speakers Only
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