David, it isn't clear what you meant that the M50s were more "matched" power wise to your 2150, because both the M50 and M60 have identical 89dB sensitivity at 1 meter using 1 watt. You'd have more than enough power for either of them.

Some might suggest that the surface noise that sometimes afflicts LPs would be slightly less prominant on the M50s.

Last edited by JohnK; 05/20/06 06:03 AM.
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Enjoy the music, not the equipment.