Increasing Amp Power - AVS | Home Theater Discussions And Reviews
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post #1 of 2 Old 08-23-2014, 04:22 AM - Thread Starter
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Increasing Amp Power

I have a Yamaha rv-x473 receiver but it does not have any pre-outs. Can I still utilize a power amp with the Yamaha to boost the power of the 2 front channel speakers and how would that be done? Would the watts be additive between the Yamha and the power amp or would the power amp wattage dictate?
Any equipment recommendations?
Or should I just buy a more powerful avr?
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post #2 of 2 Old 08-23-2014, 10:28 AM
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You'd have to tap off the speaker levels with an adapter. Power in this scenario is not additive; the power amp would set the power. If you really need more power you should probably get an AVR with preamp outputs or a pre/pro.

Look at http://myhometheater.homestead.com/splcalculator.html to get an idea how much power you are actually using and how much you might need. Chances are if you really need a lot more power then you will need more than the average AVR provides. Doubling the output power of your current AVR only provides a slight 3 dB increase in volume (SPL); it would take ten times the power to play twice as loud.

HTH - Don

"After silence, that which best expresses the inexpressible, is music" - Aldous Huxley
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