1964 Ric 4001-S Bass

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1964 4001-S features: Cresting wave shaped headstock with walnut wings, Kluson riveted reverse tuners with flathead screws, plexiglass truss rod cover with logo but no model name, maple neck through body design, dot fret markers, 20 frets, no binding, toaster shaped neck pickup, horseshoe bridge pickup with large chrome surround, white pickguard, clear plexiglass thumb rest, black plastic heptagonal shaped knobs, potentiometers, molded blue capacitors, 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 1964 Rickenbacker serial numbers are:

DA x 1964 January
DB x 1964 February
DC 17x 1964 March
DD x 1964 April
DE x 1964 May
DF x 1964 June
DG x 1964 July
DH x 1964 August
DI x 1964 September
DJ x 1964 October
DK 57x 1964 November
DL x 1964 December