1976 Gibson solid body catalog. Page 11. The 1976 catalog was an updated version of the 1975 catalog, with changes made to pages 10-12 only. Page 10 is a right hand page of a double page spread on the Gibson S-1.
1976 Gibson S-1 specifications were listed as follows:
3 new design high frequency pickups wired in humbucking (three point adjustable) 4 position pickup and phase selector switch A unique bypass switch to enter into the circuit, the back to pickup only Black fingerrest with a white revealed edge Solid alder construction Wide travel tune-a-matic bridge with stop bar tailpiece Deep florentine cutaway offers easy access to upper playing register Available in Natural Satin, Lustrous Ebony, Lustrous Sunburst finish Body size length 17 1/4", width 12 3/4", depth 2" Scale length 24 3/4"
Laminated maple Rosewood fingerboard with dot inlays Width at fingerboard nut 1 11/16" Gibson adjustable truss rod Distinctive peghead shape Individual machine heads with metal keystone buttons 22 frets