Do1 - Oberheim Key Knobby Access

: 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

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

: The first true polyphonic keyboard in this series, available in 4, 6, or 8-voice configurations. : Original parts, like specific DAC chips or

: Modern reissues like the OB-X8 include a specific "Vintage" knob. This digitally controlled parameter introduces subtle, per-voice variations in tuning and envelope timing to mimic the instability of 40-year-old analog hardware. Technical Evolution : Original parts