1983 RICKENBACKER 4001 BASS
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There were still some 1983 bridges without the two extra mounting screws.
1983 Ric 4001 features include: Cresting wave shaped headstock, Grover wavy Imperial tuners with chrome bushings, raised logo on plastic truss rod cover (plexiglass on left handed models), smaller triangle pearloid fret markers, neck through body design, 20 frets, four pole neck pickup, four pole bridge pickup with chrome surround, bridge pickup cover, white or black pickguard, heptagonal shaped knobs with silver top and lettering, CTS potentiometers, yellow capacitors, ric-o-sound input jack plate, plastic wiring, 3 way pickup toggle switch, chrome bridge assembly including mutes, black case with blue or 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 53x | 1983 April |
| WE 79x | 1983 May |
| WF xxxx | 1983 June |
| WG 105x | 1983 July |
| WH 115x | 1983 August |
| WI xxxx | 1983 September |
| WJ 140x | 1983 October |
| WK xxxx | 1983 November |
| WL xxxx | 1983 December |