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Atlas Sound Speaker System SD-370A manual

Brand: Atlas Sound, product: Atlas Sound Speaker System SD-370A

Type: Speaker System

Total pages: 2, PDF manual size: 0.13 Mb


1601 JACK MCKAY BLVD. / ENNIS, TEXAS 75119 U.S.A.
TELEPHONE: (800) 876-3333 / FAX (800) 765-3435
AtlasSound.com
Specifications subject to change without notice
343
SEVEN
Specifications subject to change without notice
© 2006 Atlas Sound LP Printed in U.S.A. ATS002453 RevA 8/06 SL7-1546
Specifications subject to change without noticeSpecifications subject to change without noticeSpecifications subject to change without notice
SPECIFICATIONS
POWER IMPEDANCE PLANE WAVE LOW FREQ. LIMIT SOUND
MODEL RATING FREQ. RESPONSE @ FULL POWER LEVEL*** DIMENSIONS WEIGHT
SD-70 58 Watts* 11 Ohms 100 - 2,900Hz 200Hz 115.8 (avg) 4
3
8
" Dia. x 3
9
16
" H 5 lbs.
(nominal) (±5dB) 80-2,900Hz (±5dB) (111 x 90mm) (2.3kg)
SD-370A 100 Watts** 11 Ohms 100 - 2,500Hz 200Hz 117 (avg) 4
5
8
" Dia. x 3
1
16
" H 7.7 lbs.
(nominal) (±5dB) 100-2,500Hz (±5dB) (118 x 102mm) 3.5kg)
COMPRESSION DRIVERS
FOR ELECTRONIC SIREN LOUDSPEAKERS
SD-70
SD-370A
FEATURES
• Choice of 58 or 100 Watt Power Handling for High Intelligibility and
Sound Penetration
• Heavy-Duty Weatherproof Construction
• Specifically-Designed for Electronic Siren and Signaling applications
Accommodates Most Horns and Reflex Horns with Standard
1
3
8" – 18 Thread Pattern
APPLICATIONS
Depend on SD Series compression drivers for elec tron ic siren and
signaling needs on emergency and law enforcement vehicles, as well
as for use in stationary and mobile public address systems. Models
SD-70 and the patented SD-370A (U.S. Patent #7,760,501) provide
maximum power conversion with low-amplifier output to fulfill high-
intelligibility and sound-penetration requirements. Model SD-70, rated
at 58 Watts RMS, is recommended for medium-power systems such
as commercial and industrial warning systems. Model SD-370A, rated
at 100 Watts RMS, is recommended for high-power systems in public
safety, civil authority, military, or emergency medical applications.
Either unit can be used with most horns or reflex horns equipped with
the industry standard 1
3
8" – 18 thread pattern.
GENERAL DESCRIPTION
SD Series 58 and 100 Watt compression drivers are standard
components of the Atlas Sound electronic siren loudspeaker
assemblies. Weatherproof units are ideal for use in police, fire,
ambulance, and utility vehicles. Model SD-70 is recommended for
medium-powered systems; SD-370A for high-powered systems.
Drivers are equipped with a non-fatiguing, self-aligning sound chamber
assembly containing a 2
3
4" phenolic diaphragm with a nominal
impedance of 11 Ohms. Replacement head assembly, Model K-70GB
is available for field replacement of Model SD-70; Model K-370A for
SD-370A. Product series is suitable for use with matched amplifier
and control equipment in systems requiring AMECA (Automotive
Manufacturer Equipment Compliance Agency, Inc.) certification to
General Services Administration spec i fi ca tions (KKK-A-1822C). The
SD-370A is constructed using an ALNICO magnet.
SD-70
* 25V into 11 Ohms = 58 Watts ** 33V into 11 Ohms = 100 Watts *** Measured on a plane wave tube at 1mW
SD-370A

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