Niles Audio SI-2125 specifications Congratulations

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CONGRATULATIONS!

Thank you for purchasing the Niles SI-2125, one of the most flexible and convenient amplifiers ever offered. Like all Niles products, the SI-2125 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 components 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

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FEATURES AND BENEFITS

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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 Congratulations Introduction Features and Benefits Bridged Mode Status Display for TroubleshootingTurn-On Modes Automatic ProtectionPlacement Installation ConsiderationsInstallation Considerations Multiple Speaker Loads Tech TIPCable and Wire InstallationFront and Rear Panel Details IEC receptacle for AC power cord Setting the Turn-On Mode Switch InstallationBare Wire Speaker Wire ConnectionsCascade Audio Outputs Line Level Audio InputSupplied AC cord into the IEC AC Power PlugOperation Symptom Possible Causes and Test Procedure Troubleshooting GuideTroubleshooting Guide Specifications Niles Audio Corporation SI-2125
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SI-2125 specifications

The Niles Audio SI-2125 is a versatile and powerful amplifier designed to meet the demands of modern audio systems, whether for home theater setups or multi-room audio solutions. Offering robust performance and user-friendly features, it stands out in the crowded field of amplifiers.

At the heart of the SI-2125 is its high-power output capability, delivering 125 watts per channel at 8 ohms. This ensures that it can drive a wide range of speakers, providing clean and dynamic sound that enhances the listening experience. The amplifier operates efficiently, allowing it to run cool, reducing the risk of overheating during extended use.

One of the standout features of the SI-2125 is its versatile connectivity options. It comes equipped with multiple input options, including both balanced XLR and unbalanced RCA connections. This flexibility enables easy integration into various audio setups, whether it’s a dedicated home theater system or a more extensive multi-zone audio installation. The amplifier also includes a trigger input for automatic power on/off, which simplifies operation and enhances convenience.

The SI-2125 incorporates high-quality components that contribute to its impressive sound quality. It features a toroidal transformer, which is known for its efficiency and low electromagnetic interference, resulting in a cleaner sound. The amplifier also utilizes a distinctive Class AB design, which balances the advantages of both Class A and Class B amplification, providing ample power while maintaining excellent audio fidelity.

Another noteworthy characteristic of the SI-2125 is its robust build quality. The amplifier comes housed in a durable chassis, designed to minimize vibrations and protect the internal components. This not only enhances longevity but also helps maintain the integrity of the sound. The front panel features a sleek design with clearly labeled controls that provide easy access to essential functions, including volume control and input selection.

In addition to performance, the SI-2125 also supports a range of advanced features aimed at enhancing usability. This includes a unique feature set that accommodates various speaker configurations, allowing users to optimize their audio experience to suit their specific preferences and room acoustics.

Overall, the Niles Audio SI-2125 is an exceptional choice for anyone seeking a high-performance amplifier that combines power, versatility, and ease of use. Its impressive specifications and thoughtful design make it an ideal addition to any serious audio setup, ensuring that listeners can enjoy their favorite music and movies with remarkable clarity and fidelity.