Hi Ive recently purchased this amp as a stand in while my valve amps were being re-built.
I've only had it for a couple of months, But I must say that i'm very very impressed at the detail and 3D images that this amp can produce. This is quite a grown up amp and sounds a real classy machine. I never heard the 1st Unico (which won awards) but this lastest version ( Unico Nuovo) is apparently an upgraded an improved version of the original.These Hybrids certainly give you the best of both worlds, warm valve preamp & yet plenty of transistor clout (especially in the bass), Like expensive valve gear.
To sum up one hell of an amp for the money, as you can pick these up 2nd hand (as I did) for between £700 & £800
I'd get an audition if you can! I cant wait to do an A/B when my valve monoblocks return.