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5 models

  • Waldorf Microwave

    Wavetable synthesizer module

    Synthesizer · Germany

    The Waldorf Microwave, released in 1989, is a wavetable synthesizer module that carried forward the technology of the PPG Wave. Its digital wavetable oscillators paired with analog filters produced distinctive evolving, metallic, and digital textures.

  • Oberheim Xpander

    Six-voice analog synthesizer module with matrix modulation

    Synthesizer · United States

    The Oberheim Xpander, introduced in 1984, is a six-voice rack-format analog synthesizer module and the architectural sibling of the Matrix-12. Each voice offers two oscillators, fifteen filter modes, five LFOs, five DADSR envelopes, ramp and tracking generators, and a flexible modulation matrix, making it a benchmark of analog synthesis flexibility in a keyboardless module.

  • Yamaha MU80

    Rackmount XG MIDI tone module

    Synthesizer module · Japan

    The Yamaha MU80, released in 1994, is a rackmount XG-format MIDI tone module with 32-voice polyphony, 16-part multitimbrality, and 729 voices including Yamaha's XG extension set. It featured built-in digital effects and was designed as a high-quality MIDI playback and performance sound module compatible with GM, GS, and the Yamaha XG standard.

  • E-mu Proteus/1

    Rackmount sample-based sound module

    Synthesizer module · United States

    The E-mu Proteus/1, introduced in 1989, is a 1U rackmount sound module that played back 16-bit ROM samples across 32-voice polyphony and 16-part multitimbrality. It drew on sounds derived from E-mu's EIII sampler library and became a widely used professional sound module for orchestral and pop production in the early 1990s.

  • Roland JV-1080

    Rackmount synthesizer sound module

    Synthesizer module · Japan

    The Roland JV-1080, released in 1994, is a 2U rackmount synthesizer sound module built on Roland's JV/XP sample-based synthesis engine with 64-voice polyphony and 16-part multitimbrality. It shipped with 560 patches across 16 internal banks and accepted up to four SR-JV80 series expansion boards, making it highly popular in professional studios and live rigs throughout the 1990s.