Niles Audio SI-2125 manual Line Level Audio Input, Cascade Audio Outputs

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Installation

Line Level Audio Input

Caution! The amplifier must be off whenever you make changes to the input connections.

STEP

1.Label all of the interconnecting cables for the sources they connect to.

2.Connect the sources by inserting the RCA plugs into the amplifier’s jacks.

DESCRIPTION

Use audio patch cables with RCA phono plugs attached to the ends.

Connect outputs from your sources to inputs on the amplifier. Never connect a source or preamplifier’s input (e.g., record inputs) to the inputs of your SI-2125.

Cascade Audio Outputs

The “Cascade Audio Outputs” enable you to connect another amplifier to your preamplifier output. The connectors are gold-plated RCA phono jacks. Connect them to another amplifier’s inputs with a standard audio patch cable. The outputs are not buffered; if you wish to daisy-chain more than 5 Niles amplifiers you will need a Niles AVDA-3 buffered distribution amplifier. A single AVDA-3 will allow you to daisy-chain 5 amplifiers from each of its 3 outputs, allowing 15 SI-2125 power amplifiers to be fed from the same master preamplifier. If your preamp has a vacuum tube output stage, you must use a Niles AVDA-3 to drive

more than a single SI-2125.

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Contents Systems Integration Amplifier Congratulations Introduction Features and Benefits Turn-On Modes Status Display for TroubleshootingBridged Mode Automatic ProtectionInstallation Considerations PlacementInstallation Tech TIP Multiple Speaker LoadsCable and Wire Niles SI-2125Le anP ar dFontRean Dtails Binding posts for speaker connections Installation Setting the Turn-On Mode SwitchSpeaker Wire Connections InstallationLine Level Audio Input Cascade Audio OutputsAC Power Plug Supplied AC cord into the IECOperation TroubleShooting Guide Symptom Possible Causes and Test ProcedureHsel booting trou De gui Specifications Continuous Average Power OutputNiles Audio Corporation
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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.