QSC Audio Speaker System SC 413 User Guide

SC-413  
Cinema Loudspeaker System  
Features  
• 3-way selectable, bi or tri-amplified screen channel system  
• MH-1063 provides 90° horizontal by +20° to -30° vertical coverage  
• LF-4115 is constructed of MDF and is heavily braced  
• Low-distortion waveguides provide highly articulate dialogue  
• Shallow depth (20") facilitates installation  
• THXapproved for professional cinema applications  
Developed specifically for the unique requirements  
of professional motion picture playback, the SC-413  
extends QSC’s commitment to the cinema market. As  
a member of the DCS Digital Cinema Speaker Series,  
the SC-413 is a 3-way, selectable bi or tri-amplified  
screen channel loudspeaker system comprised of two  
main units—the MH-1063 mid-high frequency system  
and the LF-4115 low-frequency system.  
Specifications  
Nominal Coverage  
Frequency Range  
SC-413  
90° horizontal x +20 to -30° vertical  
33 – 16 kHz (-6 dB)  
Crossover Frequency  
250 and 1700 Hz, 24 dB per octave  
LF-4115  
4Ω  
MH-1063  
Impedance  
8Ω  
Sensitivity 1 watt/1 meter,  
half space  
93.5 dB  
Bi-amp  
105 dB  
Tri-amp  
MF 105 dB HF 107.5 dB  
The MH-1063 mid-high system features a high  
output, horn loaded 10" midrange cone driver and  
a 2.5" (63mm) titanium diaphragm compression  
driver mounted to an adjustable pan and tilt bracket.  
The MH-1063 includes a driver protection network  
and a passive crossover for bi-amp operation. Power  
limiter circuitry protects the high-frequency driver  
from overpowering. The MH-1063 provides extended  
frequency coverage for the critical midrange band. A  
high power 10" cone driver allows operation as low  
as 250 Hz and the advanced phase plug coupling  
permits a crossover point of up to 1800 Hz to the  
high-frequency horn. This ensures that most of the  
dialog range is reproduced by a single element for  
unmatched intelligibility.  
Maximum Input Power1  
8 hours of 6 db crest factor  
IEC 268 noise spectrum  
400 W RMS  
500 W RMS  
250 W RMS2 275 W RMS 60 W RMS  
passive  
mid-high  
2 hours of 6 db crest factor  
pink noise, 50 Hz – 20 kHz,  
AES method  
350 W RMS  
Recommended Amplifier Power 800 W RMS maximum  
800 W RMS maximum  
Recommended Processing  
Subsonic filter below 30 Hz,  
> 18 dB per octave  
4th order LR crossover at 200 and 1700  
Hz via QSC DCM or QSControl.net™  
Connectors  
Barrier strip screw terminals  
accept up to #10 AWG  
stranded wire  
Barrier strip screw terminals  
accept up to #10 AWG stranded wire  
Transducers  
Enclosure  
One 15" (381mm) high efficiency, 10" high efficiency mid range,  
extended bass woofer featuring a 1.5" (38mm) exit, 2.5" titanium  
4" copper voice coil  
diaphragm compression driver  
Quasi B4 alignment, ported  
enclosure with fully flared ports,  
symmetrical port design, tuned to 10° horizontal pan  
36 Hz, constructed of MDF and  
heavily braced. Features vandal  
Tilt/Pan Bracket  
10° vertical tilt  
The LF-4115 single 15" (381mm) low-frequency  
enclosure is designed specifically to address the  
extended low-frequency response required for cinema  
applications. The LF-4115 covers the frequency range  
from 35 Hz to 250 Hz.  
resistant woofer mounting bolts  
Dimensions (HWD)  
18.5" x 30" x 20.3"  
(470 mm x 762 mm x 516 mm)  
39" x 30" x 20"  
(990 mm x 762 mm x 508 mm)  
The SC-413 is designed for ease of installation.  
The MH-1063 components come pre-assembled to  
reduce field assembly time. Three bolts are all that  
are required to secure the MH-1063 to the top of the  
LF-4115 enclosure.  
Weight – Net  
System Weight  
Baffle Cut-Out  
83 lb (38 kg)  
168 lb (77 kg)  
58.75" x 32"  
85 lb (39 kg)  
1) Maximum input power tested in accordance with IEC 268-5 recommendations, 50 Hz – 20 kHz band limiting, 6 dB signal crest factor.  
2) Maximum input power tested in accordance with IEC 268-5 recommendations, 200 Hz – 2 kHz band limiting, 6 dB signal crest factor.  
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