Yeah the MGB was used by a bass player here 80's and 90's from memory by Adelaide band Chunky Custard..had a black one I think it was...sounded great.Those JB4s call me a bit, though there seem to be mostly Fretless ones - like yours? Fretless scares me a bit, not that I have any cash for one anyway.
The MGB is cool also - looks like the JB4 but active. So a bit closer to the CC LLB.
