GRETSCH 7763 EXPANDER-G Description
- 300W, head-unit plus two cabinets "single-but-split" either 2-12 in. or 1-15 in. speakers, solid-state chassis, two or three channels, tremolo, fuzz control, reverb, front silver control panel, various controls and knobs, black covering, black grille, mfg. 1970s.
This was a huge unit with two speaker cabinets, which may also have tweeters. On the reverb tank on this model it reads "O.C. Electronics, Folded Line reverb unit. Manufactured by beautiful girls in Milton, Wisconsin under controlled atmospheric conditions."