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1983 Ric 4000 features: Cresting wave shaped headstock, Grover Imperial wavy tuners, logo on plastic truss rod cover, dual truss rods, 20 frets, dot fret markers, no binding, four pole pickup including cover and chrome surround, white plastic pickguard, two black heptagonal knobs with silver tops, chrome bridge assembly including mutes, mono input jack, potentiometers, Sprague "orange drop" capacitor, black case with black interior.

The letters on the chrome input jack plate determine the year and month of production. The digits indicate the number of production. Some examples of 1983 Rickenbacker serial numbers are:

WA xxx 1983 January
WB 22x 1983 February
WC xxx 1983 March
WD 50x 1983 April
WE 79x 1983 May
WF xxx 1983 June
WG 103x 1983 July
WH 119x 1983 August
WI xxx 1983 September
WJ 140x 1983 October
WK xxx 1983 November
WL xxx 1983 December