mono amp advice

Thank you for your responses. I have added
Theta Enterprise,Simaudio W10 and Musical Fidelity
kW750 to my "short list".

HI there the legendary George Kay has reissued the Moscode hybred amp. It has a mono switch for vertical bi amping. You will have the best of both worlds, and none of the drawbacks.
Another bonus the amp is visually stunning. George also offers a 30 day in home trial. I owned a moscode 15 years ago it kicked ass. I am going to get rid of my Audio Research mono blocks for a pair of the new moscodes.I also understand Wilsons are difficult to drive. Good Luck Timothy
PS a pair retails for about 10,800. I am sure if you buy a pair he would discount them to work in your budget.

Lots of great options - of the amps listed I would go with the Boulder. I'd also take a set of 7B-SSTs over the JC1s since you have short-listed them. Just my opion. I have a similar set up, and am thinking about going to ASR Exclusive II...maybe. More listening to do first.

A couple of used Rogue Zues' would be great. Although they are stereo amps you could biamp if the Wilsons are such.

With the Sophia's large bass driver, I would recommend staying with solid state to better control the bass driver and allow the mids to sound their clearest.

Although a bit higher than your budget, the new Metronome AMT-70 Class-A mono amps ($18k/pr.) are extraordinary!

jim Ricketts/tmh audio