1983 RICKENBACKER 4000 BASS
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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 |