Toa A-1712 User Manual

OPERATING INSTRUCTIONS
PA AMPLIFIER A-1706
A-1712
A-1724
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.

Toa A-1712 Specifications

General

Power Output	120 W
Power Source	AC 120 V, 60 Hz
Rated Output	120 W
Frequency Response	50 Hz - 20 kHz
Total Harmonic Distortion	Less than 1%
S/N Ratio	Over 60 dB
Tone Control	Bass: ±10 dB at 100 Hz Treble: ±10 dB at 10 kHz
Input Impedance	MIC 1-3: 600Ω, AUX 1-2: 10kΩ
Input Sensitivity	MIC 1-3: -60dB*, AUX 1-2: -20dB*

Summary

Safety Precautions

Installation Safety Guidelines

Safety guidelines for installing the amplifier to prevent hazards.

Operational Safety Guidelines

Safety precautions to follow during the operation of the unit.

General Description of PA Amplifiers

Key Amplifier Features

Nomenclature and Functions Overview

Front Panel Controls and Indicators

Identification and description of the front panel controls and indicators.

Rear Panel Connections and Components

Description of rear panel terminals, switches, and connectors.

Audio Connections and Wiring

Speaker Output Connections

Details on connecting speakers to the amplifier using impedance or voltage line outputs.

Remote Volume Control Connection

How to connect a remote volume control to the amplifier.

Remote Power ON/OFF Control Connection

How to connect a remote switch for power ON/OFF control.

External Equipment Connection to LINE OUT and PWR AMP IN

Connecting external processors between LINE OUT and PWR AMP IN for sound tailoring.

Function Switch Settings Guide

Speaker Zone Selection Operation

Amplifier Installation Best Practices

Rack Mounting the PA Amplifier

Adjusting Amplifier Controls

System Block Diagram

Technical Specifications and Ratings

Amplifier Dimensional Drawings