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, often fixable by cleaning or replacing contact pads without needing a professional tech. DO1 - Oberheim Key Knobby

: The first true polyphonic keyboard in this series, available in 4, 6, or 8-voice configurations. : Introduced advanced software control (Page 2) while