Class d amplification

Don’t let the price fool you but Class D Audio amps are in same category. 
 

I heard the Atmasphere amps at CAF a while back and they were wonderful. But must qualify that was with the usual Classic Audio high efficiency speakers. Kef Blades are much different.   So I would expect them to work well but not sure.   
 

I use the Class D Audio amp with kef ls50 metas and that combo is hard to beat within its limits imposed by the small KEFs.   Blades are a different beast.  The Class D audio amp is also the best I have ever paired with my big Ohm F5s, which are more in the class of KEF Blades.

I have the Atma-Sphere Class D driving Quad ESL 63s for four months.  These speakers are revealing and I can listen all day to decent source with no fatigue.

I think the Atma-Sphere and Orchard entries are very much worth auditioning. They are two excellent amps with different sound profiles.

https://futureaudiophile.com/atma-sphere-class-d-gamono-amplifiers-reviewed/

https://futureaudiophile.com/orchard-audio-starkrimson-mono-ultra-premium-amps-reviewed/