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GK MB2-500 with "A05" serial number please check in

I just got an A05. I'm going to try to see if I can return it for a refund. It hisses badly at all settings. I would not feel good about gigging with it without backup with all the issues I have read in these threads. What good is a micro head if you need to bring 2? I'll stick with my 700rb-II for now and try again in a year or so...
 
You know what would be interesting to see and be able to refer to?
A list summary of what was changed with each revision.
I'm sure that info is buried in many pages of lengthly threads. But a brief tally.
I'm sure there's enough current and former owners that it could be done off the top off peoples memory.

A01...
A02...
" "
.
.
A07
 
You know what would be interesting to see and be able to refer to?
A list summary of what was changed with each revision.
I'm sure that info is buried in many pages of lengthly threads. But a brief tally.
I'm sure there's enough current and former owners that it could be done off the top off peoples memory.

A01...
A02...
" "
.
.
A07

That would be nice. BTW, is A07 the "final" version?
 
I just got an A05. I'm going to try to see if I can return it for a refund. It hisses badly at all settings. I would not feel good about gigging with it without backup with all the issues I have read in these threads. What good is a micro head if you need to bring 2? I'll stick with my 700rb-II for now and try again in a year or so...

My new A05 has been working flawlessly for several months/gigs/practices. I love this little amp and am glad I gave it another shot.