Gibson EB-3 technical reference information
Gibson EB3 circuit schematics series 1 (1961-1971)
Gibson EB3 circuit schematics series 2 (1971-1979)
EB3 controls (1978) - What the varitone and four pots actually do
EB3 parts list (1965, 1971, 1977, 1981) - All the components listed with part numbers
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