Electro-Voice EVI-28 manual Low-Frequency 3-dB-Down Point

EVI-28 250-Watt Two-Way Compact Vari Intense® Speaker System

EVI-28 250-Watt Two-Way Compact Vari Intense® Speaker System

Specifications

Axial Frequency Response, Swept Sine Wave, 4 volts at 3.05 meters (10 feet), anechoic environment, normalized for 1 watt at 1 meter; see Figure 1:

62-25,000Hz

Low-Frequency 3-dB-Down Point:

62 Hz

Usable Low-Frequency Limit (10-dB-Down Point):

50 Hz

Half-Space Reference Efficiency:

1.1%

Power Handling Capacity (see Power-Han- dling Capacity Section):

250 watts, long-term continuous (8-hour)

350 watts, short-term continuous (2-hour)

1400 watts, peak power

Maximum Woofer Acoustic Output:

3.8 watts

Sensitivity (SPL at 1 watt, 1 meter input, anechoic environment, swept sine wave, 62- 25,000Hz):

93 dB

Maximum Output (SPL at rated power, in- cluding any power compression due to nonlinearities in the system):

116 dB SPL, long-term continuous

117.5dB SPL, short-term continuous

123.5dB SPL, short-term peak

Dispersion Angle Included by 6-dB-Down Points on Polar Responses, Indicated One- Third-Octave Bands of Pink Noise (see Fig- ures 5 and 6):

800-20,000 Hz, Short-Throw Horizontal:

110 degrees +/-20 degrees

1,000-20,000 Hz, Long-Throw Horizontal:

65 degrees +/-20 degrees

600-20,000 Hz, Vertical:

65 degrees +/-20 degrees

Directivity Factor, Rθ(Q) 1,600 - 20,000 Hz average (see Figure 7):

11.7 (+3.5,-3.8)

Recommended Operational Vertical Angle (see Figure 4):

-5 degrees to -45 degrees

Distortion, 0.1 Full Power Input (see Fig- ure 4), Second Harmonic,

100 Hz:

-49 dB, 0.35%

1000 Hz:

-51 dB, 0.3%

10,000 Hz:

-27 dB, 4.5%

Third Harmonic,

100 Hz:

-50 dB, 0.3%

1000 Hz:

-58 dB, 0.1%

10,000 Hz:

-44 dB, 0.6%

Transducer Complement,

Low Frequency:

Dual 8-inch high-efficiency, high- power woofers

High Frequency:

DH2010A driver

Box-Tuning Frequency:

67 Hz

Crossover Specifications, Full-range, Crossover Frequency:

2,000 Hz

Crossover Slope,

Low Pass:

12 dB per octave with frequency, de- lay and amplitude shading

High Pass:

12 dB per octave

Impedance (see Figure 3):

Nominal:

8ohms

Minimum:

6.2 ohms (225 Hz)

Input Connections:

Large shielded screw terminals for up to 10 gauge wire

Driver Protection, High Frequency:

Solid-state self-resetting circuit (PROTM circuit) drops output 6 dB

Enclosure:

Direct-radiating vented LF, built of 12 mm (0.5-inch) 9-ply and 18 mm (0.71-inch) 13-ply birch plywood with appropriate bracing, lined with flame-retardant cotton batting

Enclosure Colors:

Black or white with black or white pow der-coated perforated-metal grille

Dimensions (see Figure 8):

Height:

353 mm (13.9 inch)

Width:

496 mm (19.5 inch)

Depth:

523 mm (20.6 inch)

Net Weight:

16.3kg (36 lb)

Shipping Weight:

21.8kg (48 lb)

Accessories:

Electro-Voice EVI-28MB-BK black U-Bracket suspension kit Electro-Voice EVI-28MB-WH white U-Bracket suspension kit

Attachment Points:

Two 3/8”-16 hanging points included

600 Cecil Street, Buchanan, MI 49107

800/234-6831, 616/695-6831, 616/695-1304 Fax

SPEAKERS - Full-Range ©Telex Communications, Inc., 1998 • Litho in U.S.A. Part Number 534622 — 9812

8