I've owned and used just about every MB configuration: the 115, 210 and 212 combo amps, at one point or another in my recent career as a classic rocker. I've actually had TWO 212's and TWO 210's (one of each were used, the others were new out of box). I have some comments as to GK's products--at least to the extent of these models:
MB115 - Great thick sound for a 33lb cab. Unfortunately the weight advantage is probably compromising some the quality aspects that are integrated into "heavier" amps like Peavey, Ashdown, Warwick, Carvin and others in this price point. Invariably the cheap tweeter goes quickly and on mine the 15" driver blew about 8 months after the warranty expired. Fortunately GK's one of the best customer service entities in all of American music equipment companies and they sent me a replacement post-warranty. If weight is not your primary concern I'd pick up an old Yorkville Bassmaster XM200 with two 10s or the single 15" instead--and save around $200.
MB210 - I found the sound to be thinner and not as "thumpy" as the 115 or 212 configuration. The big advantage with this model is the ability to run an extension cabinet out of the ext. speaker jack in the back (the only model to have this). Overall a pretty good MB model, but the tweeters both blew on mine without much effort.
MB212 - Both tweeters blew and one of the drivers on one of the (used) ones I bought. Again, if weight is primary then you probably can't do much better than these amps.
If I had to do it all again and I was 20 years younger, I'd pick up a Peavey BAM combo amp or consider one of the Traynor DynaBass or Hartke Hydrives.
Originally Posted by buddhapaugh
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