Toa A-706, A-712, A-724 User Manual

OPERATING INSTRUCTIONS
700 SERIES AMPLIFIERS
A-706, A-712, A-724
Thank you for purchasing TOA's 700 Series Amplifiers.
Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.
1. IMPORTANT SAFETY INSTRUCTIONS ........................................................................................ 2
2. SAFETY PRECAUTIONS ............................................................................................................... 2
3. GENERAL DESCRIPTION ............................................................................................................. 4
4. FEATURES ..................................................................................................................................... 4
5. NOMENCLATURE AND FUNCTIONS
Front ................................................................................................................................................ 4
Rear ................................................................................................................................................ 5
6. CONNECTIONS
6.1. Speaker Connections ............................................................................................................... 6
6.2. Remote Volume Control Connection ........................................................................................ 6
6.3. Remote Power ON/OFF Control Connection ........................................................................... 7
6.4. Mute Control Connection ......................................................................................................... 7
6.5. External Equipment Connection to the PRE AMP OUT and PWR AMP IN Terminals ............ 7
7. INSTALLATION .............................................................................................................................. 7
8. RACK MOUNTING ......................................................................................................................... 8
9. CONTROL SETTINGS ................................................................................................................... 8
10. DIMENSIONAL DIAGRAM ............................................................................................................. 8
11. BLOCK DIAGRAM ......................................................................................................................... 9
12. SPECIFICATIONS ........................................................................................................................ 10
Accessories ................................................................................................................................... 10
Optional products .......................................................................................................................... 10
TABLE OF CONTENTS

Toa A-706, A-712, A-724 Specifications

General

Frequency Response	50 Hz - 20 kHz (±3 dB)
Dimensions	A-706: 210W x 70H x 160D mm, A-712: 210W x 70H x 160D mm, A-724: 210W x 70H x 160D mm
Weight	A-706: 6.7 kg (14.77 lb) A-712: 7.3 kg (16.09 lb) A-724: 8.2 kg (18.08 lb)
Tone Control	Bass: ±10dB at 100Hz, Treble: ±10dB at 10kHz
Control	Bass, Treble, Volume
Indicator	Power
Operating Temperature	+40°C
Finish	Metal case

Summary

Safety Information and Precautions

General Safety Instructions

Covers essential safety instructions for operating the equipment safely and preventing hazards.

Safety Symbols and Warning Levels

Explains warning symbols (Lightning, Exclamation, CAUTION) and their significance.

Installation and Operational Safety

Provides guidelines for safe installation and operation, including environmental considerations.

General Description and Features

Product Overview

Details the general description of the 700 Series amplifiers and their applications.

Key Features

Highlights the main functionalities and capabilities of the amplifier models.

Front Panel Nomenclature and Functions

Front Panel Controls and Indicators

Identifies and explains the controls, indicators, and their functions on the front panel.

Rear Panel Components and Connections

Rear Panel Interface Details

Details all rear panel connectors, terminals, switches, and their respective functions.

System Connections

Speaker Output Connections

Explains how to connect speakers to the amplifier's output terminals.

Remote Control Connections

Details connections for remote volume and power control using terminal blocks.

External Equipment Integration

Describes connecting external signal processors via PRE AMP OUT and PWR AMP IN.

Installation and Setup

Unit Installation Guidelines

Provides instructions on proper unit placement and ventilation for optimal operation.

Rack Mounting Procedure

Details the process of mounting the amplifier unit in a standard 19-inch equipment rack.

Control Settings and Adjustments

Guides on setting input levels, tone controls, and preventing accidental changes.

Dimensional and Block Diagrams

Presents physical dimensions and a functional block diagram of the amplifier.

Technical Specifications

A-706 Specifications

Lists detailed technical specifications for the A-706 model.

A-712 Specifications

Lists detailed technical specifications for the A-712 model.

A-724 Specifications

Lists detailed technical specifications for the A-724 model.