1975 Gibson EB3 Bass
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1975 EB3 characteristics: Large headstock including gold silkscreened Gibson logo with "i" dot connected to the "G" and open "o", two screw plastic truss rod cover with no model name, Kluson clover riveted tuners with slot head screws, "EB-3 MADE IN U.S.A." and serial number embossed onto back of headstock, volute on headstock back, unbound rosewood 21 fret board with pearloid dot fret markers, short scale glued in neck, large chrome four pole humbucker pickup with black plastic surround positioned away from the neck butt plus a second four pole chrome mini-humbucker pickup with black plastic surround near the bridge, black/white/black/white pickguard with curve at bottom end, four position varitone chicken-head selector switch, four silver top/black witch hat shaped knobs with numbers, volume/tone words and metal position pointers, potentiometers, various small capacitors, three pole bridge, chrome bridge cover, input jack on body front, strapholder on body back, five screw plastic controls access cover on body back, molded black hard case.
During the year serial numbers changed from being successive to eight digits beginning with an "99" prefix, located on the headstock back. For more precise dating cross reference the serial number with the instrument's potentiometer codes. Gibson shipped a total of 86 Cherry, 138 Walnut and 1 left handed Walnut EB3's in 1975.