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Features
• Flat response down to 24 Hz
• Sixteen 3/8"-16 threaded attachment points address all
suspension requirements
• Available in either black or white finishes
• Foam backed, powder coated, heavy gauge steel grille
• Input connection panel has both Speakon
®
and terminal
strip connectors
MD Subwoofers offer exceptional performance in
a wide variety of applications, including houses of
worship, performing arts facilities, hotels, casinos,
night clubs, and sporting facilities. For design/build
contractors and electroacoustic design consultants,
MD Subwoofers offer an effective solution to the
myriad of challenges encountered in the design
and implementation of permanently installed sound
reinforcement systems.
The MD-S215 and MD-S218 subwoofers offer dual
15" or 18" front-loaded transducers, respectively.
Large centrally located vents with radiused
terminations eliminate port turbulence and noise.
Transducers feature technically advanced 4" voice
coils assembled with proprietary high temperature
adhesives, vented ceramic magnet assemblies and
highly optimized motor design to provide high linear
excursion, low power compression, flat frequency
response and a very low distortion figure.
M D Series
ModularDesign Subwoofers
MD-S215 | MD-S218
Specifications
MD-S215 MD-S218
Configuration Two 15" long-throw woofers Two 18" long-throw woofers
with 4" voice coils, aluminum with 4" voice coils, aluminum
demodulating ring demodulating ring
Frequency Response (-6 dB)
1
27 Hz - 2 kHz 26 Hz - 1.8 kHz
Frequency Range (-10 dB)
1
25 Hz - 2.3 kHz 24 Hz - 2 kHz
Nominal Impedance 4Ω 4Ω
Sensitivity (1 W at 1 m)
1
99 dB 101 dB
RMS Power Handling
2
1800 W 1800 W
Maximum Output at 1 m
Continuous
3
132 dB 134 dB
Peak
4
138 dB 140 dB
Recommended Amplifier Power 3600 W 3600 W
Input Connectors Speakon
®
and terminal strip
Enclosure
Suspension Points 16 load-rated pick points that accept 3/8"-16 threaded hardware
Finish Wear resistant textured paint, available in black and white
Grille Powder-coated perforated steel
Dimensions (HWD) 26" x 40" x 23.3" 28" x 48" x 24"
(660 mm x 1016 mm x 591 mm) (711 mm x 1219 mm x 610 mm)
Weight 180 lbs (82 kg) 200 lbs (91 kg)
1) Groundplane
2) AES1984 50 - 500 Hz
3) Calculated based on sensitivity and continuous power handling capacity
4) Calculated based on sensitivity and 6 dB peak-to-average ratio of signal used for continuous power handling test
ModularDesign is a trademark of QSC Audio Products, Inc.
Speakon is a trademark of Neutrik