SX80B TELEX COMMUNICATIONS, SX80B Datasheet

AUDIO VISUAL,TYPES SX100+ AND SX80 2-WAY PORTABLE SPEAKER SYSTEMS,AUDIO VISUAL,AUDIO VISUAL (AUDIO VIDEO),AUDIO EQUIPMENT,TYPES SX100+ AND SX80 2-WAY PORTABLE SPEAKER SYSTEMS ,TELEX COMMUNICATIONS

SX80B

Manufacturer Part Number
SX80B
Description
AUDIO VISUAL,TYPES SX100+ AND SX80 2-WAY PORTABLE SPEAKER SYSTEMS,AUDIO VISUAL,AUDIO VISUAL (AUDIO VIDEO),AUDIO EQUIPMENT,TYPES SX100+ AND SX80 2-WAY PORTABLE SPEAKER SYSTEMS ,TELEX COMMUNICATIONS
Manufacturer
TELEX COMMUNICATIONS
Datasheet
Description
The Electro-Voice Sx80 is a compact, two-
way, high-efficiency, constant-directivity
speaker system for sound reinforcement and
monitoring. The small size, high sensitivity
and high power-handling capacity of
the Sx80 make it an excellent choice for use
in studios, clubs, bars, theaters or other
applications.
Through extensive use of computer-aided
design and modeling, Electro-Voice engi-
neers have developed a state-of-the-art pro-
fessional loudspeaker system.
The high-frequency section of the Sx80 uti-
lizes a molded-in 90° x 65° constant-direc-
tivity horn. This unique pattern contributes
to high intelligibility and aims the speakers
output where it is most useful. Vocals sound
natural yet "cut through" in reverberant,
noisy rooms. In addition, the coverage pat-
tern is unusually uniform over it range of
operation. The horn's unique, VariPath
throat geometry helps direct driver output to
the corners of the room, to points of cover-
age not described in the usual specifications
of horizontal and vertical coverage angles,
and to parts of the audience that typically do
not receive the strongest coverage.
TM
One of the many other unique features of the
Sx80 is the cabinet. Constructed of high-
impact polystyrene it provides a stiff and
extremely durable enclosure. The cabinet
includes threaded inserts for the optional
Sx80MB U-bracket. It also has inserts for
installing with an OmniMount® Series 75
mounting system.
The Sx80’s high-frequency horn is driven by
the DH2005 one-inch throat, wide-band-
width, titanium-diaphragm driver. This
driver uses a unique, convex-drive Time
Path™ phasing plug structure (U.S. Patent
#4,525,604) for smooth and extended high-
frequency performance. The voice coil is
coupled to the diaphragm with EV’s exclu-
sive Resonant Drive™ Technology. This in-
creases and smooths the high-frequency re-
sponse and reduces the amount of internal
equalization required for flat frequency re-
sponse, which extends to 20,000 Hz.
A self-resetting high-frequency protection
circuit, EV’s PRO™ circuit, is included with
the Sx80 to prevent against accidental over-
drive and improve system reliability. If the
input power to the high-frequency driver
exceeds the nominal rating, the protection
circuit is activated and reduces the power
Sx80
175-Watt Two-Way
Speaker System
• 8-inch woofer and DH2005 compres-
• Constant-directivity 90° x 65° high-
• Ring-Mode Decoupling (RMD
• 175-watt long-term rms power
• Molded-in attachment points allow for
• Available in paintable black (Sx80B) or
delivered to the driver by 6 dB. The system
will remain in this mode of operation until
the input power is reduced to a safe level.
The low-frequency section of the Sx80 is a
203-mm (8-in.) direct radiating woofer in-
stalled in an optimally-vented enclosure.
This results in exceptionally extended bass
response and high efficiency in a very small
cabinet.
Ring-Mode Decoupling (RMD
Technology
The Sx80 controls both acoustical and me-
chanical ring modes to provide dramatically
increased intelligibility, using techniques
learned from the development of the
Electro-Voice X-array™ concert speakers.
There is much less coloration of the sound
from resonating sources, leaving only the in-
tended sound to be heard by the audience.
High-Frequency Protection Circuit
The Sx80 crossover includes the Electro-
Voice automatically resetting PRO™ circuit
for high-frequency driver protection. This
circuit permits short-term transients to pass,
but protects the tweeter from long-term
power extremes that would normally destroy
the tweeter.
sion driver for great sound and
reliable performance
frequency horn with VariPath
geometry for uniform coverage
increased intelligibility
capacity
use with brackets
white (Sx80W)
)
) for

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SX80B Summary of contents

Page 1

... Molded-in attachment points allow for use with brackets • Available in paintable black (Sx80B) or white (Sx80W) delivered to the driver by 6 dB. The system will remain in this mode of operation until the input power is reduced to a safe level. ...

Page 2

Sx80 175-Watt T wo-Way Speaker System Enclosure Construction The Sx80 enclosure is contructed of very- durable High-impact polystyrene that is hard to dent, scratch, or break. This enclosure allows for molded in attachment points for the optional Sx80MB mounting bracket ...

Page 3

... The loudspeaker system shall be the Elec- tro-Voice Sx80B (black) or Sx80W (white). Uniform Limited Warranty Electro-Voice products are guaranteed against malfunction due to defects in mate- rials or workmanship for a specified period, ...

Page 4

Sx80 175-Watt T wo-Way Speaker System of a bill of sale or receipted invoice. Incidental and Consequential Damages Excluded: Product repair or replacement and return to the customer are the only remedies provided to the customer. Electro-Voice shall not be ...

Page 5

Sx80 175-Watt T wo-Way Speaker System Figure 2— Sx80 One-Third-Octave Polar Responses (full space anechoic environment, 4 volts/6.10 meters (20 feet) Figure 3 Sx80 Beamwidth vs. Frequency (full-space anechoic environment per division HORIZONTAL VERTICAL ...

Page 6

Sx80 175-Watt T wo-Way Speaker System Figure 4— Sx80 Directivity vs. Frequency (full-space anechoic environment) Figure 5—Sx80 Harmonic Distortion Response 10% Rated Power Input (17.5 watts), (full-space anechoic environ- ment, 3.05 meters (10 feet) on axis) Figure 6— Sx80 Impedance ...

Page 7

Sx80 175-Watt T wo-Way Speaker System Figure 7— Sx80 Dimensions and Inserts Figure 8— Sx80 enclosure with Sx80MB wall/ceiling mounting bracket. 7 ...

Page 8

... Hz Crossover Slope per octave Impedance, Nominal: 8 ohms 12000 Portland Ave. South, Burnsville, MN 55337 952/884-4051 Phone, 952/884-0043 Fax ©Telex Communications, Inc., 1998 • Litho in U.S.A. Minimum: 7.2 ohms Input Connections, Sx80: Push-pins Driver Protection, High Frequency: Solid-state self-resetting circuit (PROJ circuit) drops output 6 dB; blocking ...

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