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You see? All these Club Polk guys got it goin' on!
While dyed in the wool audiophiles claim to hear differences in amps, I think at the level of your equipment and speakers, you will hear more of a difference between pre/pro sections than you will differences in solid state amps, provided each has sufficient power and current to adequately do the job. I don't see a problem using the Carver; it certainly has a lot more power than your AVR.
You could always run the 150's on small and avoid the requirement of an external amp, but that is sort of defeating the purpose of owning the 150 in the first place.
IF the HT source material for the L/R channels has a lot of bass (this will vary greatly from DVD to DVD), then the 150's will place a very high demand on your AVR. For two channel music, it is almost a given they will require a separate amp.
Owners of 150s over at Club Polk are feeding them anywhere from 200-400 watts in two channel applications with great results. Adcom, Parasound, and Rotel seem to be popular choices. The h/k bridged should work great too; h/k external amps have always had beefy power supplies. I have an older h/k 870 with almost 60,000 uF of capacitance and it can pass 60 amps for short periods. Current capacity and the ability to drive low impedance loads should be the most important consideration here when selecting an amp. While the 150 is rated at 8 ohms nominal, preliminary measurements from owners suggest otherwise and we suspect impedance might drop down to around 3-4 ohms in the bass region.
Regards,
Ed
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