Toa HLS30S2-8 Manuel utilisateur

PROFESSIONAL SOUND SYSTEM

Instruction Manual

Low Frequency Loudspeaker Model HLS30S2-8, HLS30S2-1

APPEARANCE

GENERAL DESCRIPTION

The HLS30S2 is a 300 mm (12 in.) low-frequency loud-

speaker designed for professional applications in high

level sound reinforcement environments where high

efficiency, low frequency range, and faithful reproduc-

tion are required, such as studios, theaters, concert

halls, auditoriums, discos, and in live sound reinforce-

ment applications. The HLS30S2 offers high power

handling capacity and a uniform frequency response

from 50 Hz to 4,000 Hz. A crossover frequency of 2,000 Hz

or lower is recommended to obtain smoothest overall

system response. The loudspeaker employs a low-mass

72 mm (2.8 in.) diameter voice coil of edgewound

copper-clad aluminum ribbon on an aluminum coil form,

which operates in a flux density of 1 ,200 gauss. The

voice coil is driven by a powerful ferrite magnet, which

is supported by a rugged diecast aluminum frame. The

cone suspension is made of exceptionally high compli-

ance cloth surround, damped.

FEATURES

1. Smooth, extended low frequency response

2. High power handling capacity : 300 watts continuous

pink noise (AES Standard)

3. High efficiency and linearity

4. Low distortion

5. Voice coil of edgewound copper-clad aluminum

ribbon, with an aluminum coil form

. Powerful ferrite magnet structure

7. Rigid diecast aluminum construction

Specification

SPECIFICATIONS

Nominal Diameter : 300 mm (12 in.)

Nominal Impedance

HLS30S2-8 : 8 ohms

HLS30S2-1 : 1 ohms

Power Handling

: 300 W continuous pink noise

Sen itivity2 : 98 dB (1W/1m)

Frequency Range : 50 Hz to 4,000 Hz

Highe t Recommended Cro over Frequency : 2,000 Hz

Effective Pi ton Diameter: 272 mm (107 in.)

Di placement Limit (p-p) : 20 mm (0.79 in.)

Minimum Impedance

HLS30S2-8 : 8.0 ohms ±10% (25°C)

HLS30S2-1 : 1 .0 ohms ±10% (25°C)

Voice Coil Diameter: 72 mm (28 in.)

Voice Coil Material : Edgewound copper-clad alumi-

num ribbon

Voice Coil Winding Depth : 15 mm (0.59 in.)

Top-plate Thickne : 10 mm (0.39 in.)

Bl Factor

HLS30S2-8 : 19.5 N/A

HLS30S2-1 : 2 .5 N/A

Effective Moving Ma : 0.055 kg

Flux Den ity : 1 ,200 gauss

Polarity :

Positive voltage on plus (RED) terminal gives

forward diaphragm motion.

Note

1 . AES Standard ( 0 to 00 Hz)

2. Sensitivity is based on a band-limited (100 to 800 Hz)

pink noise signal.

3. Specifications are subject to change without notice.

THIELE-SMALL PARAMETERS

f : 52 Hz

HLS30S2-8 : .2 ohms

HLS30S2-1 : 12.3 ohms

Qt :

0.27

Qm : 2.9

Qe :

0.30

Va : 80

lit.

(2.83

)

Sd : 0.058 m

(89.9 in

)

Xmax : 4.7 mm (0.19 in.)

Vd : 273 cm

(1 .7

)

(half pace) : 3.7%

Pe (Max) : 300 W continuous pink noise

MOUNTING DATA

Overall Diameter : 342 mm (13.5 in.)

Bolt Pattern Diameter : 322 mm (12.7 in.)

Baffle Cutout Diameter

Front Mount : 304 mm (12.0 in.)

Rear Mount : 290 mm (11.4 in.)

Depth : 143 mm (5. 3 in.)

Loud peaker Volume : 4 lit. (014 ft3)

Weight: 11 kg (24.3 Ib.)

Standard Acce orie

Mounting screws, washers and nuts : each 8

Instruction manual : 1

Warranty card : 1

Frequency Re pon e

Frequency Re pon e and Impedance Curve Di tortion Re pon e

Measured in an anechoic environment at 1 watt

and 1 meter under the condition that speaker unit

is mounted in a 80-liter sealed box. The impedance

magnitude curve is measured in free-air.

TOA Corporation

KOBE, JAPAN

133-01-320-30

Measured at 30 watts (-10 dB power), 1 meter.

Model HLS30S2-8, HLS30S2-1

TOA

Thiele-Small

AES Standard( 0Hz~ 00Hz)

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