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SRM150 SPECIFICATIONS
Transducer
Diameter 5.25 in/134 mm
Voice Coil Diameter 1.0 in/25.4 mm
Sensitivity (1W@1m) 90 dB
Nominal Impedance 8 ohms
Power Handling 150 watts
Frequency Range 90 Hz – 20 kHz
Magnet Type Neodymium
Safety Features
Overload Protection Limiter
Thermal Protection Amplifier shutdown, auto-reset
Construction Features
Material Polypropylene
Finish Grey textured finish
Handle Top mounted
Grille Perforated metal with weather-
resistant coating
Physical Properties
Height 8.0 in/20.3 cm
Width 11.2 in/28.4 cm
Depth 6.8 in/17.3 cm
Weight 7.6 lb/3.4 kg
Mounting Methods Mic stand mountable via the built-in
socket on the bottom of the cabinet
with the supplied adapter.
AC Power Requirements
100 VAC – 240 VAC, 50/60 Hz, 35 VA
AC Connector 3-pin IEC 250 VAC
Disclaimer
Since we are always striving to make our products better by
incorporating new and improved materials, components, and manu-
facturing methods, we reserve the right to change these specifica-
tions at any time without notice.
“Mackie.” and the “Running Man” figure are registered trade-
marks of LOUD Technologies Inc.
All other brand names mentioned are trademarks or registered
trademarks of their respective holders, and are hereby acknowl-
edged.
©2006-2010 LOUD Technologies Inc.
All Rights Reserved.
System Specifications
Frequency Response (–3 dB) 100 Hz – 17.5 kHz
Frequency Range (–10 dB) 60 Hz – 22 kHz
Max SPL Long-term @ 1m 110 dB
Max SPL Peak @ 1m 120 dB
Mixer Section
Frequency Response (–3 dB)
Mic Input to Line Out (Gain at 0 dB)
5 Hz – 40 kHz (+0, –1 dB)
Input Impedance
Mic 3 kohm balanced
Hi-Z 20 kohm balanced
Instrument 1 Mohm
Line 10 kohm balanced
Stereo 10 kohm balanced
Maximum Voltage Gain
Mic Input 1 51 dB
Mic Input 2 51 dB
Stereo Input 9 dB
Maximum Input Level
Mic –28 dBu, gain at +50 dB
+15 dBu, gain at +6 dB
Line –8 dBu, gain at +30 dB
+35 dBu, gain at –15 dB
Stereo +20 dBu, gain at 0 dB
3-Band Equalization
High ±15 dB @ 12 kHz
Mid ±15 dB @ 2.5 kHz
Low ±15 dB @ 100 Hz
Line Out Pad –30 dB
Common Mode Rejection Ratio (CMRR)
55 dB @ 1 kHz, gain at unity
Noise (20 Hz to 20 kHz BW, 150 ohm source impedance)
Equivalent Input Noise (EIN)
–129 dBu
Residual Output Noise
(Line out, channel and master levels off)
–85 dBu
Power Amplifier
Rated Power 100 watts rms continuous,
20 Hz to 20 kHz
Maximum Power 150 watts peak
Rated THD 0.05%
Cooling Convection Extrusion
Design Class D
R