Owner
’s Manual
3
Owner’s Manual
Contents
Features
Part No. SW1274 Rev. A 01/19
©2019 LOUD Audio, LLC. All Rights Reserved.
• High-efficiency 2000W Class-D amplifier offers ample
headroom for professional applications
o Universal power supply (100-240 VAC) with Power Factor
Correction technology ensures consistent performance
even with unstable AC power
o Next-gen protection circuitry keeps transducers safe
and ensures peak performance in all applications
• Advanced Impulse™ DSP module
o Precision acoustic correction delivers reference quality
sound that is consistent even at high SPL
• DRM Control Dashboard™ features a high-resolution full
color display for easy single-knob access to configuration,
processing, and more
o View current crossover setting, high-resolution metering,
and more from a single overview window
o User adjustable variable crossover point allows
for matching to any speaker system plus a DRM specific
mode tailors DRM18S for full-range DRM loudspeakers
o Save and recall up to 6 user presets for various
applications and venues
o Cardioid mode allows for easy setup of a directional
subwoofer array
o Screensaver plus dimmer and contrast control
o Polarity Invert
o Alignment Delay control for delay stacks
o System lock with 4-digit passcode
• Dual independent input channels with Full-Range Direct
and High-Pass outputs
• Premium components
o Road-worthy 18mm plywood construction and internal
bracing offers optimal acoustic performance with
a touring-grade textured coating and powder-coated
heavy gauge steel grille
o 18" high-excursion woofer offers increased bass response,
low distortion, and professional reliability to withstand
the most demanding applications
• Acoustic design with no compromises
o DRM18S is acoustically designed with ample internal
volume and precision tuned ports to naturally deliver
the bass you need with minimal distortion
• Versatile configuration options
o Flyable via optional FB100 Fly Bar and FKDRM18S
Flyware Kit
o M20 threaded pole attachment for use with DRM Series
loudspeakers and other pole mountable speakers
• Max SPL: 135 dB
• 90 lb / 40.8 kg
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Important Safety Instructions ........................................... 2
Contents / Features ............................................................ 3
Introduction / Getting Started ........................................... 4
Hookup Diagrams ............................................................... 5
DRM18S Subwoofer: Rear Panel Features ......................10
1. Power Connection ...................................................10
2. Power Switch ..........................................................10
3. XLR and 1/4” Combo Inputs ...................................10
4. Direct Out ................................................................ 11
5. High-Pass Out ......................................................... 11
6. LCD Display ............................................................ 11
7. Speaker Control Knob ............................................ 11
DRM Control Dashboard™ ................................................12
Main .............................................................................12
Subwoofer Mode ........................................................13
X-Over ..........................................................................13
Cardio ..........................................................................14
Delay ............................................................................14
Configuration ..............................................................15
Protection Circuitry ...........................................................17
Limiting .......................................................................17
Overexcursion Protection ..........................................17
Thermal Protection ....................................................17
AC Power ............................................................................18
Care and Maintenance ......................................................18
Placement ..........................................................................18
Rigging ..............................................................................18
A Note About Cardioid Operation ....................................20
Appendix A: Service Information ......................................21
Appendix B: Technical Information .................................22
DRM18S Dimensions .................................................23
DRM18S Block Diagram ............................................ 24
Limited Warranty ..............................................................25
