EAW DSA250 User Manual

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Eastern Acoustic Works One Main Street Whitinsville, MA 01588 tel 800 992 5013 / 508 234 6158 fax 508 234 8251 www.eaw.com
EAW products are continually improved. All specifications are therefore subject to change without notice. Part Number: RD0112 (C) DSA250 SPEC January 2004
DSA250 Specifications group · D
Features
2-Way, full-range loudspeaker for voice and music applications
Vertical coverage pattern adjustable to fit the audience area
Integral signal processing and amplification
Built-in electronic driver protection
Wall Mounting hardware included
Description
The DSA250 is a unique, column-type loudspeaker for full-range
FGM (foreground music) and voice applications. It also functions
with additional DSA Series loudspeakers to provide increased
performance. For example, a DSA250 used with the DSA230
extends directivity to and increases the output at lower frequencies.
The DSA250 has the remarkable versatility of a user-adjustable,
vertical beamwidth. This is made possible because each transducer
has its own DSP (digital signal processing) and power amplifier.
Built-in networking provides for remote PC operation and control.
Intended to be flat-mounted to a wall, the user directs the DSA250's
output from this position to the desired coverage area using the
supplied DSAPilot software. Pattern asymmetry provides similar
sound levels to both near and far listeners. Each of the two inputs
has user-adjustable EQ, delay, and compression.
DSA loudspeakers are engineered as a solution for applications
with difficult acoustics, physical mounting limitations, precise
vertical coverage requirements, and difficult aesthetic
requirements. They can replace typical horn/woofer or column-type
loudspeakers in small to medium venues. These include houses of
worship, auditoriums, theaters, concert halls, conference rooms,
transportation centers, athletic facilities, classrooms, museums,
shopping malls, and theme parks. The enclosure profile and
appearance reduces architectural impact.
2-WAY FULL-RANGE DIGITALLY STEERABLE ARRAY
See TABULAR DATA notes for details
CONFIGURATION
Subsystem
Transducer Loading
LF 8x 4 in cone Direct radiating
HF 8x 1 in dome Horn loaded
Operating Mode
Amplifier Channels External Signal Proc.
Self-powered 16x high efficiency None
ACOUSTICAL PERFORMANCE
Operating Range 78 Hz to15 kHz
Nominal Beawidth Horz 120°
Vert Digitally variable
ELECTRONIC PERFORMANCE
Analog
Amplifier Output (ea) 28.3 V 50 W @ 16 ohm
Input (Audio A and B):
Configuration Balanced differential
Nominal Sensitivity 0.9 V / 1.25 dBu For full output
Maximum Signal 12.2 V / 24 dBu
Input Routing A + B, A or B, priority B over A
Digital
A to D/ D to A 48 kHz, 24 bit
Processor 32 bit dual SHARC (Super Harvard Architecture Computer)
Propagation Time 4.3 ms
INPUT SIGNAL PROCESSING
Filters
Frequency Boost/Cut Q
Parametric 10 to 24000 Hz +15/-15 dB 0.25 to 64
6 or 12 dB Lo Shelf 10 to 24000 Hz +15/-15 dB
6 or 12 dB Hi Shelf 10 to 24000 Hz +15/-15 dB
HPF and LPF 10 to 24000 Hz 12/18/24 dB/oct L-R, BW, Bessel
Compression
Threshold -40 to +24 dBu
Ratio 1.2:1 to inf:1
Attack (ms) slow (64)/med (16)/fast (2)
Release (ms) slow (256)/med (64)/fast (8)
Gain -60 dB to +10 dB
Mute on/off
Signal Delay 300 ms maximum
Meters
Input -40 to +20 dBu
Output -30 to 0 dB ref 0 dB = full output
Gain Reduction 0 dB to -60 dB (compression)
CONNECTIONS
Computer Network
Standard EIA-485
Optional CobraNet (requires EAW CM-1 Interface Card accessory)
AC Mains
Voltage / Frequency Maximum Current
DSA250 (115 V) 100 to 120 V / 50 to 60 Hz 8 A
DSA250 (230 V) 220 to 240 V / 50 to 60 Hz 4 A
ORDERING DATA
Description Part Number
DSA250 White 115 V 0005480-00
Optional Accessories
CM-1 CobraNet Interface Card 0005987
DSA Fly-Bar Kit 0007445
DSA Enclosure Connecting Kit 0007446
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Summary of Contents

Page 1 - Description

Eastern Acoustic Works One Main Street Whitinsville, MA 01588 tel 800 992 5013 / 508 234 6158 fax 508 234 8251 www.eaw.comEAW products are c

Page 2 - ENCLOSURE

Eastern Acoustic Works One Main Street Whitinsville, MA 01588 tel 800 992 5013 / 508 234 6158 fax 508 234 8251 www.eaw.comEAW products are c

Page 3

Eastern Acoustic Works One Main Street Whitinsville, MA 01588 tel 800 992 5013 / 508 234 6158 fax 508 234 8251 www.eaw.comEAW products are c

Page 4 - SIGNAL DIAGRAM

Eastern Acoustic Works One Main Street Whitinsville, MA 01588 tel 800 992 5013 / 508 234 6158 fax 508 234 8251 www.eaw.comEAW products are c

Page 5 - DSA SERIES PERFORMANCE MATRIX

Eastern Acoustic Works One Main Street Whitinsville, MA 01588 tel 800 992 5013 / 508 234 6158 fax 508 234 8251 www.eaw.comEAW products are c

Page 6 - (brown / blue / green / red)

Eastern Acoustic Works One Main Street Whitinsville, MA 01588 tel 800 992 5013 / 508 234 6158 fax 508 234 8251 www.eaw.comEAW products are c

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