Watts/Channel in Speaker vs Watts/channel in Receiver - AVS Forum
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Old 04-29-2013, 09:50 PM - Thread Starter
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Hi,

I am planning to purchase a receiver for Definitive Tech ProCinema 800 speaker system. I do have plans of upgrading to 7.1 sometime later . Each speaker has a different recommended amplifier power as below:

ProMonitor 800 (4 each) - 10 – 150 watts
ProCenter 1000 (1 each) - 10 – 200 watts
ProSub 800 (1 each) - 300 watts

I am seeing receivers which can pass different watts per channel like for example some have 100X5 and some like 90x7.

If i buy a receiver which is passes 90watts per channel output should i assume that i am under utilizing the speaker's capacity?

thanks,
raj
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Old 04-30-2013, 12:18 AM
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No. The "ratings" on speakers should be read as the "max safe limit". As in, push more power than that, and you can damage the speaker. Some manufacturers will put a 'recommended' amplifier output, but those are just a guideline, too, based on the speaker's efficiency.

The difference in output between a 90W/ch AVR and 100W/ch is trivial. Note that except during really loud playback, you're only driving a small percentage of that total output anyway.

Jeff

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