Do1 - Oberheim Key — Knobby

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

: The first true polyphonic keyboard in this series, available in 4, 6, or 8-voice configurations. DO1 - Oberheim Key Knobby

: The interface encourages "exploratory" synthesis, where users can grab a knob to adjust filter resonance or oscillator frequency in real-time, which is essential for the "creamy" and "honey-like" sounds associated with the brand. : Common issues include dead or intermittent keys,