I have a Glockenklang 2x12 (8 ohm), powered by either a Glockenklang Soul II (about 250 watt) or a QSC PLX1602 (300 watt). It's not loud enough for some of the gigs I do. Right now I'm a semi-pro, trying to become a pro. I play most gigs as sideman. I play and really like a variety of genres: bebop, 'latin', 'modern jazz', pop, rock, funk, soul etc.. I play double bass as well as bass guitar. Whenever I'm asked to play a rock-type gig, I feel that my amp's not loud enough. It's close, I don't get complaints from bandmembers at all, but I'd like to set it just a bit louder to be at the same level as the drums. If I would play rock gigs all the time, I would buy a second 2x12 immediately. Yet I don't, and most original music rock gigs don't pay that much either. I don't know what music I'll play in a year or so. I might play mostly acoustic jazz, back up a singer in a pop band, play in a fusion band... It all depends on what gigs I can get. I'm looking for one steady band to play with, instead of all the one-off gigs, projects, background music and substitute-gigs I'm doing now. On the other hand, I do like rock music and always try to have a band or project in that genre going, regardless of if it's bringing in money. Should I buy another 2x12 to have enough volume for the rock gigs for now and the future? Accepting the chance that I may have a 1200 cabinet sitting in my room doing nothing. Or wait until I can get steady work in one genre and decide again? If that ever happens... and right now just do the best I can with what I have.