Matching power at maximum rating for?


Hello everyone. First off I'd like to thank everyone at the forum who has helped me along the ways. I have learned a great deal and have been enjoying my music listening a whole lot more. So after a month of annoying everyone in the forum and going out and auditioning I finally got this set-up.

Totem Rainmakers (Sonus stands)
Nad c320bee
SB2 Modified
Straightwire octava II
Analysis Plus Oval and Straightwire Interconnect (haven't decided which to keep).

Had my friend over and he told me that I needed to change my Nad because it's not powerful enough. It can drive the rainmakers but not to it's full potential. He told me that most people never match the speaker at the recommended power level but match the minium. According to him this requires to speakers to work alot harder to produce the sound and usually wear down speakers quicker. Now is this true? If so what kind of Integrated do you suggest or power amp can I purchase used here on audiogon for around 5-600 dollars?

daimbert
Keep the NAD. Dump the friend. Or at least, take anything he tells you about audio with a huge grain of salt. Speakers don't "work hard." They take what power you send them, and they do the work. If you're trying to fill a cavern with ear-splitting sound, the NAD isn't powerful enough. But if that's the case, you'll know it. (As in, you'll hear it.) If it sounds ok to you, then the NAD is plenty powerful enough for your system.
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I would agree with Pabelson. Your speakers require 20 watts minimum and 100 watts maximum. The NAD is rated at 50 watts. Unless you're trying to fill a huge space this should be more than enough.