Do1 - - Oberheim Key Knobby

: Common issues include dead or intermittent keys, often fixable by cleaning or replacing contact pads without needing a professional tech.

Oberheim’s design language is rooted in . Unlike later digital synths that moved toward menu-diving, the "Key Knobby" era—encompassing the OB-1 , OB-X, and OB-8 —prioritized having a dedicated control for nearly every parameter. DO1 - Oberheim Key Knobby

: Introduced advanced software control (Page 2) while maintaining the physical knob-per-function layout. It is often cited as the most reliable and affordable of the classic vintage polys. Maintenance & Longevity : Common issues include dead or intermittent keys,

: The first monophonic synth with user-programmable digital memory, breaking the strictly manual SEM paradigm. : Introduced advanced software control (Page 2) while

: Original parts, like specific DAC chips or SEM-style flange knobs, are increasingly rare. Tom Oberheim has been known to personally assist collectors with spare parts in rare instances. Sound Characteristics