Give the Emotiva XPA-5 a serious look: 200W/ch. into 8 ohms all 5 channels driven. Price? $799 + shipping. has a 5 year, transferable warranty. It will improve mightily on your Yamaha's amps...BTW, Emotiva customer service is superb - I know from experience.
http://www.Emotiva.com
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http://www.Emotiva.com
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