SRM450
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Active Speaker System
Active Speaker System
SRM450
SPEAKER
SRM450
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Mackie Designs continually engages in research related to product improvement. New material, produc-
tion methods, and design renements are introduced into existing products without notice as a routine
expression of that philosophy. For this reason, any current Mackie product may differ in some respect
from its published description, but will always equal or exceed the original design specications unless
otherwise stated. ©1999-2003 Mackie Designs Inc. All rights Reserved. Mackie and the “Running Man”
gure are registered trademarks of Mackie Designs Inc.
Part No. 091-221-00 Rev. A 4/03
www.mackie.com
16220 Wood-Red Road NE, Woodinville, WA 98072 USA
888.337.7404, fax 425.487.4337, sales@mackie.com
UK +44.1268.571.212, fax +44.1268.570.809, uk@mackie.com
ITALY +39.0522.354.111, fax +39.0522.926.208, italy@mackie.com
FRANCE +33.3.85.46.91.60, fax +33.3.85.46.91.61, france@mackie.com
GERMANY +49.2572.96042.0, fax +49.2572.96042.10, germany@mackie.com
Active 2-Way Sound
Reinforcement Speaker System
SRM450
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SRM450
SPEAKER
SRM450 Input Panel
14.8 in/376 mm
26.0 in/660 mm
14.8 in/376 mm
15.4 in/390 mm
15.4 in/390 mm
120 VAC 60HZ 320W
TIMED TURNOFF
POWER
SIGNAL PRESENT
CONTOUR LOW CUTON
MICLINE
LEVEL
(+4dBu)
NORMAL
+40dB
INPUTTHRU
75Hz12k/AIR100Hz
OO
PARALLEL
MACKIE DESIGNS INC • WOODINVILLE • WA • USA •
MADE IN USA
ON
OFF
+3dB
THERMAL PEAK
ACTIVE SOUND REINFORCEMENT MONITOR SYSTEM
SRM450 Dimensions
Frequency (Hz)
Directivity Factor (Q)
Directivity Index (DI), dB
20
0
10
20
1
10
100
100 1000 10000 20000
SRM450 Directivity Index
Frequency (Hz)
Vert BW
Horz BW
–6 dB Beamwidth (degrees)
20
0
60
120
180
240
300
360
100 1000 10000 20000
SRM450 Beamwidth vs. Frequency
SRM450 Frequency Response On-Axis
Frequency (Hz)
SPL, 100 dB @ 1kHz (ref.)
20
70
80
90
100
110
100 1000 10000 20000
