OPERATING INSTRUCTIONS

SPOT ANNOUNCING MACHINE

AM-821

WARNING (120V MODEL ONLY)

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.

TOA Corporation

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TOA Electronics AM-821 instruction manual Spot Announcing Machine

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.