Need integrated amp for Sonus Faber Concertos

I vote for the Musical Fidelity.I own the A3,and just compared it to the McCormack DNA Deluxe in my house.I sold the McCormack.
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I have the Concertos with Classe CAP 150 integrated and CAL CL 10. The combination is very round and pure. Only thing about the Concertos is that they like a lot of power. Thankfully, the Classe has it to spare.

I was dead set on Arcam FMJ great quality until I A/B'd with the Classe in sound room.

The classe was infinitely warmer and rounder to my ears.
I am extremely happy with the pairing.

Only thing I wonder about is why I have never seen a review of my Classe Integrated (not that i don't trust my own ears.....)

Another option might be a Densen B100. They're hard to find in the US, but very popular in Europe.
If you could find a used Lavardin it would also be very good.

Has anyone ever matched the Concertino with the 47 Labs Gaincard?

Second the YBA DT Integre recommendation. I have both a single transform and DT that I used with the smaller Concertinos. The single transform was not enough.