5/24/2023 0 Comments Emu e4xt ultra manual pdfThree Z-80 CPUs drove the polyphonic keyboard, the control module and a refrigerator-sized 8~16 voice card box. ![]() Audity image courtesy of Audity - launched at 1980 AES Show (never shipped) The Audity was E-MU's hybrid synth dream machine. The E-MU Modular featured the world's first microprocessor-controlled polyphonic keyboard and sequencer (control voltage, of course, as this was years before MIDI), which was also one of E-MU's first patents. ![]() E-MU Modular E-MU Modular System - 1972 Famous for its remarkable stability, E-MU's Modular System was sturdier and would stay in tune much longer than the synthesizers offered by Moog and ARP at the time. Unlike the “bulletproof” all-aluminum standards of the Modular systems, the E-MU 25 used cheap slide pots and plastic switches, and even sported a 'vacuum cleaner' power switch! Only two units were produced they were identical on the outside, but had completely different circuitry inside because the circuitry was evolving so quickly. ![]() E-MU 25 E-MU 25 - 1971 The E-MU 25 was a precursor to E-MU’s Modular systems, featuring about twenty modules behind a single front panel, including 3 VCO's, 2VCF's, 2VCA's and two envelope generators.
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