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

Appendix C: Technical Information

SRM1850 Subwoofer Specifications
Acoustic Performance:
Frequency Response (-3 dB)
Frequency Response (-10 dB)
Max peak SPL
Crossover Point
Slope
Transducer
Woofer Diameter
Voice Coil Diameter
Subwoofer Diaphragm Material
Magnet Material
Power Amplifier
Rated Power
Rated THD
Cooling
Design
Input/Output
Input Type
Input Impedance
Full Range Outputs
High Pass Outputs
Line Input Power
US detachable line cord
EU detachable line cord
AC Connector
Power Supply Type
16
SRM1850 Powered Subwoofer
40 Hz – 120 Hz
35 Hz – 150 Hz
132 dB
115 Hz plus alignment delay [SRM550]
115 Hz plus alignment delay [SRM650]
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
Female XLR balanced
differential (stereo left/right)
20 k balanced,
10 k unbalanced
Male XLR balanced
(parallel with inputs – mono)
Male XLR balanced
90 – 130 VAC, 60 Hz, 200W
190 – 240 VAC, 50 Hz, 200W
3-pin IEC 250 VAC
Switchmode
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
Grille Powder-coated 16 gauge steel
Physical Properties
Height 22.5 in / 572 mm
Width 22.2 in / 565 mm
Depth 23.9 in / 608 mm
Weight 64 lb / 29 kg
Mounting Methods
The SRM1850 subwoofer is designed to sit on the floor or
stage. It is NOT designed to be pole-mounted or suspended.
The cabinet has no rigging points and is not suitable for rigging.
Never attempt to suspend the SRM1850 by its handles.
Options
SRM1850 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.
©2013 LOUD Technologies Inc.
All Rights Reserved.
P/N 2036809-24
P/N 2035170-01