KORG MS2000

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Roland Juno-106

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ROLAND SH-101 Blue

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Roland MC-303

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Roland TB-303

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"a monophonic analog bass synthesizer married to a pattern-based step sequencer released in 1982. It features a single analog oscillator with two waveforms (ramp or square) and has a simple but excellent VCF filter with resonance, cut-off, and envelope controls. There are also knobs to adjust tuning, envelope decay, tempo and accent amount."