Amplifiers in use with big Harbeths (Mon 40 series) that work very well

Plinius SA-102 in class A (best solid state I’ve owned)

May I ask what preamp was matched to the Plinius SA-102. I used to own the SA-100mk3 with Harbeth SHL5 and the sound was too warm and thick in the midrange and bass with reduced clarity and detail across the frequency spectrum. I tried about 3 or 4 preamps with the SA-100mk3 without much success. Few integrated amps sound better than the Plinius separates but they didn’t go too low in the bass.

In the end I settled with Naim mid range separates for the Harbeth, now upgraded to SHL5+.

I used an Aesthetix Calypso with NOS tubes.  

While the Plinius was the best solid state amp Ive owned, I haven't owned a lot of SS amps as I prefer tube amps.   If I had to use SS, the SA 102 is an amp I could live with.

Thanks for the response. The Audio Research LS16 Mk2 sounded best with the Plinius SA-100Mk3 on the Harbeth although the overall combined system wasn't cutting it. I suspect the SA-102 is a significantly better sounding amp than the SA-100 and the Aesthetix Calpyso is a good match to it.