Crest Audio LH3 LOUDSPEAKER Spécifications - Page 4
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Specifications
Frequency Response, 1 meter on-axis,
swept-sine in anechoic environment:
Usable Low Frequency Limit (-10 dB point):
Passive High Frequency Section:
Sound Pressure Level, 1 Watt, 1 meter in
anechoic environment:
Mid / High Frequency Section:
Maximum Sound Pressure Level (1 meter):
Mid / High Frequency Section:
Radiation Angle measured at -6 dB point
of polar response:
Transducer Complement
Low Frequency Section:
Mid Frequency Section:
High Frequency Section:
Box Tuning Frequency:
Crossover Frequency (internal passive):
Recommended Active Crossover
Frequency Region and Slope
Mid Frequency - High Frequency:
Input Connections:
Enclosure Materials & Finish:
Dimensions (H x W x D):
Architects' & Engineers' Specifications:
The loudspeaker system shall have an operat-
ing bandwidth of 53 Hz to 20 kHz. The nominal
output level shall be 97 dB when measured at
a distance of one meter with an input of one
Watt. The nominal impedance shall be 8.0
LH
TM
3 Loudspeaker
53 Hz to 20 kHz (±3 dB)
40 Hz
Power Handling:
Full Range:
500 W continuous (63.2 V RMS)
1,000 W program
2,000 W peak
150 W continuous (34.6 V RMS)
300 W program
600 W peak
Full Range:
97.0 dB SPL, (2.83 V input)
104 dB SPL, (2.83 V input)
Full Range:
126.8 dB SPL continuous
132.8 dB SPL peak
134.5 dB SPL continuous
140.5 dB SPL peak
90 degrees horizontal x 40 degrees vertical.
1x 15 in. woofer, vented basket
1x 8 in. mid-range
2.0 in. exit / 75 mm voice coil compression driver on a CD horn
Fbox:
Low Frequency - Mid Frequency: 500 Hz
Mid Frequency - High Frequency: 3,700 Hz
500 Hz at 18 dB/octave
Time Offset:
Low Frequency: 0.00 ms
Mid Frequency:
High Frequency: 0.60 ms
Impedance (Z):
Full Range:
Nominal:
Minimum:
Passive MF/HF:
Nominal:
Minimum:
High Frequency:
Nominal:
Minimum:
2x Neutrik Speakon
biamp switching input jack
3/4" 7-ply premium, exterior grade, all-poplar, void-free plywood. Material conforms
to APA-1 specification. Finished in black Hammer-Head poly-coating.
Front: 33.5 in. x 22.38 in. x 19.75 in. 851 mm x 568 mm x 502 mm
Rear: 33.5 in. x 12.75 in. x 19.75 in. 851 mm x 324 mm x 502 mm
Net Weight:
120 Lbs. (54.4 kg)
Ohms. The maximum continuous power han-
dling shall be 500 Watts, maximum program
power of 1,000 Watts and a peak power input
of at least 2,000 Watts, with a minimum ampli-
fier headroom of 3 dB. The nominal radiation
geometry shall be 90 degrees in the horizontal
Crest Audio reserves the right to make improvements in manufacturing or design which may affect specifications.
8/22/01
v.1.5
36 Hz
-0.30 ms
8.0 Ω
6.4 Ω
8.0 Ω
8.9 Ω
8.0 Ω
6.9 Ω
®
4 conductor input jacks, 1x Neutrik Speakon
*80304808*
LH
TM
3 Loudspeaker
®
4 conductor
plane and 40 degrees in the vertical plane. The
outside dimensions shall be 33.5 inches high
by 22.38 inches wide by 19.75 inches deep. The
weight shall be 120 pounds. The loud-speaker
system shall be a Crest Audio model LH
16-00 Pollitt Dr. Fair Lawn, NJ 07410
TEL: 201.909.8700 FAX: 201.909.8744
www.crestaudio.com
TM
3.
Crest Audio Inc.