Toa HLS46UL2-8 Manuel utilisateur

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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