Care and Maintenance

Your STA-3500 Digital Synthesized AM/FM Stereo Receiver is an example of superior design and craftsmanship. The following suggestions will help you care for the receiver so you can enjoy it for years.

CLEANER

Keep the receiver dry. If it gets wet, wipe it dry immediately. Liquids can contain minerals that can corrode the electronic circuits.

Handle the receiver gently and carefully. Dropping it can damage its circuit boards and can cause the receiver to work improperly.

Use and store the receiver only in normal temperature environments. Tempera- ture extremes can shorten the life of electronic devices, damage batteries, and distort or melt plastic parts.

Keep the receiver away from dust and dirt, which can cause premature wear of parts.

Wipe the receiver with a damp cloth occasionally to keep it looking new. Do not use harsh chemicals, cleaning solvents, or strong detergents to clean the receiver.

Use only fresh batteries of the recommended size and type in the remote con- trol. Always remove old or weak batteries. They can leak chemicals that can destroy electronic circuits.

Modifying or tampering with your receiver’s internal components can cause a malfunction and might invalidate the receiver’s warranty and void your FCC authorization to operate it. If the receiver is not operating as it should, take it to your local RadioShack store for assistance.

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Optimus STA-3500 owner manual Care and Maintenance
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STA-3500 specifications

The Optimus STA-3500 is a high-performance, compact stereo amplifier that has gained popularity among audiophiles and home theater enthusiasts. Known for its exceptional sound quality and robust construction, the STA-3500 is designed to deliver impressive audio performance without compromising on style or functionality.

One of the standout features of the STA-3500 is its efficient Class D amplification technology. This technology allows the amplifier to deliver high power output while maintaining low heat generation and energy consumption. The STA-3500 can produce up to 50 watts per channel into an 8-ohm load, making it suitable for driving a wide range of speakers, from compact bookshelf models to larger floor-standing units.

The amplifier is equipped with advanced circuitry that ensures minimal distortion and enhanced audio clarity. It utilizes sophisticated filtering techniques, which contribute to a clean, dynamic sound, making it an excellent choice for music enthusiasts who demand the best audio experience. The STA-3500 also features a wide frequency response, allowing it to reproduce low bass notes and high-frequency details with precision.

In terms of connectivity, the STA-3500 provides multiple input options, including RCA and AUX inputs, making it versatile for various audio sources such as CD players, smartphones, and TVs. Additionally, it includes speaker outputs that are compatible with standard banana plugs, spade connectors, or bare wire, ensuring seamless integration into any audio setup.

The build quality of the STA-3500 is another highlight. The amplifier is housed in a sturdy metal chassis that not only enhances its durability but also helps reduce electromagnetic interference. Its sleek design, complete with a brushed aluminum front panel, allows it to fit elegantly into any contemporary audio system.

Lastly, the Optimus STA-3500 features user-friendly controls, including a volume knob and input select switch located on the front panel. This accessibility makes it easy for users to adjust settings on the fly, enhancing the overall listening experience.

In summary, the Optimus STA-3500 is a powerful and compact stereo amplifier that combines advanced Class D technology with high-quality construction. With its impressive power output, minimal distortion, and versatile connectivity options, it stands out as a top choice for anyone looking to elevate their audio experience.
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