I have a low output Sumiko MC cartridge. Even though the Rotel is set up for MC operation, I find my system sounds better with a Levinson phono pre/preamp ahead of the Rotel. Then I run the Rotel in MM mode.
Wouldn't that run the RIAA curve
twice?

Seems dubious at best to me as a vinyl fan to run two phono preamps.
Charlie, s/n is only one part of the equasion. Your assessment that vinyl resolves to about 12 bit is very simplistic and only involves one of many factors in creating good audio. S/n is vinyl's achilles' heel, for sure, but the music above that noise level can be at least as precisely resolved than redbook CD (IMO - assuming a good record).
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Philip Hamm
[This message has been edited by Philip Hamm (edited January 28, 2003).]
[This message has been edited by Philip Hamm (edited January 28, 2003).]