Niles Audio SI-275 manual Congratulations, Table of Contents

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CONGRATULATIONS!

Thank you for purchasing the Niles SI-275, one of the most flexible and conve- nient amplifiers ever offered. Like all Niles products, the SI-275 is built to the highest standards of quality control and reliability. With proper installation and operation, you'll enjoy years of trouble-free use.

Niles manufactures the industry's most complete line of custom installation compo- nents and accessories for audio/video systems. For a free full line catalog write:

Niles, Catalog Request, P.O. Box 160818, Miami, Florida 33116-0818

TABLE OF CONTENTS

 

INTRODUCTION

2

 

 

 

 

FEATURES AND BENEFITS

3

 

 

 

 

INSTALLATION CONSIDERATIONS

5

 

 

 

 

FRONT AND REAR PANEL DETAILS

9

 

 

 

 

INSTALLATION

11

 

 

 

 

OPERATION

15

 

 

 

 

TROUBLESHOOTING GUIDE

16

 

 

 

 

SPECIFICATIONS

18

 

 

 

 

 

 

CAUTION

CAUTION: TO REDUCE THE RISK OF ELECTRICAL SHOCK, DO NOT REMOVE COVER. NO USER-SERVICE- ABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated dangerous voltage within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.

The exclamation point within an equivalent triangle is intended to alert the user to the presence of important operating and maintnance (servicing) instructions in the literature accompaying the appliance.

CAUTION: TO PREVENT ELECTRICAL SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE SLOT, FULLY INSERT

ATTENTION: POUR EVITER LES CHOCS ELECTRIQUES, INTRODUIRE LAME LA PLUS LARGE DE LA FICHE DANS LA BOURNE CORRESONDANTE DE LA PRISE ET POUSSER JUSQU’AU FOND

WARNING: TO REDUCE THE RISK OF ELECTRICAL SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE

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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 On the rear of the amplifierOperation Troubleshooting Guide No sound on one channelTroubleshooting Guide Specifications Total Harmonic DistortionNiles 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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