QSC SC-222 Bruksanvisning

QSC högtalare SC-222

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Developed specifically for the unique
requirements of professional motion
picture playback, the SC-222 extends
QSC’s commitment to the cinema
market. As a member of the DCS Digital
Cinema Speaker Series, the SC-222 is
a bi-amplified, 2-way screen channel
loudspeaker system comprised of two
main units—the HF-75C high-frequency
system and the LF-2215 low-frequency
system.
The HF-75C high-frequency system
features a 3” (75mm) titanium diaphragm
compression driver mounted on a custom
designed high-frequency cinema horn
with an adjustable pan and tilt bracket.
The HF-75C 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 smooths the frequency response of
the horn/driver combination. The driver
and equalization network provides for
more reliable operation, ensuring the
show will go on. LF-2215 dual 15” (381
mm) low-frequency enclosure is designed
specifically to address the extended low-
frequency response required for cinema
applications.
LF-2215 covers the frequency range from
37 Hz to 1000 Hz, depending upon the
high-frequency system requirements.
Close Coupled Woofers (CCW), with their
tight spacing between woofers, improves
coupling and keeps coverage angles wide
over a greater frequency range than more
widely spaced designs.
The SC-222 is designed for ease of
installation. The HF-75C components
come pre-assembled to reduce field
assembly time. Three bolts are all that are
required to secure the HF-75C to the top
of the LF-2215 enclosure.
Features
• Two-way, bi-amplified screen
channel system
• HF-75C provides 90°
horizontal by +20° to -35°
vertical coverage
• LF-2215 is constructed of
MDF and features single
woofer chambers
• Low-distortion waveguide
provides highly articulate
dialogue
• Shallow depth (20”) facilitates
installation behind the screen
SC-222
SC-222
Cinema Loudspeaker System
1) Maximum input power tested in accordance with IEC 60268-5 recommendations, 30 Hz to 300 kHz band limiting.
Specifications SC-222
Nominal Coverage 90° horizontal x +20 to -35° vertical
Frequency Range 37 Hz – 16 kHz (-6 dB)
Crossover Frequency 700 Hz, 24 dB per octave
LF-2215 HF-75C
Impedance 4Ω 8Ω
Sensitivity 1 watt /1 meter, half space 98 dB 108 dB
Maximum Input Power
1
8 hours of 6 dB crest factor IEC 268
noise spectrum
2 hours of 6 dB crest factor pink noise,
50 Hz – 20 kHz, AES method
Recommended Amplifier Power
600 W RMS
800 W RMS
1200 W RMS maximum
40 W RMS
75 W RMS
100 W RMS maximum
Recommended Processing Subsonic filter below 30 Hz, > 18 dB per octave 4th order LR crossover at 700 Hz via QSC processor
Connectors Barrier strip screw terminals accept up to #10 AWG stranded wire Barrier strip screw terminals accept up to #10 AWG stranded wire
Transducers Two 15" (381mm) high efficiency, extended bass woofers featuring
3” copper voice coils
1.5” (38mm) exit, 3” titanium diaphragm compression driver
Enclosure Quasi B4 alignment, ported enclosure with fully flared ports,
symmetrical port design, constructed of MDF
and heavily braced. Features vandal resistant woofer mounting bolts
Tilt/Pan Bracket
±10° vertical tilt
±10° horizontal pan
Dimensions (HWD) 35.75” x 30” x 20.3” (9080 mm x 762 mm x 516 mm) 16” x 30” x 20” (406 mm x 762 mm x 508 mm)
Weight – Net 172 lb (78 kg) 40 lb (18.4 kg)
System Weight 212 lb (96.4 kg)
Baffle Cut-Out 53”x32”
SC-222 Details
Preliminary Specifications subject to change without notice.
SC-222 Technical Drawing
please recycle
Specifications subject to change without notice.
Side
21.7"
551 mm
20.3"
515 mm
30"
762 mm
74.75"
1898.7 mm
18.9"
480 mm
39"
990 mm
35.75"
908 mm
4"
102 mm
1675 MacArthur Boulevard • Costa Mesa, CA 92626 • Ph: +1.800.854.4079 or +1.714.957.7100 • Fax: +1.714.754.6174
©2020 QSC, LLC. All rights reserved. QSC and the QSC logo are registered trademarks of QSC, LLC in the U.S. Patent
and Trademark office and other countries.
SC-222 Spec Sheet 03/31/2020

Produktspecifikationer

Varumärke: QSC
Kategori: högtalare
Modell: SC-222

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