Owner’
s Manual
15
Owner’s Manual
SRM Subwoofer Specifications
Appendix C: Technical Information
Acoustic Performance:
Frequency Response (–3 dB) 40 Hz – 120 Hz [SRM1850]
34 Hz – 100 Hz [SRM2850]
Frequency Response (–10 dB) 35 Hz – 150 Hz [SRM1850]
26 Hz – 145 Hz [SRM2850]
Max peak SPL
132 dB [SRM1850]
135 dB [SRM2850]
Crossover Point
115 Hz plus alignment delay [SRM550]
115 Hz plus alignment delay [SRM650]
115 Hz plus alignment delay [SRM750]
60 Hz – 120 Hz [Variable]
Slope
3rd order HP, 4th order LP
Transducer
Woofer Diameter
18 in / 457 mm
Voice Coil Diameter
3.0 in / 76 mm
Subwoofer Diaphragm Material
Paper
Magnet
Material
Ferrite
Power Amplifier
Rated Power
800 watts rms
1600
watts
peak
Rated THD
< 1%
Cooling
Convection
Design
Class
D
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
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
22.5 in / 572 mm
Width
22.2 in / 565 mm
Depth
23.9 in / 608 mm
Weight
64 lb / 29 kg
SRM2850:
Height
24.5 in / 623 mm
Width
44.0 in / 1117 mm
Depth (without casters)
24.0 in / 610 mm
Depth (with casters)
29.5 in / 750 mm
Weight
144 lb / 65.2 kg
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
P/N 2036809-24
SRM2850 Cover
P/N 2036809-27
SPM200 Loudspeaker Pole Mount
P/N 2035170-01
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.
