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James,The OP asked if he would hear a BIG difference in in sound quality in his system just by upgrading his amp. He also stated he is biamping his RM-2s with is Outlaw amp. In this configuration he would be feeding his speakers 300 watts to the low and 300 to the high end of each speaker. This is with an amp with respectable numbers, -100db crosstalk between channels, 50 volt slew rate, a dampening factor greater than 400 and a signal to noise ratio of 0.03% at the rated output. This amp is not equal to many of the better Audio grade amps available but I don’t think it is the weak link in his system. Can his system be improved with a better amp, of course it can. Will it be the BIG difference he is looking for, I don’t think so. When I gave the OP my advice, I prefaced it with “for me” improving the source gave me a better bang for the buck (Larger perceived improvement in sound quality) than when I upgraded my amps.
I know little about OPs Cambridge 740c CDP. How do folks rate it?
Any other specific recommendations for the amp?
I used to own the model prior to the RM2's, and I can tell you that VMPS speakers love power. Don't skimp on power.
Powering my ST/R or the RM-1s with Tommy O"Briens super tasty Cherry Ultra amp. VMPS models may be rated highly efficient in db, but really come alive with a good solid digital amp. As I recall the Adcom 555 mkII had a very hot top end, midrange not much better, its forte was in the bass. Preferring it over the Emotiva mono-bloc amps tells me all I need to know ... buy American! Feed them RM-2 with a quality amp and sit back and listen in amazement like I have been. Tommy O"s Cherry Ultra is peaches with me!DW
I love the sound I get.
I drive my RM2s with a Yama P2500S stage amp. No fans. Low idle current. Quiet clean power. I suppose you folks think this is heresy, but I love the sound I get.