• Ernie Ball
  • MusicMan
  • Sterling by MusicMan


New member
Jan 3, 2021
Hello all. New here. Just purchased a music man 212 cabinet. It has no emblems on it, but you can tell it is one. I'm under the impression that it was a 1977 212rh. I pulled the speakers out, and one is marked A12-rh, with Eminence 67-7642. The other is marked A12-g-hd, with Eminence 67-7731. Did they mismatch the speakers like that? Is it a 1976 or 1977 212rh? The cab front, behind the grill has a tag number, S01651. Does that mean anything? Also, what's with the capacitors in the cab? What purpose? Any info would be appreciated? Thanks.
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