Spatial Audio speakers sound best with Solid state or tube amps. If so, which models?

I had been interested in the 470 because my speakers (MMG's) went down to 4 ohms. A used 250 became available (also 4 ohm) so I jumped on it. The amp was complete. Does what I need it to do. Drives my speakers and doesn't turn my room into sauna.

Looks like the 500 is only rated for 8 ohm loads. What speakers do you have?

A pair of Silverline SR 11s' driven by  an AR SP14, Mark Levinson No. 311, and a Velodyne Digital Drive 10. Bought the SR 11s' here on AG, and got stiffed by the seller. Didn't have a system to test them with when they first came in, and didn't have for 6 months. Hooked them up and discovered a blown woofer. Tried to reconcile with the seller, but all I got was "They were working perfectly when I shipped them." So I bit the bullet and rebuilt them with replacement drivers and crossovers from Maddisound. Then, I started reading to reviews on the Spatial Audios, and they seem a perfect match for a 35 watt tube amp I have that I just love. Yes, i know it's madness.....but the perfect sound is just around the corner.....and now there are reasonably priced class D amps that show promise, especially with the Spatial Audios.....

MMG's go below 3 ohms at times, never run Maggies without a amp rated for 2 ohms.

peporter- nice gear!. One of the attractive qualities of the Spatials is the sensitivity. Seems to be a lot more choices for amps. I'm gonna try something different. Maybe tubes, or the new amp coming out from Schiit. Another good quality is how O/B interacts in my room. It's 11X12X9, not ideal dimension wise, but it is dedicated. The bass on these speakers is incredible. Nothing like I've heard before. Hard to describe. Not deep, but very detailed.
Sorry to hear about you getting stiffed. I've been fortunate.