I've listened to this combo and found it very good. I have a friend who brought their 3B-ST over for some extended listening. I am actually running my Concerto's with a Classe DR-10, which delivers roughly the same power as the 3B-ST. I found the Bryston a bit dryer than the Classe, but given the SF's inherent sound and softness, it's a good match. The SF seem to prefer SS amps that can deliver a decent amount of current. If you're in a small room listening at reasonable volume, you should be fine. If you're attempting to drive them in a larger room at higher output, the 120w Bryston may be a bit underpowered. Good luck. -tw