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Toa WA-1822 - User Manual

Toa WA-1822
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INSTRUCTION MANUAL
MEETING AMPLIFIERS WA-1822
WA-1822C
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.
This instruction manual covers TOA's WA-1822 and WA-1822C Meeting Amplifiers, which can be used
with the following tuner units. Please make sure that only the specified tuner units are used.
Model No. Product Name
The Number of
Tuner Unit Model No.
Mountable Tuner Units
WA-1822
Diversity Meeting Amplifier
2 WTU-4800, WTU-3800
WA-1822C
Diversity
Meeting
Amplifier
with Cassette
WA-1822C
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Summary

Safety Precautions

When Installing the Unit

Safety guidelines for setting up the amplifier, including connection and placement.

When the Unit is in Use

Safety precautions and warnings to observe during the operation of the amplifier.

General Description

Features

Hints for Better Use

Positioning Orientation

Advice on orienting the unit for optimal sound and feedback avoidance.

Location Recommendations

Guidance on placing the unit for better sound clarity and microphone range.

Avoiding Dead Points

Explains how to avoid signal loss due to radio reflections.

Radio Signal Interference

Advises keeping the unit away from sources of high-frequency noise.

Wireless Microphone Distance

Recommends maintaining a minimum distance for wireless microphones.

Nomenclature and Functions

Front Panel Controls

Identifies and explains front panel components and controls.

Top Panel Controls

Identifies and explains top panel components and controls.

Rear Panel Terminals

Identifies and explains rear panel terminals and connections.

Battery Compartment

Details the location and function of the battery compartment.

Tuner Receptacles

Describes the wireless tuner installation slots.

About the Power Source

Using AC Power Supply

How to connect and use the unit with an AC power outlet.

Using Batteries

Details on battery types, installation, replacement, and usage guidelines.

Using a Wired Microphone

Using a Wireless Microphone

Tuner Unit Installation

Procedure for inserting wireless tuner units into the amplifier.

Frequency Setting

How to set channels for wireless microphones to avoid interference.

Using the Cassette Deck

Cassette Deck Controls

Identifies and explains the functions of the cassette deck buttons and controls.

Playback Operation

Instructions for playing audio from a cassette tape.

Tape Handling Operations

Procedures for fast-forwarding, rewinding, and stopping the tape.

Recording Cassette Tapes

Steps for recording audio onto cassette tapes.

Cue Function

Explanation of how to use the cue function to find silent tape sections.

Operating Modes

Details on the different tape playback and recording modes available.

Cleaning (WA-1822 C only)

Cleaning Head, Capstan, Pinch Roller

Instructions for cleaning the cassette deck's playback and erase heads.

Demagnetizing the Head

Procedure for demagnetizing the recording/playback head to prevent noise.

About Cassette Tapes

About External Equipment

Using External Speaker

Guidelines for connecting and using external speakers with the unit.

Using External CD Player;Cassette Deck (Playback)

Instructions for connecting external audio sources for playback.

Using External Amplifier;Cassette Deck (Recording)

Instructions for connecting external devices for recording audio.

Troubleshooting

Specifications

Summary

Safety Precautions

When Installing the Unit

Safety guidelines for setting up the amplifier, including connection and placement.

When the Unit is in Use

Safety precautions and warnings to observe during the operation of the amplifier.

General Description

Features

Hints for Better Use

Positioning Orientation

Advice on orienting the unit for optimal sound and feedback avoidance.

Location Recommendations

Guidance on placing the unit for better sound clarity and microphone range.

Avoiding Dead Points

Explains how to avoid signal loss due to radio reflections.

Radio Signal Interference

Advises keeping the unit away from sources of high-frequency noise.

Wireless Microphone Distance

Recommends maintaining a minimum distance for wireless microphones.

Nomenclature and Functions

Front Panel Controls

Identifies and explains front panel components and controls.

Top Panel Controls

Identifies and explains top panel components and controls.

Rear Panel Terminals

Identifies and explains rear panel terminals and connections.

Battery Compartment

Details the location and function of the battery compartment.

Tuner Receptacles

Describes the wireless tuner installation slots.

About the Power Source

Using AC Power Supply

How to connect and use the unit with an AC power outlet.

Using Batteries

Details on battery types, installation, replacement, and usage guidelines.

Using a Wired Microphone

Using a Wireless Microphone

Tuner Unit Installation

Procedure for inserting wireless tuner units into the amplifier.

Frequency Setting

How to set channels for wireless microphones to avoid interference.

Using the Cassette Deck

Cassette Deck Controls

Identifies and explains the functions of the cassette deck buttons and controls.

Playback Operation

Instructions for playing audio from a cassette tape.

Tape Handling Operations

Procedures for fast-forwarding, rewinding, and stopping the tape.

Recording Cassette Tapes

Steps for recording audio onto cassette tapes.

Cue Function

Explanation of how to use the cue function to find silent tape sections.

Operating Modes

Details on the different tape playback and recording modes available.

Cleaning (WA-1822 C only)

Cleaning Head, Capstan, Pinch Roller

Instructions for cleaning the cassette deck's playback and erase heads.

Demagnetizing the Head

Procedure for demagnetizing the recording/playback head to prevent noise.

About Cassette Tapes

About External Equipment

Using External Speaker

Guidelines for connecting and using external speakers with the unit.

Using External CD Player;Cassette Deck (Playback)

Instructions for connecting external audio sources for playback.

Using External Amplifier;Cassette Deck (Recording)

Instructions for connecting external devices for recording audio.

Troubleshooting

Specifications

Toa WA-1822 Specifications

General IconGeneral
Power Output20 W
Rated Output20 W
Speaker Impedance4 - 16 Ω
Signal-to-Noise Ratio50 dB or more
InputsMic × 2, Aux × 1
Outputs4 - 16 Ω speaker
Input ImpedanceAux: 10 kΩ
Total Harmonic Distortion3% or less (1kHz, 20W)

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