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Sx80t two-way speaker system with transformer – Electro-Voice SX80T User Manual

Page 8

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Sx80T T

w

o

-W

ay Speaker System W

ith T

ransformer

Sx80T Two-Way Speaker System With Transformer

8

SPEAKER - Two-Way w/Transformer

Part Number 535143 — Rev B

12000 Portland Avenue South, Burnsville MN 55337

952/884-4051, 952/884-0043 Fax

©Telex Communications, Inc., 1999 • Litho in U.S.A.

Specifications

Typical Axial Frequency Response,
Swept Sine Wave, 4 volts at 3.05
meters (10 feet), (half-space, normal-
ized for 1 watt at 1 meter; see Figure
1):

65-20,000 Hz

Low-Frequency 3-dB-Down Point:

65 Hz

Usable Low-Frequency Limit
(10-dB-down point):

51 Hz

Half Space Reference Efficiency:

1.2 %

Long-Term Average Power-Handling
Capacity per EIA Standard RS-426-A
1980 (see Power-Handling Capacity
section):

2-60 watts, selectable in 3 dB steps
(transformer-limited)

Maximum Woofer Acoustic Output:

2.1 watts

Sensitivity (SPL at 1 watt, 1 meter
input, half-space, swept sine wave):

92 dB

Nominal Coverage Angle,

Horizontal: 90°
Vertical: 65°

Dispersion Angle Included by
6-dB-Down Points on Polar Re-
sponses, Indicated One-Third-Octave
Bands of Pink Noise (see Figure 3),

2,000-20,000 Hz, Horizontal:

90° (+34°, -27°)

2,000-20,000 Hz, Vertical:

65° (+31°, -4°)

Directivity Factor R

Θ

(Q), 800- to

16,000-Hz Median (see Figure 4):

8.3 (+5.7, -4.9)

Directivity Index D

i

, 800- to 16,000-Hz

Median (see Figure 4):

9.2 dB (+2.3 dB, -3.9 dB)

Distortion, 0.1 Full Power Input, (see
Figure 5)

Second Harmonic,

100 Hz:

-21 dB, 9.0%

1,000 Hz:

-55 dB, 0.2%

10,000 Hz:

-25 dB, 5.6%

Third Harmonic,

100 Hz:

-26 dB, 4.9%

1,000 Hz:

-41 dB, 0.9%

10,000 Hz:

-47 dB, 0.5%

Transducer Complement,

High Frequency:

DH2005 driver

Low-Frequency:

203-mm (8-in.) woofer

Box Tuning Frequency:

70 Hz

Crossover Frequency:

2,200 Hz

Crossover Slope,

12 dB per octave

Impedance:

Power

Impedance

Tap

100-volt

70-volt

60 W

167

83

30 W

333

167

15 W

667

333

7.5 W

1,350

667

3.8 W

2,700

1,350

1.9 W

5,400

2,700

Input Connections,

Sx80T:

Barrier Strip with Cover

Driver Protection, High Frequency:

Solid-state self-resetting circuit (PROJ
circuit) drops output 6 dB; blocking
capacitor with 800-Hz corner fre
quency and 6-dB-per-octave slope

Materials,

Enclosure:

Injection-molded high-impact
polystyrene, black or white

Grille:

Perforated metal grille matches
enclosure color

Dimensions (see Figure 6)

Height:

400 mm (15.75 in.)

Width:

292 mm (11.49 in.)

Depth:

240 mm (9.45 in.)

Net Weight:

9.3 kg (20.5 lb)

Shipping Weight:

11.1 kg (24.5 lb)

Optional Accessories:

Sx80MB installation kit, black or white

Attachment Points:

Seven M6 and four M5 metric inserts
(see Figures 6, 7, and Suspending
Sx80T Enclosures section)