1972 RICKENBACKER 4001-S BASS
For photos, click on the links below:
In 1972 the walnut wings were gone from the cresting wave shaped headstock.
Other 1972 4001-S features: Grover Imperial non-wavy tuners, logo on plexiglass truss rod cover, neck through body design including skunk stripe, dot fret markers, 20 frets, no binding, toaster shaped neck pickup, four pole or horseshoe bridge pickup including cover and chrome surround, white pickguard, clear plexiglass thumb rest, black heptagonal shaped knobs, CTS potentiometers, combination wiring on pots, molded "blue drop" and yellow capacitors, 3 way pickup toggle switch, chrome "gaptooth" bridge assembly including mutes, pots cavity marking, 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 1972 Rickenbacker serial numbers are:
| LA 05x | 1972 January |
| LB xxx | 1972 February |
| LC xxx | 1972 March |
| LD 38x | 1972 April |
| LE 43x | 1972 May |
| LF 55x | 1972 June |
| LG 66x | 1972 July |
| LH 87x | 1972 August |
| LI xxx | 1972 September |
| LJ 121x | 1972 October |
| LK 141x | 1972 November |
| LL xxx | 1972 December |