Specifications - Mackie SRM450v2 Owner's Manual

SRM450v2 SPECIFICATIONS
System Specifications
Frequency Response (–3 dB)
Frequency Range (–10 dB)
Directivity Factor; Q (DI) 9.95 (9.98), averaged 2 kHz to 10 kHz
Max SPL Long-term @ 1m
Max SPL Peak @ 1m
Crossover
Audio
Input Type
Input Impedance
Input Protection
Sensitivity
Line:
Mic:
Maximum Input Level +22 dBu
Low-Cut Frequency
Acoustic Contour Equalization
Peaking:
Operating Temperature Range
–10ºC to 45ºC (14ºF to 113ºF)
Power Amplifiers
Low-Frequency Power Amplifier
Rated Power
Rated THD
Cooling
Design Class D, Parametric Servo Feedback
High-Frequency Power Amplifier
Rated Power
Rated THD
Cooling
Design
*Rated power is continuous rms wattage into transducer's rated impedance @ 5 kHz
for the HF amplifier and @ 500 Hz for the LF amplifier.
Transducers
Low-Frequency Transducer
Diameter
Voice Coil Diameter
Sensitivity (1W@1m) 98 dB
Nominal Impedance
Power Handling
Frequency Range
High-Frequency Transducer
Diaphragm Diameter 1.75 in/44.5 mm
Diaphragm Material
Sensitivity (1W@1m) 106 dB
Nominal Impedance
Power Handling
Frequency Range
Horn Design
Type
Mouth Size
Throat Diameter
Horizontal Coverage
Vertical Coverage
55 Hz – 18 kHz
45 Hz – 20 kHz
124 dB
127 dB
Linkwitz-Riley,
24 dB/octave @ 1600 Hz
Balanced Differential
20 kohms
RFI and level protected
+4 dBu (center detent)
–36 dBu
75 Hz, Second-order filter
+3 dB @ 100 Hz,
+3 dB @ 12 kHz
300 watts*
< 0.1%
Convection Extrusion
100 watts*
< 0.1%
Convection Extrusion
Conventional Class AB
12 in / 300 mm
3.0 in / 75 mm
8 ohms
600 watts, program
45 Hz – 3 kHz
Heat treated titanium
8 ohms
100 watts, program
1 kHz – 20 kHz
Conical and Exponential
12 in/304.8 mm (W) x 7 in/177.8 mm (H)
1 in/25.4 mm
90º (1 kHz–20 kHz)
45º (2.8 kHz–20 kHz)
Line Input Power
US
Recommended amperage service 2.5 amps
Europe
Recommended amperage service 1.25 amps
Japan
Recommended amperage service 3.0 amps
AC Connector
Control System Function
Electronic Crossover
Phase Alignment
Equalization
Parametric Equalization
Safety Features
Over-Excursion Protection
Second-Order High-Pass Filter
Thermal Protection
Low-Line Voltage Shut Down
Driver Protection
Low-Freq Roll-Off
Construction Features
Basic Design Asymmetrical Trapezoidal
Enclosure Alignment
Material Polypropylene
Finish Black textured finish
Handles One on each side, one on top
Mounting Methods
Integrated mounting points, M10
Two each located on each side, top, bottom, and
rear of enclosure
Grille Perforated metal with weather-resistant coating
Display LEDs Signal Present, Peak, Power ON, and Thermal
Physical Properties
Height 26.0 in / 660 mm
Width 15.4 in / 390 mm
Depth 14.8 in / 376 mm
Weight 40 lb / 18 kg
Options
PA-A1 forged shoulder eyebolt hardware (M10 x 1.5 mm x 20 mm)
SPM200 (Speaker Pole Mount)
Disclaimer
Since we are always striving to make our products better by incor-
porating new and improved materials, components, and manufacturing
methods, we reserve the right to change these specifications at any time
without notice.
"Mackie.," the "Running Man" figure, and "FR Series" are registered
trademarks of LOUD Technologies Inc.
All other brand names mentioned are trademarks or registered
trademarks of their respective holders, and are hereby acknowledged.
©2003-2011 LOUD Technologies Inc.
All Rights Reserved.
120 VAC, 60Hz
230 VAC, 50Hz
100 VAC, 50/60Hz
3-pin IEC 250 VAC
Amplifier shutdown, auto-reset
60% Nominal line
Independent LF and HF compressors
Dynamic, signal-level dependent
Sixth-Order
17