I find this a great all around - multipurpose - combo perfect for small trio gigs, and rehearsal. Easy to get a good sound of right from the start. A "no problem" amp. However, I am on my third now, within a warranty period. Had to change out mine 2 times, when it started to buzz/fizz for no reason. They swapped it out for a new one. No use or worth to repair.
When the "vintage" knob is turned on, it acts as a low mid boost, with a slight compressor sound to it. It starts to mimick 60s Ampeg fliptop amps a bit. Thicker sounding with a small tad of air around it, as if there's some added cab or room sound to it.
Live on a gig, you have to line it out if venue is big enough. However, the Master Volume affects the line out Direct to PA and is quite useless in my opinion. If you have NO monitors on stage, the stage volume is set by the master on this combo. However it affects the volume out to PA too, so it's bad conduct IMHO. Not so minor quibble in my book.
Most lightweight amps has fans in them. This has too low wattage so no fan is needed. Bedroom practice at low levels makes this a charm. The other ones 200W and 500 has built in fan. Ok, this means that this one has absolutely no fan noise at all. Which works a charm.