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Stefan Vorkoetter is a hobbyist who has been bitten by the Hammond bug. He is currently restoring and upgrading a Hammond M-111 Spinet. So far he has added a Leslie-like rotary speaker, rebuilt the stuck vibrato scanner, recapped and rewired the vibrato LineBox, designed and installed a drum machine, and built a pair of external tone cabinets into a window seat bookcase.

Articles describing most of his Hammond-related projects can be found at


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