Qsc Sr 46 Users Manual 46(Cinema Surround Loudspeaker)

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SR-46

Cinema Surround Loudspeaker

Features
•	 Parallel outputs for feeding additional units
•	 90˚ horizontal dispersion
•	 QuickMount bracket for fast, easy and secure installation
•	 H
 igh-power handling capability and rugged plywood enclosure
optimized for digital soundtrack reproduction

Developed specifically for the unique requirements

Specifications

of professional motion picture playback, QSC

Frequency Range1

extends its commitment to the cinema market with

	

-6 dB half space	

50 Hz – 20 kHz		

the introduction of the SR-46 Cinema Surround

	

-10 dB half space	

42 Hz – 20 Hz		

Loudspeaker. As a member of QSC’s DCS Digital

Nominal Coverage	

90° horizontal x 50° vertical (averaged from 1 kHz to 10 kHz, -6 dB)

Cinema Speaker Series, the SR-46 offers high-power

Directivity Index	

7.9 dB

handling, excellent sensitivity, and extended bass

Q		

6.2

response in a very compact enclosure.

Maximum

Output2

	

Calculated Peak at Rated Power	

125 dB

four high-power, long-throw 6.5" low-frequency

	

Calculated Continuous	

119 dB

transducers coupled with a 1" titanium diaphragm

Impedance	

The SR-46 Cinema Surround Loudspeaker features

8Ω nominal		
Power3

compression driver. The system’s plywood enclosure

Maximum Input

features a 15" down angle baffle and Array Optimized

	
	

100 hours of 6 db crest factor	
250 W RMS		
IEC 268 noise spectrum		

	
	
	

2 hours of 6 db crest factor 	
300 W RMS				
pink noise, 50 Hz – 20 kHz,
AES method		

	

Recommended Amplifier Power	

Tuning (AOT) for optimum frequency response. The
300 watt continuous power rating and sophisticated
crossover provides absolute reliability.
A 50º controlled vertical coverage provides for a better
reach and more consistent sound pressure levels
across the audience area.

600 W RMS maximum into 8Ω

Sensitivity 1 watt /1 meter, half space 	

95 dB	

Crossover Frequency	

3 kHz

Recommended Processing	

Subsonic filter at 50 Hz as provided by QSC DCA amplifiers	

The compact black enclosure with black grille blends

Connectors	Barrier strip screw terminals accept up to #10 AWG stranded wire

into any theatre decor. A new QuickMount bracket
design allows for fast, easy and secure installation. The

Transducers	4 x 6.5" long throw low-frequency transducers
1" titanium diaphragm compression driver on a CD horn

loudspeaker half of the bracket comes pre-installed on

Enclosure	Plywood, baffle angle is 15° downward

each SR-46. The QuickMount wall bracket is purchased

Dimensions (HWD)	

24" x 14.3" x 13.25" 	(610 mm x 363 mm x 336 mm)	

separately to allow shipment to the job site ahead

Weight – Net	

44 lb (20 kg)

of the loudspeakers. A traditional U-bracket is also

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.

available in lieu of the QuickMount bracket system.

SR-46

Dimensions

Top

14.3"
363.2 mm

13.25"
336.4 mm

Front

15°

24"
609.6 mm

Side

Specifications subject to change without notice.

QSC and the QSC logo are registered trademarks of QSC Audio Products, LLC in the U.S. Patent and Trademark office and other countries.
All other trademarks are the property of their respective owners. Patents may apply or be pending.

1675 MacArthur Boulevard • Costa Mesa, CA 92626 • Ph: 800/854-4079 or 714/957-7100 • Fax: 714/754-6174
SR-46 Spec Sheet – 06/20/08

qscaudio.com



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