1972 Ric 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