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Toa A-2120 SA User Manual

Toa A-2120 SA
12 pages
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A-2030 L A-2030 H A-2030 SA
A-2060 L A-2060 H A-2060 SA
A-2120 L A-2120 H A-2120 SA
A-2240 L A-2240 H A-2240 SA
OPERATING INSTRUCTIONS
PA AMPLIFIERS
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 Corporation
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Toa A-2120 SA Specifications

General IconGeneral
Power Output120W
Rated Output120W
MutingMIC 1: Mutes other input signals by 0 - 30 dB attenuation
IndicatorPower, Signal, Peak
Total Harmonic DistortionUnder 1%
Signal to Noise Ratio60dB
Power SourceAC 220 - 240 V, 50/60 Hz
InputMic x 4, AUX x 2
Tone ControlBass: ±10 dB at 100 Hz, Treble: ±10 dB at 10 kHz
Operating Temperature-10°C to +40°C
FinishPanel: ABS resin, black/Case: Steel plate, black
Input ImpedanceMic: 600 Ω, Aux: 10 kΩ
Output Impedance4 Ω
Input SensitivityMic: -60 dB, Aux: -20 dB
OutputSpeaker Output (Terminal Block)

Summary

Important Safety Instructions

Safety Precautions

Safety Symbol and Message Conventions

Explains symbols like exclamation point and WARNING for potential hazards and proper use.

When Installing the Unit

Precautions for installation, avoiding rain, using specified voltage, cord handling, and unstable locations.

General Description

Features

Nomenclature and Functions

Front Panel Controls

Identifies and describes front panel controls and indicators like Power Switch, Volume Controls, and signal indicators.

Rear Panel Connections

Identifies and describes rear panel connections and terminals like Output Terminals, Input Jacks, and Ground Terminal.

Muting Function

Connections

Input Connections

Details on connecting microphones (dynamic, phantom power) and AUX sources using phone and RCA jacks.

Output Connections

Explains how to connect low impedance, 70V, and 100V line speakers, including safety cautions.

External Equipment Connections Examples

Provides diagrams showing connections for microphones, tuners, cassette players, and speakers.

Installation

Volume Control Settings

Block and Level Diagram

Dimensional Diagram

Specifications

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