1973 GIBSON EB4-L BASS
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During the year the two pole tune-o-matic bridge with metal saddles changed to the three pole bridge.
Other 1973 Gibson EB4-L characteristics: larger headstock including gold Gibson logo silkscreened on. The "i" dot was connected to the "G" and the "o" was open. Two screw plastic truss rod cover with no model name, "MADE IN U.S.A." stamp on back of headstock beneath the serial number, Schaller M4-S open gear tuners, volute on headstock back, long scale glued in laminated three piece maple neck, unbound rosewood 20 fret board with pearloid dot fret markers, large chrome four pole super-humbucker pickup with black plastic surround positioned away from the neck butt, black/white/black/white pickguard, two silver top/black witch hat shaped knobs with with numbers, volume/tone words and metal position markers, CTS potentiometers, tone selector switch, chrome bridge cover, input jack on body front, strapholder on body back, five screw plastic controls access cover on body back.
Gibson shipped a total of 579 Cherry and 413 Walnut EB4-L's in 1973. For 1973 serial numbers see the "Gibson Serial Number Chart". For more precise dating cross reference the serial number with the instrument's potentiometer codes.