Specifications
LQ
TM
10 Loudspeaker
Crest Audio Inc.
16-00 Pollitt Dr. Fair Lawn, NJ 07410 USA
TEL: 201.909.8700 FAX: 201.909.8744
www.crestaudio.com
*80304799*
Crest Audio reserves the right to make improvements in manufacturing or design which may affect specifications.
8/21/01
v.1.5
Architects’ & Engineers’ Specifications:
The loudspeaker system shall have an operating bandwidth of 74 Hz to 18 kHz.The nominal output level shall be 96.0 dB when measured at a
distance of one meter with an input of one Watt. The nominal impedance shall be 8.0 Ohms. The maximum continuous power handling shall
be 250 Watts, maximum program power of 500 Watts and a peak power input of at least 1,000 Watts, with a minimum amplifier headroom of
3 dB.The nominal radiation geometry shall be 90 degrees in the horizontal plane and 40 degrees in the vertical plane.The outside dimensions
shall be 18.75 inches high by 14.00 inches wide by 13.19 inches deep.The weight shall be 31 pounds.The loudspeaker system shall be a Crest
model LQ 10.
frequency response
usable low frequency limit (-10 dB point)
power handling
sound pressure level
maximum sound pressure level (1 meter)
radiation angle measured
transducer complement
box tuning frequency
crossover frequency (internal passive)
time offset
impedance (Z)
input connections
enclosure materials and finish
mounting provisions
dimensions (H x W x D)
net weight
74 Hz to 18 kHz ±3 dB
57 Hz
Full Range
250 W continuous
500 W program
Full Range
96.0 dB SPL, (2.83 V input)
Full Range
120.0 dB SPL continuous 126.0 dB SPL peak
90 degrees horizontal x 40 degrees vertical
Low Freq
1x 10" woofer, vented long throw heavy-duty woofer
High Freq
1x 1" exit/34 mm voice coil compression driver HF™ 1 on a CD horn
Fbox
75 Hz
Low Freq
2,200 Hz
Low Freq
0.00 ms
High Freq
Horn spatially aligned
Full Range
Nominal 8.0
Ω
Minimum - 6.7
Ω
2x Neutrik
®
Speakon
®
for full-range inputs
Dark gray high impact polypropylene 1/4" thick finished in textured molded surface
(8) 1/4" threaded mounting points, four each top and bottom
front
18.75" x 14.00" x 13.19"
476 mm x 356 mm x 335 mm
rear
16.69" x 8.00" x 13.19"
424 mm x 203 mm x 335 mm
31 lbs.
(14.1 kg)
LQ10 Loudspeaker
Full Range
Other LQ series loudspeakers
S E R I E S
Features
Description
• Quadratic Throat Geometry horn
• 500 W program, 1000 W peak
• 10" long throw heavy-duty woofer
• Crest HF
TM
1 one and a quarter inch titanium compression driver
• DPS (Dynamic Protection System) tweeter protection
• High power crossover components
• Top and bottom flying point inserts
• Multiple handles and 1-3/8" stand mount
• Available in white
The Crest LQ 10 is an injection-molded two-way speaker system,
engineered in the Crest tradition to provide superior performance
from a compact and durable package. The enclosure is made from
very high impact injection-molded polypropylene in a trapezoidal
shape, with extensive ribbing and bracing. The grille is comprised of
perforated metal protected by a high quality vinyl coating process.
The two-way system is comprised of a 10" long throw heavy-duty
woofer, and a water-resistant treated cone and dust cap for superior
environmental stability. The high frequencies are handled by a Crest
HF
TM
1 one and a quarter inch titanium diaphragm compression driv-
er, coupled to a 1" Quadratic Throat Geometry horn, molded integral
to the cabinet. This horn provides outstanding dispersion coupled
with a well-controlled pattern, and a smooth, even response. Utilizing
Quadratic Throat Horn
TM
technology, under US Patent 6,059,069, the
horn has lower distortion than many popular CD horn geometries.
Input connection to the system is made via two 4-pin Neutrik® jacks
connected in parallel for full-range signal input and daisy chaining
capability
The internal passive crossover features the DPS
TM
(Dynamic
Protection System) tweeter protection circuit, an advanced topology
crossover with high performance components, to provide high power
handling and reliability.The crossover provides driver roll-off and pro-
tection, as well as driver EQ for the woofer and horn. High-quality,
reliable crossover components include polypropylene capacitors,
and high current inductors and input connectors. The optimal inte-
gration of the crossover with the selected drivers results in a smooth
frequency response from 74 Hz to 18 kHz.
LQ
TM
10
Loudspeaker
LQ10
LQ12
LQ15
250W
500W
500W
1,000W
2,000W
2,000W
Power Handling
Continuous
Peak
