Rowland JRDG 501 and Wilson Audio

For what it's worth, the only times I heard the
Watt Puppies sound really nice and smooth was with Levinson 33Hs and
Transparent cable at the old Soundex in Pennslyvania.
I think the preamp was Levinson also.
Otherwise they sound scratchy to me.

RGS92, what model of WaTT Puppies did you listen to? G.

Are there Spectron Musician owners that are using Wilson speakers?

I found the 201s had no soundstage or depth on the Sophias. Quite stale/sterile sounding and suffering in dynamics.

I had Nuforces Ref 9s on my Sophias that sounded phenomenal. As I said earlier, ymmv.

Yeap, that's the problem of the 201s. . . they definitely lack 'lung' capacity for relatively large speakers like the Sophias or my Mahlers. I am not surprised that the NuForces did well on your Sophias. . . I have used the Nuforce Ref 9V2SE on my own Vienna Mahlers, which are probably more difficult to drive than Sophias, and Nuforce monos control them with aplomb. On a different system I have also heard the JRDG 501s being plenty confy on the Mahler's. . . conversely the 201s can't drive the big Vienna Mahlers to any satisfactory degree.