Toa SR-M3L Manual de usuario

OPERATING INSTRUCTIONS

SPEAKER SYSTEM SR-M3L

SR-M3R

Please follow the instructions in this manual to obtain the optimum results from this unit.

We also recommend that you keep this manual handy for future reference.

When Installing the Unit

• Owing to the unit's size and weight, be sure that at

least two persons are available to install the unit.

Failure to do so could result in personal injury.

When the Unit is in Use

• Should the following irregularity be found during

use, immediately stop operating the speaker and

contact your nearest TOA dealer. Make no further

attempt to operate the unit in this condition as this

may cause fire or electric shock.

· If you detect smoke or a strange smell coming

from the unit.

· If water or any metallic object gets into the unit

· If the unit falls, or the unit case breaks

· If it is malfunctioning (no tone sounds.)

1. SAFETY PRECAUTIONS

• Be sure to read the instructions in this section carefully before use.

• Make sure to observe the instructions in this manual as the conventions of safety symbols and messages

regarded as very important precautions are included.

• We also recommend you keep this instruction manual handy for future reference.

Safety Symbol and Message Conventions

Safety symbols and messages described below are used in this manual to prevent bodily injury and property

damage which could result from mishandling. Before operating your product, read this manual first and

understand the safety symbols and messages so you are thoroughly aware of the potential safety hazards.

673 505

394

Unit: mm

Note: The SR-M3L's design is in a mirror image of the above illustration.

[SR-M3R External Dimensions]

Indicates a potentially hazardous situation which, if mishandled, could

result in death or serious personal injury.

Indicates a potentially hazardous situation which, if mishandled, could

result in moderate or minor personal injury, and/or property damage.

WARNING

CAUTION

WARNING

2. GENERAL DESCRIPTION

TOA's SR-M3L and SR-M3R stage monitor speakers are especially designed for touring applications.

They feature high sound quality, high power handling capacity, and robust construction that protects the unit

from damage during transportation and setup.

3. FEATURES

•Both the SR-M3L and SR-M3R are single-amp driven speaker systems with passive internal networks.

The speakers can also be easily converted to "biamp" operation by changing the unit's internal wiring.

•Internal 38 cm woofer having a large 20 cm magnet

•The tweeter features a large, high-power driver, a titanium diaphragm, and a 40°horizontal x 60°vertical

constant directivity horn.

•Neutrik NL4MP connectors are used to facilitate and ensure tight cable connections. Two Neutrik connectors

are provided to permit parallel speaker connections.

4. NEUTRIK CONNECTORS AND THEIR WIRING DIAGRAM

•The Neutrik input connectors are shown at right.

Because both connectors are internally connected in parallel,

either connector may be used for connection.

•For wiring of the NL4MP connector pins, refer to the table on

the right.

•The Neutrik connector (on the cable side) that can match to

the NL4MP is the NL4FC.

Wiring diagram

When the Unit is in Use

•Do not operate the unit for an extended period of

time with the sound distorting. This is an indication

of a malfunction, which in turn can cause heat to

generate and result in a fire.

•Do not stand or sit on, nor hang down from the unit

as this may cause it to fall down or drop, resulting

in personal injury and/or property damage.

Input connector

NL4MP

Input connector

NL4MP

Speaker (+)

Speaker (

)

Pin No. SR-M3L/SR-M3R

1 + Speaker +

1 –Speaker –

2 +

2 –

CAUTION

Front grille mounting screw

(

marked with an arrow

)

Front grille

Speaker with its woofer and horn removed

Connector

Circuit board

Connector

（Circuit board side）

Supplied lead wire

connector

Connector inside

an enclosure

5. ABOUT BIAMP OPERATION

5.1. How to Change the Unit's Internal Wiring

Both the SR-M3L and SR-M3R are single-amp driven speaker systems, but they can also be easily converted

to "biamp" operation by changing the unit's internal wiring.

Step 1. Remove the front grille mounting screws

(6 places) to detach the grille.

Step 2. Detach the woofer and horn by removing

their mounting screws (8 pieces each).

Step 3. Disconnect the connector inside an

enclosure.

Step 4. Remove lead wires of the woofer and driver.

Step 5. Bundle circuit board side wires of the

connector disconnected in Step 3 and wires

removed in Step 4 together near the circuit

board.

Step 6. Insert the supplied lead wire with a connector

into the connector inside the enclosure

disconnected in Step 3.

Step 7. Connect the supplied lead wires to the

woofer and driver as shown in the table.

Step 8. Reattach the woofer and horn using screws.

Step 9. Reattach the front grille using the front grille

mounting screws.

5.2. Input Connector Pin Assignment for Biamp Operation

Lead Wire Color Speaker

Green Woofer, red push terminal (+)

Black Woofer, black push terminal (–)

Red Driver, + terminal

White Driver, –terminal

Pin No. SR-M3L/SR-M3R

1 + LOW +

1 –LOW –

2 + HIGH +

2 –HIGH –

6. SPECIFICATIONS

* Pink noise input: 50 – 20,000 Hz, 24 hours

Note: The design and specifications are subject to change without notice for improvement.

• Accessory

Lead wire with connector for biamp operation connection ...... 1

Enclosure Type Bass-reflex type

Power Handling Capacity Continuous pink noise: 200 W*

Continuous program: 600 W

Rated Impedance 8 Ω

Output Sound Pressure Level 100 dB (1 W, 1m)

Frequency Response 65 – 20,000 Hz

Crossover Frequency 1 kHz (passive network)

Internal Speaker Low frequency: 38 cm diameter cone speaker

High frequency: Compression driver

Horn Constant directivity horn: 40° horizontal x 60° vertical

Input Connector Neutrik NL4MP x 2

Enclosure Material Plywood

Finish Enclosure: Black, paint

Grille: Black, acryl-painted

Dimensions 673 (w) x 394 (h) x 505 (d) mm

Weight 34 kg

Input connector

NL4MP

Input connector

NL4MP

Green (+)

Black (

)

Red (+)

White (

)

LOW (Woofer)

HIGH (Driver)

INPUT HIGH

LOW

DP-0204 (SR)

SR-M3L, SR-M3R

Power amplifier

5.3. Biamp Operation Wiring Diagram

5.4. Biamp Operation Connection

133-01-425-3A

URL: http://www.toa.jp/

Traceability Information for Europe (EMC directive 2004/108/EC)

Manufacturer:

TOA Corporation

7-2-1, Minatojima Nakamachi, Chuo-ku, Kobe, Hyogo,

Japan

Authorized representative:

TOA Electronics Europe GmbH

Suederstrasse 282, 20537 Hamburg,

Germany

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