Toa HLS46UL2-8 Manual de usuario
PROFESSIONAL SOUND SYSTEM
Instruction Manual
Low Frequency Loudspeaker Model HLS46UL2-8
APPEARANCE
GENERAL DESCRIPTION
T e HLS46UL2-8 is a 460 mm (18 in.) low-frequency
loudspeaker designed for professional applications in
ig level sound reinforcement environments w ere ig
efficiency, super low frequency range, and fait ful repro-
duction are required, suc as studios, t eaters, concert
alls, auditoriums, discos, and in live sound reinforce-
ment applications. T e HLS46UL2-8 offers exceptionally
ig power andling capacity, ultra linearity in super low
frequency range, and a uniform frequency response
from 20 Hz to 3,000 Hz. A crossover frequency of 1,000
Hz or lower is recommended to obtain smoot est
overall system response. T e loudspeaker employs a
low-mass 100 mm (4 in.) diameter voice coil of edg-
ewound copper ribbon on an aluminum coil form, w ic
operates in a flux density of 13,600 gauss. T e voice coi
is driven by powerful double ferrite magnets, w ic is
supported by a rugged diecast aluminum frame. T e
cone suspension is made of exceptionally ig compli-
ance clot surround, damped.
FEATURES
1. Smoot , extended super low frequency response
2. Hig power andling capacity : 600 watts continuous
pink noise (AES Standard)
3. Hig efficiency and ultra linearity in super low range
4. Low distortion
5. Voice coil of edgewound copper ribbon, wit an
aluminum coil form.
6. Powerful double ferrite magnets structure
7. Rigid diecast aluminum construction
Specifications
SPECIFICATIONS
Nominal Diameter 460 mm (18 in.)
Nominal Impedance 8 o ms
Power Handling
1
: 600 W continuous pink noise
Sensitivity
2
: 99 dB(1W/1m)
Frequency Range : 20 Hz to 3,000 Hz
Highest Recommended Crossover Frequency 1,000 Hz
Effective Piston Diameter 400 mm (16 in.)
Displacement Limit (p-p) 50 mm (2.0 in.)
Minimum Impedance : 7.0 o ms ±10% (25°C)
Voice Coil Diameter : 100 mm (4 in.)
Voice Coil Material : Edgewound copper ribbon
Voice Coil Winding Depth : 26 mm (1.0 in.)
Top-plate Thickness : 15 mm (0.59 in.)
Bl Factor : 27.8 N/A
Effective Moving Mass : 0.175 kg
Flux Density : 13,600 gauss
Polarity
Positive voltage on plus (RED) terminal gives
forward diap ragm motion.
THIELE-SMALL PARAMETERS
fs 27 Hz
Re 5.3 o ms
Qts
0.19
Qms 2.5
Qes
0.21
Vas
450
lit.
(15.9
ft
3
)
Sd
0.126
m
2
(195
in
2
)
Xmax 7.2 mm (0.28 in.)
Vd 905 cm
3
(55.2
in
3)
(Half space) 4.1 %
Pe(Max) 600 W continuous pink noise
MOUNTING DATA
Overall Diameter : 464 mm (18.3 in.)
Bolt Pattern Diameter 440 mm (17.3 in.)
Baffle Cutout Diameter
Front Mount : 422 mm (16.6 in.)
Rear Mount : 420 mm (16.5 in.)
Depth 225 mm (8.86 in.)
Loudspeaker Volume 9 lit. (0.32 ft
3
)
Weight 20.8 kg (45.9 Ib.)
Standard Accessories
Mounting screws, was ers and nuts : eac 8
Instruction manual : 1
Warranty card : 1
Note
1. AES Standard (60 to 600 Hz)
2. Sensitivity is based on a band-limited (100 to 800 Hz)
pink noise signal.
3. Specifications are subject to c ange wit out notice.
Frequency Response
Frequency Response and Impedance Curve
Measured in an anec oic environment at 1 watt
and 1 meter under t e condition t at speaker unit
is mounted in a 200-liter sealed box. T e impedance
magnitude curve is measured in free-air.
Distortion Response
Measured at 60 watts (-10 dB power), 1 meter.
TOA Corporation
KOBE, JAPAN
133-01-359-10
Model HLS46UL2-8
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