Instruction/ maintenance manual of the product EVI-28 Electro-Voice
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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.
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).
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).
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 .
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/1.
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.
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.
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.
An important point after buying a device Electro-Voice EVI-28 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Electro-Voice EVI-28 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Electro-Voice EVI-28 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Electro-Voice EVI-28 you will learn all the available features of the product, as well as information on its operation. The information that you get Electro-Voice EVI-28 will certainly help you make a decision on the purchase.
If you already are a holder of Electro-Voice EVI-28, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Electro-Voice EVI-28.
However, one of the most important roles played by the user manual is to help in solving problems with Electro-Voice EVI-28. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Electro-Voice EVI-28 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center