1971 RICKENBACKER 4001-S BASS
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1971 4001-S features: Cresting wave shaped headstock with walnut wings, Grover Imperial non-wavy tuners, logo on plexiglass truss rod cover, full width maple neck through body design, dot fret markers, 20 frets, no binding, toaster shaped neck pickup, four pole bridge pickup including cover and chrome surround, white pickguard, clear plexiglass thumb rest, black heptagonal shaped knobs, CTS potentiometers, Sprague "orange drop" capacitors, cloth wiring on pots, pots cavity marking, 3 way pickup toggle switch, chrome "gaptooth" bridge assembly including mutes, mono input jack plate.
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 1971 Rickenbacker serial numbers are:
KA xxx | 1971 January |
KB 06x | 1971 February |
KC 45x | 1971 March |
KD 18x | 1971 April |
KE xxx | 1971 May |
KF 52x | 1971 June |
KG 44x | 1971 July |
KH 87x | 1971 August |
KI xxx | 1971 September |
KJ xxx | 1971 October |
KK xxx | 1971 November |
KL xxx | 1971 December |