Niles Audio SI-275 manual Front and Rear Panel Details

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Front and Rear Panel Details

Red “Power” LED confirms the amplifier is

Green “Active” LED lights when the

connected to a live AC power outlet and

amplifier circuitry has been turned on by

that the master power switch is on.

the Turn-On circuits.

Front panel “Master Power” switch turns off the entire amplifier, including the Turn-On circuitry.

Main Inputs enable you to route a stereo line level source to the SI-275.

“Turn-On Mode” switch

3.5 mm mini-jack for voltage input.

The red “Protect” LED indicates the amp has shut down because there is a fault in the speaker, the wiring, or with the SI-275 itself.

Cascade Outputs of the main input enable you to daisy chain multiple amplifiers.

3.5mm mini-jack for 12V DC control output.

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Contents Systems Integration Amplifier Table of contents CongratulationsIntroduction Features and Benefits Automatic Protection Status Display for TroubleshootingTurn-On Modes Control OutputInstallation Considerations PlacementTurn-On Modes Multiple Speaker Loads Niles SI-275 Niles HPS-6 Speaker Selection SystemCable and Wire Tech TIPFront and Rear Panel Details Power cord Installation Setting the Turn-On Mode SwitchSpeaker Wire Connections Bare WireLine Level Audio Input Cascade Audio OutputsAC Power Plug Wall outletOperation TroubleShooting Guide Symptom Possible Causes and Test ProcedureTroubleshooting guide Specifications Continuous Average Power OutputNiles Audio Corporation
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SI-275 specifications

The Niles Audio SI-275 is a high-performance stereo amplifier designed to meet the demands of both residential and commercial audio systems. Known for its reliability and sound quality, the SI-275 offers a range of features that make it a suitable choice for various audio applications, from home theaters to multi-room audio systems.

One of the standout features of the SI-275 is its robust power output. The amplifier delivers up to 75 watts per channel at 8 ohms, ensuring that it can drive a wide range of speakers with high efficiency. This power output expands to 100 watts per channel at 4 ohms, making it versatile enough to handle different speaker impedances. The SI-275 is equipped to deliver dynamic sound with clarity and detail, whether listening to music or watching movies.

The amp incorporates advanced technologies that enhance its performance. It utilizes a Class A/B design, which balances power efficiency and sound quality. This design ensures low distortion and high fidelity, resulting in an immersive listening experience. The SI-275 also features a built-in protection circuit that safeguards against thermal overload and short circuits, which is crucial for ensuring long-term reliability.

In addition to its power and efficiency, the SI-275 is designed with ease of use in mind. It includes both RCA and balanced XLR inputs, allowing for versatile connectivity options with various audio sources. The front panel includes LED indicators that provide status information, making it simple to monitor the unit's performance. Furthermore, the amplifier is equipped with a 12V trigger input and output, allowing for easy integration with other components in a home audio system.

The SI-275's compact and sturdy design contributes to its adaptability in different environments. Its rugged construction ensures durability, while the sleek finish allows it to blend seamlessly into any décor, whether in a rack-mounted setup or displayed openly in a living space.

Overall, the Niles Audio SI-275 stereo amplifier stands out as a reliable and high-quality option for audio enthusiasts. With its powerful output, advanced technologies, and user-friendly features, it delivers impressive sound performance that meets the needs of various audio applications, making it a worthy investment for anyone looking to enhance their audio experience.
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