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Barry M's avatar

Just in case it's of interest for your surveyy, my January 1985 4003 (seriel number YA1014) has the newer single action truss rods. Adjustment at the body end, two anchors with acorn nuts at the headstock.

Woody Cross's avatar

Fantastic overview of the evolution of Rickenbacker’s most iconic bass!

Curious that you didn’t start a few years previous, as the earliest 4000+1 basses had quite a few variations as well.

(Sand cast aluminum bridge/tailpieces that didn’t lift, 1/2” spacing on the neck toaster were the 2 biggest ones.)

Woody Cross's avatar

Those early/mid 60’s 4001 -s models were what macca,squire, waters, gibb, entwhistle, etc played. Which I’m sure you know….😉

Andy White's avatar

Well those will have to go into the 4001 timeline, won’t they! Stay tuned…