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Electro-Voice EVI-28 manual

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Table of contents for the manual

  • Page 1

    Description The Electro-V oice EVI-28 full-range loud- speaker is a 250-watt, two-way , high-effi- ciency system featuring a new small-for- mat V ari Intense ® horn and dual 210 mm (8-inch) direct radiators in a compact vented enclosure. The EVI-28 combines patented-V ari Intense ® technology with amplitude-, frequency- and delay-shading techniqu[...]

  • Page 2

    EVI-28 250- W att T wo- W ay Compact V ari Intense ® Speaker System EVI-28 250- W att T wo- W ay Compact V ari Intense ® Speaker System 2 responses were measured in an anechoic environment at 20 feet using one-third-oc- tave pink-noise inputs at 2 degree resolu- tion (over 870,000 data points). The fre- quencies selected are fully representative [...]

  • Page 3

    EVI-28 250- W att T wo- W ay Compact V ari Intense ® Speaker System EVI-28 250- W att T wo- W ay Compact V ari Intense ® Speaker System 3 term average level stresses the speaker thermally (heat). The instantaneous peaks test mechanical reliability (cone and dia- phragm excursion). The sine-wave test sig- nals sometimes used have a much less de- m[...]

  • Page 4

    EVI-28 250- W att T wo- W ay Compact V ari Intense ® Speaker System EVI-28 250- W att T wo- W ay Compact V ari Intense ® Speaker System 4 pended items be inspected at least once a year and any weakened or damaged parts be replaced immediately . The recommended mounting method is the optional U-Bracket hanging kit, EVI-28MB, available in black or [...]

  • Page 5

    EVI-28 250- W att T wo- W ay Compact V ari Intense ® Speaker System EVI-28 250- W att T wo- W ay Compact V ari Intense ® Speaker System 5 Figure 1 — EVI-28 Long-Throw Frequency Response (4 volts/10 feet normalized to 1 watt/ 1 meter , anechoic environment) Figure 2 — Polar Response 5 dB per division HORIZONT AL VER TICAL[...]

  • Page 6

    EVI-28 250- W att T wo- W ay Compact V ari Intense ® Speaker System EVI-28 250- W att T wo- W ay Compact V ari Intense ® Speaker System 6 Figure 5 — EVI-28 Short-Throw Horizontal Beamwidth vs. Frequency (anechoic environment @ 20ft) Figure 3 — EVI-28 Impedance Figure 4 — EVI-28 Distortion at 0.1 Rated Power , 25W (anechoic environment)[...]

  • Page 7

    EVI-28 250- W att T wo- W ay Compact V ari Intense ® Speaker System EVI-28 250- W att T wo- W ay Compact V ari Intense ® Speaker System 7 Figure 8 — EVI-28 Dimensions Figure 6 — EVI-28 Long-Throw Horizontal and V e rtical Beamwidth vs. Frequency (anechoic environment @ 20ft) Figure 7 — EVI-28 Directivity vs. Frequency (anechoic environment [...]

  • Page 8

    EVI-28 250- W att T wo- W ay Compact V ari Intense ® Speaker System EVI-28 250- W att T wo- W ay Compact V ari Intense ® Speaker System 8 SPEAKERS - Full-Range Part Number 534622 — 9812 600 Cecil Street, Buchanan, MI 49107 800/234-6831, 616/695-6831, 616/695-1304 Fax ©T elex Communications, Inc., 1998 • Litho in U.S.A. Specifications Axial F[...]