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The CQ-1 wide coverage main is a self-
powered, phase-corrected reinforcement
loudspeaker offering precise, low-Q cov-
erage. The CQ-1 features a patented con-
stant-Q horn design — the result of ex-
tensive research using Meyer Sound’s cali-
brated anechoic chamber. The frequency
response of 40 Hz to 16 kHz is uniform over
the entire coverage area in both the hori-
zontal and vertical axes, with no side lobes
even when measured at a one-sixth octave
frequency resolution.
The CQ-1 loudspeaker’s unique combina-
tion of precise pattern control, compact
size, low distortion and high power make it
suitable for a wide variety of installed and
rental applications. The CQ-1 is perfect as
the main PA in small- to mid-sized audito-
riums, houses of worship, clubs and hotel
ballroom settings, and is highly effective
in delayed fill applications for arenas and
outdoor concert systems.
The CQ-1 loudspeaker’s low-frequency
section comprises a single 15-inch Meyer
Sound cone driver, and the high-frequency
section utilizes a 4-inch diaphragm com-
CQ-1 : Wide Coverage Main Loudspeaker
DATASHEET
pression driver coupled to an 80-degree by
40-degree constant-Q horn.
The sophisticated MP-2/CQ-1 power am-
plifier is integrated into an accessible,
lightweight rear module. The amplification,
processing and protection circuitry produc-
es consistent and predictable results in any
system design. The proprietary two-chan-
nel amplifier employs Meyer Sound’s prov-
en class AB/H design with complementary
MOSFET output stages, and delivers 1240
watts burst power (620 watts per channel).
Audio is processed through an electronic
crossover and correction filters for phase
and frequency response, as well as driver
protection circuitry.
Each amplifier channel has TruPower
®
lim-
iting technology which maximizes loud-
speaker reliability, minimizing power
compression and extending component
life. TruPower also affords higher continu-
ous SPL capability at all frequencies with
maximum headroom and regulates voice
coil temperature. Limiter activity is easy
to monitor with the limit LEDs on the rear
panel.
CONCER T SERIES
21.00" w x 30.00" h x 22.20" d
(533 mm x 762 mm x 564 mm)
130 lbs (58.97 kg); shipping 150 lbs (68.04 kg)
All birch multi-ply
Black textured
Perforated hex metal grille frame with charcoal-grey foam
Ring and stud pan fittings, two on both top and bottom.
Working load for each fitting is 500 lbs (226.80 kg), which
is 1/5 the cabinet breaking strength (with straight tensile
pull); 3/8” or metric M10 nut plates optional
Dimensions
Weight
Enclosure
Finish
Protective Grille
Rigging
The MP-2/CQ-1 amplifier’s power supply
incorporates Meyer Sound’s Intelligent AC™
system, which performs automatic voltage
selection, EMI filtering, soft current turn-on
and surge suppression. Intelligent AC allows
fail-safe operation worldwide, with no need
to manually select the AC mains voltage.
The compact CQ-1 system is housed in an
all-birch multi-ply enclosure with a tex-
tured, hard shell black finish. It is flyable and
arrayable using standard ring and stud pan
fittings on top and bottom rated at 500 lbs
(226.80 kg) with a 5:1 safety factor. An op-
tional mounting yoke allows flexible, quick
installation and easy aiming in theatrical
and permanent applications.
Options for the CQ-1 cabinet include weath-
er protection and finishes in custom colors
for fixed installations and other situations
requiring specific cosmetics.
The CQ-1 integrates with the optional RMS™
remote monitoring system, which displays
signal and power levels, driver status, lim-
iter activity, and amplifier temperature on a
remote Windows
®
computer.
Extremely smooth horizontal pattern for
consistent sound
Ultra-low distortion yields remarkable
fidelity
Extraordinarily flat amplitude and phase
response for tonal accuracy and precise
imaging
features & benefits
Extended low-frequency response for
stand-alone applications
Constant-Q horn affords uniform
response throughout the coverage area.
Predictable performance ensures system
design flexibility
applications
Concert halls, theatres and houses of
worship
Downfill and delays in large-scale
reinforcement
Stage monitoring side fill
Paging and announcing
Cinema and 5.1 applications