TOA Electronics AM-821 instruction manual Contents, General Description, Features

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CONTENTS

GENERAL DESCRIPTION

2

FEATURES

2

PRECAUTIONS

3

USER CARE

3

PART DESCRIPTION

4

CONNECTIONS

5

RECORDING PROCEDURE

6

CONFIRMATION OF RECORDING

7

AUTOMATIC PLAYBACK PROCEDURE

8

MICROPHONE PAGING AND ORDER OF PRIORITY

8

TROUBLE-SHOOTING

9

SPECIFICATIONS

10

DIMENSIONS

11

GENERAL DESCRIPTION

The TOA AM-821 fully automatic spot announcing machine is designed for use where recorded tape

messages are required to be repeated at specific time intervals or on command during background music play. Instant live announcements may also be made. Designed for easy operation using normal cassette tape. Unrecorded sound section necessary for automatic playback can be easily made in the tape. Also, the

built-in AGC keeps output levels constant and you can turn out message tapes for yourselves. You can skip

unneccessary messages between the first and the ninth message if you wish.

The AM-821 has a built-in timer for distributing the message at prearranged intervals. The message tape may also be played at specific time intervals by using an external timer.

The microphone may be used for both recording and paging. Paging level can be kept constant by the built-in AGC.

Remote control of the cassette operation during recording is possible with the RM-820 optinal remote microphone.

Fitted with an input terminal for background music and the announcement takes precedence of the background music.

Can be mounted on the 19" rack cabinet with the help of optional mounting brackets.

FEATURES

1.Permits any normal type of cassette tape

2.Priority function overriding BGM

3.Message omit selectors

4.Built-in interval timer

5.Built-in AGC circuit

6.Balanced, transformer isolated output

7.Rack mountable with optional brackets

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Contents Spot Announcing Machine General Description ContentsFeatures User Care PrecautionsCleaning the Front Panel Handling Cassette TapesAuto Switch Part DescriptionConnects to a power cord ConnectionsRecording Procedure Transmitted to the amplifierCompleted Tape After Recording Procedure Confirmation of RecordingManual mode Microphone Paging and Order of PriorityTROUBLE-SHOOTING RemedySpecifications Dimensions mm TOA Corporation

AM-821 specifications

The TOA Electronics AM-821 is a state-of-the-art digital amplifier that has gained recognition in the audio industry for its exceptional performance and innovative features. Designed for various professional applications, the AM-821 is particularly suited for public address systems, commercial sound reinforcement, and various installations in schools, auditoriums, and venues requiring high-quality audio.

One of the standout features of the AM-821 is its robust power output. With a maximum output of 120 watts per channel at 4 ohms, it ensures reliable sound distribution in larger spaces without distortion. The amplifier is engineered to handle a wide range of audio signals, making it versatile for different sound sources. It is equipped with a built-in mixer that allows for control of microphones and other audio inputs, making it ideal for live events or permanent installations.

The AM-821 incorporates advanced technologies such as digital signal processing (DSP) which enhances sound quality and provides precise control over audio characteristics. This technology allows users to adjust equalization settings, loudness, and delay, ensuring crystal-clear sound that adapts to the environment. In addition, the amplifier features a low-noise cooling system that enhances its efficiency, prolonging the lifespan of the equipment while remaining quiet during operation.

Another essential characteristic of the AM-821 is its user-friendly interface. It includes intuitive controls and LED indicators that facilitate easy operation and monitoring of performance. The amplifier offers multiple input options, including XLR, RCA, and 1/4-inch jacks, providing flexibility for various audio setups. Its compatibility with TOA’s other products creates a cohesive and scalable system for users looking to expand their audio capabilities over time.

The robust build quality and sleek design of the AM-821 make it not only a powerful performer but also an aesthetically pleasing addition to any audio setup. Its compact form factor allows for easy integration into existing systems without occupying excessive space.

In summary, the TOA Electronics AM-821 amplifies modern audio solutions through its powerful output, advanced digital processing technologies, user-friendly interface, and versatile connectivity options. Ideal for professionals seeking quality, reliability, and versality, the AM-821 demonstrates TOA’s commitment to excellence in audio engineering.