Weston Introduces PRO2021 mkII, A Sequential Pro-One Clone You Can Build Yourself
At Knobcon 2025, held Sept 5-7 in the Chicagoland area, Weston Precision Audio introduced the PRO2021 mkII, described as “the best Pro-One clone you’ll ever play.”
The PRO2021 mkII clones the original Sequential Pro-One, but with much better build quality. Where the original had a plastic panel, cheap pots and a problematic keyboard, the PRO2021 mkII features heavy-duty build quality, a metal panel, upgraded pots and switches and a modern keyboard.
Features:
- Updated clone of the Sequential Pro-One features
- Music Technologies Group Turbo CPU offers enhanced capabilities
- DIY project designed to be easier to build, with no hand wiring
- Fatar keyboard with aftertouch, with controls for filter and pitch modulation
- Improved PC layouts for lower noise
- Improved metal-shaft pots and high-quality switches
Details on pricing and availability are still to come. They plan to make it available as a kit through synthCube.
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