1980 RICKENBACKER 4001 BASS
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1980 Ric 4001 features include: Cresting wave shaped headstock, Kluson riveted tuners with slothead or phillips head screws, black plastic bushings and shims under the tuner plates, raised logo on plastic truss rod cover (plexiglass on left handed models), smaller triangle pearloid fret markers, neck through body design including skunk stripe, 20 frets, four pole neck pickup, four pole bridge pickup with chrome surround, bridge pickup cover, white or black pickguard, plastic binding, heptagonal shaped knobs with silver top and lettering, CTS potentiometers, yellow capacitors, plastic wiring, ric-o-sound input jack plate, pots cavity marking, 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 1980 Rickenbacker serial numbers are:
| TA 14x | 1980 January |
| TB 57x | 1980 February |
| TC 12xx | 1980 March |
| TD 148x | 1980 April |
| TE 200x | 1980 May |
| TF 252x | 1980 June |
| TG 313x | 1980 July |
| TH 343xx | 1980 August |
| TI 396x | 1980 September |
| TJ 442x | 1980 October |
| TK 451x | 1980 November |
| TL xxxx | 1980 December |