Introducing the Optimus STA-3500

Your Optimus STA-3500 Digital Synthesized AM/FM Stereo Receiver is the per- fect control center for your audio/video system. It combines 100 watts-per-chan- nel of clean power with modern styling. It provides connections for two tape decks, a turntable, a CD player, and one other audio source, such as audio from a digital video disk (DVD) player. You can also connect up to two pairs of speak- ers (not provided) to your receiver.

Additional features include:

Digital-Synthesized Tuner Precisely tunes to AM and FM stations.

Automatic Tuning Lets you search for the next available FM station.

30 Memory Locations Let you store and recall the frequencies for up to 30 radio stations.

Tape Monitoring Lets you listen to the actual recording as you record, if your tape deck has a tape-monitoring feature. Also lets you listen to a tape playing in TAPE 2 while TAPE 1 continues to record the program you selected.

Built-In Protection Circuits Turn off the receiver to help prevent damage if a power surge or short circuit occurs.

Remote Control Lets you use a single remote control for the receiver and other compatible com- ponents connected to the receiver.

We recommend you record the receiver’s serial number here. The serial number is on the receiver’s back panel.

Serial Number:_____________________________________________

©1996 Tandy Corporation. All Rights Reserved.

Optimus is a registered trademark used by Tandy Corporation.

RadioShack is a trademark used by Tandy Corporation.

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Optimus owner manual Introducing the Optimus STA-3500
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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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