[Musiclab]

It's a different beast than the rebel, it's very versatile, and sounds great. but sadly they have build quality issues, I'm on my second one, and that one just blew a power transformer. They also had a real bad run of tubes, so be prepared to retube your amp if you use it for gigs, and there are a lot of tubes in a 4100. If they can get the reliability issue taken care of it's a killer amp