QSC Audio Introduces Flyable 4-Way Tri-Amped Speaker
System for Dome and Large Format Cinemas
October 7, 2009
Source: QSC Audio Products, Inc.
DCS SC-424-8F
Loudspeaker Expands Popular Digital Cinema Products Line
QSC Audio is proud to announce the new purpose-designed DCS
SC-424-8F flyable, four-way, tri-amplified speaker system
for Dome and Large Format cinemas that require suspended mounting
of screen channels, or point source surround channels.
Making another significant breakthrough in the D-Cinema market,
the DCS SC-424-8F joins QSC Audio’s popular cinema product
lines and follows the success of their award-winning DCP 300
Digital Cinema Processor.
Both the Mid/High and LF enclosures are built with common
dimensions to facilitate easy installation in vertical or
horizontal arrays and are constructed of heavily braced, 15mm
concert tour-grade plywood. In addition, 16 M10 attachment
points-per-enclosure are provided for safe and easy suspension.
The DCS SC-424-8F also features a unique
coax HF/VHF diaphragm, which has less mass than traditional
diaphragms, resulting in exceptional dynamic range, extended
high frequency response and lower distortion.
States Francois Godfrey, QSC Director of Sales, Cinema, “This
system has been developed specifically for the unique requirements
of Multi-Purpose, Large Format and Dome motion picture playback.
The two main units comprise the MHV-1090F mid-high / very-high-frequency
system, and the LF-4215-8F low-frequency system aimed purposely
at applications where a point-source surround channel or screen
channel must be suspended or flown rather than mounted on
a platform or floor. ”
The MHV-1090F mid-high / very-high-frequency system features
a high output, horn loaded 10" midrange cone driver and
a coaxial neodymium high-frequency / very high-frequency compression
driver.
The MHV-1090F includes a driver protection network and a passive
crossover for tri-amp operation. A high power 10" cone
driver allows operation as low as 250 Hz and up to 1800 Hz
to ensure that most of the dialogue range is reproduced by
a single element, for unmatched intelligibility.
The coaxial neodymium high-frequency / very-high-frequency
compression driver provides a dramatic improvement in dynamic
response, clarity and transparency, while the annular diaphragms
eliminate the break up of conventional dome drivers that cause
a harsh, metallic sound.
The LF-4215-8F dual 15 (381 mm) low-frequency enclosure is
designed for safe and easy suspension via M10 fly points.
The heavily braced, tour grade construction cabinet provides
great strength while keeping weight to a minimum.
The SC-424-8F is designed for ease of installation. The MHV-1090F
and LF-4215-8F components come pre-assembled to reduce field
assembly time, and both enclosures have the same dimensions
to allow stacked or side-by-side arrays. Each enclosure is
fitted with 16 x M10 fly points for safe and secure suspension
via installer-provided mounting hardware.
Also available is the companion DCS SC-424-8 system, which
provides identical acoustical performance in a standard, non-suspended
version.
Outboard digital processing, such as the QSC DCP 300, DCM
30D or Basis is required to provide the active crossover between
the low, mid, and high-very high frequency drivers.
Separate amplifiers are required for the low, mid and high-very
high frequency channels. The QSC DCA 1644 4-channel amplifier
is the ideal choice for the SC-424-8F. Channels 1 and 2 in
bridge mode deliver over 800w to the LF enclosure and channels
3 and 4 provide 250w to each of the highly efficient Mid and
High frequency horns.
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