Használati útmutató QSC SC-312
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Developed specifically for the unique requirements
of professional motion picture playback, the SC-312
extends QSC’s commitment to the cinema market. As
a member of the DCS Digital Cinema Speaker Series,
the SC-312 is a two-way, bi-amplified screen channel
loudspeaker system comprised of two main units—the
HF-63 high frequency system and the LF-3115 low-
frequency system.
The HF-63 high-frequency system features a 2.5"
(63mm) titanium diaphragm compression driver
mounted on a custom designed high frequency
cinema horn with an adjustable pan and tilt bracket.
The HF-63 includes a driver protection and equalization
network. DC blocking capacitors protect against DC or
low-frequency signals that would likely destroy an
unprotected driver. Power limiter circuitry protects the
driver from overpowering and a response correction
filter smoothes the frequency response of the horn/
driver combination. The driver and equalization
network provides for more reliable operation, ensuring
the show will go on.
The LF-3115 15" (381mm) low-frequency enclosure
is designed specifically to address the extended low-
frequency response required for cinema applications.
The LF-3115 covers the frequency range from
35 Hz to 1000 Hz, depending upon the high-
frequency system requirements.
The SC-312 is designed for ease of installation.
The HF-63 components come pre-assembled to
reduce field assembly time. Three bolts are all that
are required to secure the HF-63 to the top of the
LF-3115 enclosure.
SC-312
Cinema Loudspeaker System
Specifications SC-312
Nominal Coverage 90° horizontal x +20 to -30° vertical
Frequency Range 33 Hz - 16 kHz (-6 dB)
Crossover Frequency 1000 Hz, 24 dB per octave
LF-3115 HF-63
Impedance 8Ω 8Ω
Sensitivity 1 watt /1 meter, 95.5 dB 107.5 dB
half space
Maximum Input Power
1
8 hours of 6 db crest factor 300 W RMS 40 W RMS
IEC 268 noise spectrum
2 hours of 6 db crest factor 400 W RMS 60 W RMS
pinknoise, 50 Hz - 20 kHz,
AES method
Recommended Amplifier Power 600 W RMS maximum 100 W RMS maximum
Recommended Processing Subsonic filter below 30 Hz, 4th order LR crossover at 1000 Hz
> 18 dB per octave
Connectors Barrier strip screw terminals Barrier strip screw terminals
accept up to #10 AWG stranded accept up to #10 AWG stranded
wire, four terminals; two inputs wire, four terminals; two inputs
and two parallel outputs and two parallel outputs
Transducers One 15" (381mm) high efficiency, 1.5" (38mm) exit, 2.5" titanium
extended bass woofer featuring a diaphragm compression driver
3" copper voice coil
Enclosure Quasi B4 alignment, ported Tilt/Pan Bracket
enclosure with fully flared ports, ±10° vertical tilt
symmetrical port design, tuned to ±10° horizontal pan
36 Hz, constructed of MDF and
heavily braced. Features vandal
resistant woofer mounting bolts
Dimensions (HWD) 18.5" x 30" x 20.3" 16" x 30" x 20"
(470 mm x 762 mm x 516 mm) (406 mm x 762 mm x 508 mm)
Weight - Net 83 lbs (38 kg) 40 lbs (18.4 kg)
System Weight 123 lbs (56.4 kg)
Baffle Cut-Out 35.5" x 32"
1) Maximum input power tested in accordance with IEC 268-5 recommendations, 50 Hz - 20 kHz band limiting, 6 dB signal crest factor.
Features
• Two-way, bi-amplified screen channel system
• SC-312 provides 90° horizontal by +20° to -30° vertical coverage
• Low distortion waveguide provides highly articulate dialogue
• Shallow depth (20
") facilitates installation
Termékspecifikációk
| Márka: | QSC |
| Kategória: | hangszóró |
| Modell: | SC-312 |
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