Appendix C: Technical Information - Mackie SRM1850 Owner's Manual

Appendix C: Technical Information

SRM Subwoofer Specifications
Acoustic Performance:
Frequency Response (–3 dB)
Frequency Response (–10 dB)
Max peak SPL
Crossover Point 115 Hz plus alignment delay [SRM550]
115 Hz plus alignment delay [SRM650]
115 Hz plus alignment delay [SRM750]
Slope
Transducer
Woofer Diameter
Voice Coil Diameter
Subwoofer Diaphragm Material
Magnet Material
Power Amplifier
Rated Power
Rated THD
Cooling
Design
Input/Output
Input Type Female XLR balanced
differential (stereo left/right)
Input Impedance 20 k balanced,
10 k unbalanced
Full Range Outputs Male XLR balanced
(parallel with inputs – mono)
High Pass Outputs Male XLR balanced
Line Input Power
US detachable line cord 100 – 120 VAC, 50 – 60 Hz, 200W
EU detachable line cord 200 – 240 VAC, 50 – 60 Hz, 200W
AC Connector 3-pin IEC 250 VAC
Power Supply Type Switchmode
40 Hz – 120 Hz [SRM1850]
34 Hz – 100 Hz [SRM2850]
35 Hz – 150 Hz [SRM1850]
26 Hz – 145 Hz [SRM2850]
132 dB [SRM1850]
135 dB [SRM2850]
60 Hz – 120 Hz [Variable]
3rd order HP, 4th order LP
18 in / 457 mm
3.0 in / 76 mm
Paper
Ferrite
800 watts rms
1600 watts peak
< 1%
Convection
Class D
Safety Features
Input Protection Peak and RMS limiting,
power supply and amplifier
thermal protection
Display LEDs Defeatable front power ON
(Running Man logo), Front load
power limiter, High Pass Mode,
input signal
Construction Features
Cabinet 18 mm Poplar plywood
Finish High durability black paint
Handles One on each side [SRM1850]
Two on each side [SRM2850]
Grille Powder-coated 16 gauge steel
Physical Properties
SRM1850:
Height
Width
Depth
Weight
SRM2850:
Height
Width
Depth (without casters)
Depth (with casters)
Weight
Mounting Methods
SRM subwoofers are designed to sit on the floor or stage.
They are NOT designed to be pole-mounted or suspended.
The cabinet has no rigging points and is not suitable for rigging.
Never attempt to suspend an SRM subwoofer by its handles.
Options
SRM1850 Cover
SRM2850 Cover
SPM200 Loudspeaker Pole Mount
Disclaimer
Since we are always striving to make our products better by
incorporating new and improved materials, components, and
manufacturing methods, we reserve the right to change these
specifications at any time without notice.
The "Running Man" figure is a registered trademark of LOUD
Technologies Inc.
All other brand names mentioned are trademarks or registered
trademarks of their respective holders, and are hereby
acknowledged.
©2014 LOUD Technologies Inc.
All Rights Reserved.
22.5 in / 572 mm
22.2 in / 565 mm
23.9 in / 608 mm
64 lb / 29 kg
24.5 in / 623 mm
44.0 in / 1117 mm
24.0 in / 610 mm
29.5 in / 750 mm
144 lb / 65.2 kg
P/N 2036809-24
P/N 2036809-27
P/N 2035170-01
Owner's Manual
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