Sx500+ 400-
W
att T
w
o
-W
ay Speaker System
Sx500+ 400-Watt Two-Way Speaker System
8
SPEAKERS – Portables
Part Number 535397 — rev.9851
600 Cecil Street, Buchanan, MI 49107
616/695-6831, 616/695-1304 Fax
© Telex Communications, Inc., 1998 • Litho in U.S.A.
Specifications
Typical Axial Frequency Response,
Swept Sine Wave, 4 volts at 3.05
meters (10 feet), (anechoic environ-
ment, normalized for 1 watt at 1
meter; see Figure 1):
60-16,000 Hz
Low-Frequency (3-dB-Down Point):
60 Hz
Usable Low-Frequency Limit (10-dB-
down point):
43 Hz
Half Space Reference Efficiency:
4.4%
Long-Term Average Power-Handling
Capacity per EIA Standard RS-426-A
1980 (see Power-Handling Capacity
section):
400 watts
Maximum Woofer Acoustic Output:
17.6 watts
Sensitivity (SPL at 1 watt, 1 meter
input, anechoic environment, swept
sine wave):
100 dB
Nominal Coverage Angle,
Horizontal: 75°
Vertical: 60°
Dispersion Angle Included by 6-dB-
Down Points on Polar Responses,
Indicated One-Third-Octave Bands of
Pink Noise (see Figure 3),
2,000-20,000 Hz, Horizontal:
75° (+14°, –20°)
2,000-20,000 Hz, Vertical:
60° (+11°, –8°)
Directivity Factor R
(Q), 800- to
16,000-Hz Median (see Figure 4):
11.8 (+0.8, –2.6)
Directivity Index D
i
, 800- to 16,000-Hz
Median (see Figure 4):
15.2 dB (+3.0 dB, –6.9 dB)
Distortion, 0.1 Full Power Input (see
Figure 5), Second Harmonic,
100 Hz:
–33 dB, 2.2%
1,000 Hz:
–44 dB, 0.6%
10,000 Hz:
–17 dB, 14%
Third Harmonic,
100 Hz:
–41 dB, 0.9%
1,000 Hz:
–62 dB, 0.1%
10,000 Hz:
–34 dB, 2.1%
Transducer Complement,
Low Frequency:
DL15SX woofer
High Frequency:
DH2T driver
Box-Tuning Frequency:
44 Hz
Crossover specifications, Full-range
mode,
Crossover Frequency:
1,600 Hz
Crossover Slope,
Low Pass:
18 dB per octave
High Pass:
12 dB per octave
Biamp Mode,
Recommended Crossover Fre-
quency:
1,600 Hz
Crossover Slopes,
Recommended:
24 dB per octave
Minimum:
18 dB per octave
Impedance, Full-Range Mode,
Nominal:
8 ohms
Minimum:
5.2 ohms
Biamp Mode,
Nominal (low frequency/high
frequency):
8 ohms/8 ohms
Minimum (low frequency/high
frequency):
4.9 ohms/7.9 ohms
Input Connections,
Two parallel Neutrik Speakon
®
NL4MP connectors with the following
pin arrangements,
Full-Range Mode:
1– = IN (–)
1+ = IN (+)
2– = Not Used
2+ = Not Used
Biamp Mode:
1– = LF (–)
1+ = LF (+)
2– = HF (–)
2+ = HF (+)
Driver Protection, High Frequency:
Solid-state self-resetting circuit
(PRO™ circuit) drops output 6 dB;
blocking capacitor with 800-Hz
corner frequency and 6-dB-per-octave
slope
Enclosure Materials and Colors:
Polypropylene structural foam; black
perforated-metal grille
Dimensions (see Figure 4),
Height:
838 mm (33.0 in.)
Width:
673 mm (26.5 in.)
Depth:
448 mm (17.63 in.)
Net Weight:
31.3 kg (69 lb)
Shipping Weight:
35.0 kg (77 lb)
Optional Accessories:
100BK mounting stand
Mb500 wall/ceiling mounting bracket
Mb600 horizontal array kit
Mb700 forged eyebolt attachment kit
VPC500 protective cover
PD500 padded protective case
Attachment Points:
Eight metric inserts (M8 x 1.25) (see
Figure 7 and Suspending Sx500
Enclosures section)
