I had this problem once on a different brand of amp, drove me crazy... turned out to be dust in the channel switching button. try and blow that out with compressed air.
Honestly these small heads still have a big sound.... just less headroom. Through a 4x12 id imagine you will get a decent amount of low end.
I agree with a lot of these guys about the 2525h Jubilee head, It can do 800 and Plexi tones as mentioned above and its EQ control is very broad and...
Bugera has brought the consumer the amps we want at a price thats realistic.
a stupid wooden box with tubes from marshall is about 1500-2000 and my iphone was 200 bucks and that thing is massively more high tech.
any way back to amps i run a bugera 333 through a jcm900 1960a cab, it is...