QSC Audio Speaker System SR 110B User Guide

SR-110B  
Cinema Surround Loudspeaker  
Features  
• Parallel outputs for feeding additional units  
• 95˚ horizontal dispersion  
• QuickMount bracket for fast, easy and secure installation  
• High-power handling capability and rugged plywood enclosure  
optimized for digital soundtrack reproduction  
• THXapproved for professional cinema applications  
Developed specifically for the unique requirements of  
professional motion picture playback, QSC extends its  
commitmenttothecinemamarketwiththeintroduction  
of the SR-110B Cinema Surround Loudspeaker. As a  
member of QSC’s DCS Digital Cinema Speaker Series,  
the SR-110B offers high-power handling, excellent  
sensitivity, and extended bass response in a very  
compact enclosure.  
Specifications  
Frequency Range1  
-6 dB half space  
50 Hz – 20 kHz  
-10 dB half space  
Nominal Coverage  
Directivity Index  
42 Hz – 20 Hz  
90° horizontal x 85° vertical (averaged from 1 kHz to 10 kHz, -6 dB)  
7.5 dB  
5.6  
Q
Maximum Output2  
Calculated Peak at Rated Power  
Calculated Continuous  
Impedance  
123 dB  
117 dB  
The SR-110B Cinema Surround Loudspeaker features  
a high-power, long-throw 10" low-frequency transducer  
coupled with a 1" titanium diaphragm compression  
driver. The system’s plywood enclosure features a  
15º down angle baffle and Array Optimized Tuning  
(AOT) for optimum frequency response. The 200 watt  
continuous power rating and sophisticated crossover  
provides absolute reliability.  
8Ω nominal  
Maximum Input Power3  
100 hours of 6 db crest factor  
IEC 268 noise spectrum  
150 W RMS  
200 W RMS  
2 hours of 6 db crest factor  
pink noise, 50 Hz – 20 kHz,  
AES method  
Recommended Amplifier Power  
Sensitivity 1 watt/1 meter, half space  
Crossover Frequency  
400 W RMS maximum into 8Ω  
94 dB  
2.6 kHz  
The compact black enclosure with black grille blends  
into any theatre decor. A new QuickMount bracket  
design allows for fast, easy and secure installation. The  
loudspeaker half of the bracket comes pre-installed  
on each SR-110B. The QuickMount wall bracket  
is purchased separately to allow shipment to the  
job site ahead of the loudspeakers. A traditional  
U-bracket is also available in lieu of the QuickMount  
bracket system.  
Recommended Processing  
Connectors  
Subsonic filter at 50 Hz as provided by QSC DCA amplifiers  
Barrier strip screw terminals accept up to #10 AWG stranded wire  
Transducers  
10" long throw low-frequency transducer  
1" titanium diaphragm compression driver on a CD horn  
Enclosure  
Plywood, baffle angle is 15° downward  
23" x 12" x 12.25" (584 mm x 304 mm x 311 mm)  
31 lb (14 kg)  
Dimensions (HWD)  
Weight – Net  
1) All frequency ranges specified refer to measured free field response (half space, 2π).  
2) Calculated SPL at 1m, (half space, 2π), speaker operating at rated RMS power with pink noise within specified frequency range.  
3) Maximum input power tested in accordance with IEC 268-5 recommendations, 50 Hz – 20 kHz band limiting, 6 dB signal crest factor.  
 

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