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SRM Series
SRM450

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PRODUCT SPOTLIGHT

Round out your SRM450 with this Mackie product:


Onyx 1620

16-Channel Analog Mixer w/ FireWire I/O Option


ARTIST SPOTLIGHT

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SRM450 Specifications

System
Input Type Balanced Differential
Input Impedance Line: 20k ohms
Input Protection RFI and level protected
Sensitivity Line: +4 dBu
(center detent)
Mic: -36 dBu
Maximum Input Level Line: +22 dBu
Low-Cut Frequency 75Hz, Second-order filter
Acoustic Contour Equalization Peaking:
+3 dB @ 100Hz
+3 dB @ 12kHz
Enclosure Alignment Sixth-Order
Over-Excursion Protection Second-Order
High-Pass Filter
Thermal Protection Amplifier shutdown, auto reset
Low-Line Voltage Shut Down 60% Nominal line
Frequency Range (-10 dB) 45Hz - 20KHz
Frequency Response (±3 dB) 55Hz - 18kHz
Maximum Peak SPL @ 1m 127 dB
Low-Freq Crossover 24 dB/octave, time offset corrected
High-Freq Crossover 24 dB/octave
Crossover Frequency 1.6kHz
Driver Protection Independent LF and HF compressors
Low-Freq Roll-Off Dynamic-signal level dependent
Accessory Interface ±15V DC, normalized signal I/O
Operating Temperature Range -10°C to 45° C
(14°F to 113°F)

Transducer
Low-Frequency Transducer:
Diameter 300mm (12")
Power Handling 450 watts RMS
Frequency Range 45Hz - 3kHz
Hi-Frequency Driver and Horn:
Diaphragm Diameter 44mm (1.75")
Exit Throat Diameter 25mm (1")
Diaphragm Material Titanium
Sensitivity (1W@1m) 106 dB
Power Handling 100 watts RMS
Frequency Range 1kHz - 20kHz
Horn Type Composite: Exponential and Conical
Mouth Size 305mm (12") W x 178mm (7") H
 
Horn Coverage :
Horizontal Coverage 90°
Vertical Coverage 45°


Power Amplifier and System
Low-Frequency Power Amplifier:
Rated Power 300 watts RMS
Rated THD < 0.1%
Cooling Convection Extrusion
Design Class G, Parametric Servo Feedback
High-frequency amplifier:
Rated Power 100 watts @ High-Frequency Driver Impedance
Rated THD < 0.1%
Cooling Convection Extrusion
Design Conventional Class AB

Line Input Power
US 120V, 60Hz
Europe 230V, 50Hz
Japan 100V, 50/60Hz

Physical Properties
Height 660mm (26")
Width 390mm (15.4")
Depth 376mm (14.8")
Weight 23.2kg (51 lbs.)
Enclosure Geometry Asymmetrical Trapezoidal
Mounting Methods Integrated mounting points, M10
Since we're always striving to make our stuff better by incorporating new and improved materials, components and manufacturing methods, we reserve the right to change these specifications at any time without notice.

SRM450 Dimensions


 

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