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Recommended power to drive Polk RTi-A7 (aka RTi-10)

post #1 of 2
6/1/12 at 10:33am
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Someone locally has a set of mint Polk RTi-A7 floorstanding speakers. I am probably going to pick these up to replace my Monitor 60s.

Right now I run the Monitor 60s in bi-amp from an Onkyo TX-SR606 (90W RMS per channel @ 8ohms, 20-20000Hz). Will this be enough horsepower to sufficiently drive the RTi-A7s? The receiver is not true 90WPC in 5.1/7.1.

The M60 is 3x5.25" and 1x1.00", 90dB efficient. The A7 is 2x7.00", 1x6.50", 1x1.00", 89dB efficient.
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post #2 of 2
6/1/12 at 3:02pm
Are you crossing these to a sub at 80hz, or running them full range? The triple 7" woofers don't take over until 120hz if I recall correctly. There might be some moderate strain on the lower mid bass, but they arent a tough speaker unless used full range.
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