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4 models

  • Technical line drawing of ARP Omni

    ARP Omni

    Polyphonic analog synthesizer

    Synthesizer · United States

    The ARP Omni, released in 1975, is a polyphonic synthesizer that combined a popular string-ensemble section with a polyphonic synth and a bass voice. One of ARP's best-selling instruments, its lush strings were widely used in 1970s pop and rock.

  • Yamaha GX-1

    Concert-model Electone with polyphonic synthesizer technology

    Japan

    A large Yamaha concert-model Electone with eight-note polyphonic synthesizer technology, introduced in 1975 and discussed in Yamaha's official synthesizer history.

  • Polymoog

    Synthesizer model

    Synthesizer · United States

    The Polymoog, produced from 1975, was Moog's early fully polyphonic synthesizer, using divide-down organ-style circuitry so that every key could sound at once. It offered preset voices and resonant filters, and its distinctive 'Vox Humana' patch became iconic.

  • Micromoog

    Monophonic analog synthesizer

    Synthesizer · United States

    The Micromoog is a compact, affordable monophonic analog synthesizer Moog produced from 1975, featuring a single oscillator, the classic Moog ladder filter, and a ribbon controller for expressive pitch effects.