I don't want to be the bearer of bad news, but I had one of these about a year ago and it broke after three months. I had massive problems with manufacturer getting a refund.
The unit's performance wasn't bad; it really did bring a warmth to the music I was listening to. However, I wouldn't recommend this amp, as it is not durable.
Tube amps are wonderful, but there is little hope of getting a quality one at this price.
Also, if you do go...