Radio Shack MPA-125 owner manual Care and Maintenance

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32-2003.fm Page 16 Tuesday, March 28, 2000 10:45 AM

ˆCare and Maintenance

Your RadioShack MPA-125 100-Watt PA Amplifier is an example of superior design and craftsmanship. The following suggestions will help you care for your amplifier so you can en- joy it for years.

Keep the amplifier dry. If it gets wet, wipe it dry immediately. Liquids might con- tain minerals that can corrode the electronic circuits.

Use and store the amplifier only in normal temperature environments. Temper- ature extremes can shorten the life of electronic devices and distort or melt plastic parts.

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

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

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

Modifying or tampering with the amplifier’s internal components can cause a malfunction and might invalidate its warranty. If your amplifier is not performing as it should, take it to your lo- cal RadioShack store for assistance.

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Contents MPA-125 100-Watt PA Amplifier Contents Features Master Volume Control lets you adjustPresetting the Controls Presetting Audio Input DevicesPresetting the Amplifier PreparationConnecting Input Sources Connecting MicrophonesConnections Mounting the AmplifierConnecting a Turntable Connecting the MIX BUS Jack Connecting an Auxiliary Sound SourceConnecting an Equalizer Connecting Speakers Determining Total Speaker ImpedanceConnecting Only One Speaker Preparing the Speaker WireConnecting Two Speakers In Series Connecting Two Speakers In Parallel Connecting Four Speakers In Series/Parallel CombinationConnecting Speakers with Trans- formers Transformers offer these advantagesUsing Your Amplifier Connecting PowerSafety Indicators Using AN EqualizerMonitoring the Sound Sources Listening SafelyUsing the Feedback Filter Troubleshooting Symptom Possible Cause SuggestionCare and Maintenance Replacing the Fuse FCC Wants YOU to KnowSpecifications Fm Page 19 Tuesday, March 28, 2000 1045 AM Limited One-Year Warranty

MPA-125 specifications

The Radio Shack MPA-125 is a versatile and powerful amplifier that was designed to meet the demands of audio enthusiasts and professionals alike. Renowned for its robust performance and reliability, the MPA-125 has garnered a reputation as a dependable choice for a variety of sound applications, from home audio systems to live sound reinforcement.

One of the standout features of the MPA-125 is its impressive power output. With a rating of 125 watts per channel at 8 ohms, this amplifier ensures that audio signals are delivered with clarity and precision, making it suitable for driving a wide range of speakers. The 2-channel design allows for stereo applications, providing a rich and immersive listening experience. Additionally, the MPA-125 can operate at a low impedance, ensuring compatibility with various speaker configurations.

The MPA-125 is equipped with several advanced technologies that enhance its performance. The built-in thermal protection circuit safeguards the amplifier from overheating, allowing it to operate efficiently even during extended use. The amplifier also features a soft clipping circuit, which prevents distortion during peak output levels, ensuring that audio quality remains consistent and clear at high volumes.

User-friendly design is another hallmark of the MPA-125. The front panel includes easy-to-use volume controls, indicator lights, and speaker output terminals. The amplifier is designed for straightforward integration into existing audio setups, making it accessible for users of all experience levels. The balanced XLR inputs provide a secure and noise-free connection, ideal for professional audio applications.

Constructed with high-quality components, the MPA-125 is built to last, ensuring longevity and sustained performance over time. Its compact form factor makes it easy to incorporate into various environments, from home theaters to portable sound systems.

Overall, the Radio Shack MPA-125 is a reliable and powerful amplifier that brings out the best in audio equipment. Its combination of solid performance, user-friendly features, and advanced technologies makes it an excellent choice for anyone looking to elevate their audio experience, whether for casual listening or professional use.
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