In 1969 Led Zeppeling rented guitars and amp from Rickenbacker in the total amount of 12,492$. among other guitars, there was an experimental version of the 4001S, with a fifth knob, and two toaster pickups, in 4005 positions. He used this bass in Detroit, January 1969. Since then, as far as I know, it's safe guarded in the RIC factory in California.more
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