I heard V12 and it was very good. While not as extended in frequency extremes as audio research, it has better mid range texture and smoothness. I've the ARC VS110.
The R model is marginally better but the upgrade is not too expensive. Buying a used 12i upgrading to R still worthwhile IMHO.
The R model is marginally better but the upgrade is not too expensive. Buying a used 12i upgrading to R still worthwhile IMHO.