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  • Technical line drawing of a Korg MS-20-style semi-modular analog synthesizer

    Korg MS-20

    Patchable semi-modular monophonic analog synthesizer

    Synthesizer · Japan

    The Korg MS-20, released in 1978, is a patchable semi-modular monophonic analog synthesizer with two oscillators and a distinctive dual filter capable of aggressive resonance. Its hands-on patch bay and external signal processor made it a hugely influential and enduring instrument.

  • Roland System 100

    Analog semi-modular synthesizer

    Synthesizer · Japan

    The Roland System 100, introduced in 1975, was a semi-modular analog synthesizer sold as a set of matching components including a keyboard synthesizer, expander, mixer, and speakers. Patchable yet beginner-friendly, it bridged the gap between fixed-architecture synths and full modular systems.

  • Roland System 700

    Professional monophonic modular synthesizer

    Synthesizer · Japan

    The Roland System 700, released in 1976, was Roland's flagship modular synthesizer, a large patchable system aimed at studios and institutions. It offered a comprehensive set of oscillators, filters, and processing modules and represented the high end of Roland's early synthesizer line.