Niles Audio SI-1260 Twelve to Six Channel Configurable Power, Freedom From Noise and Cross-Talk

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Twelve to Six Channel Configurable Power

Each of the SI-1260's six adjacent output pairs are bridgeable. You can create up to six 120-watt channels by setting the bridging switch to the "BRIDGED" position. These switches are located at the top of the rear panel (see Page 21 Figure 16). Bridging enables you to double the power to specific speaker locations, including large rooms and outdoor applications.

Freedom From Noise and Cross-Talk

The unique design of the SI-1260's Dual Input BusMatrix™ PC board ensures extremely high channel-to-channel isolation. Signal-to-noise ratio and cross-talk specifications are comparable to those of mixing consoles used in professional recording studios. With the SI-1260, the music playing in the living room will not interfere with the music playing in the den.

Independent Level Controls

Each channel has its own independent volume level control, enabling you to individually adjust the setting for up to twelve different speaker locations for opti- mum audio performance, providing uniform sound in every room.

Turn-On Modes

The SI-1260 features three selectable turn-on modes: (1) manual turn-on via the front panel switch, (2) microcontroller enhanced audio sensing which activates only the appropriate amplifier channels while leaving unused channel pairs off to eliminate cross talk and (3) a 3-30 volt AC/DC voltage trigger input which enables voltage acti- vation. Audio Sense and External Voltage trigger modes enable you to configure the SI-1260 to turn on automatically in any kind of system configuration.

DB25 Audio & Voltage Trigger inputs

The SI-1260 incorporates a DB25 input connector to reduce wiring and installa- tion time when using Niles Systems Integration Electronics. Niles multi-zone pre- amplifiers are equipped with a mating DB25 output connector. This output con- nector provides 6 zones of line-level audio signal output and a 12V Trigger Voltage for reliable amplifier activation.

Designed in the USA

The Niles SI-1260 was designed in the USA by Niles engineers and includes a two year parts and labor warranty.

FEATURES AND BENEFITS

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Contents Systems Integration Amplifier Congratulations Table of ContentsIntroduction IntroductionFeatures and Benefits Features and BenefitsFreedom From Noise and Cross-Talk Twelve to Six Channel Configurable PowerIndependent Level Controls Turn-On ModesSingle Zone System Design BasicsSystem Design Considerations Cable and WireSpeaker Compatibility Using Mono For Smoother Coverage Applications Advantages of Using The SI-1260 in a Single Zone SystemLow Cost Second Zone for CDs Creating a Low-Cost Second Zone Using a Dedicated SourceUsing a Dual Zone Receiver Using a Dual-Zone Receiver for Two Listening ZonesAdding Preamps To Create More Listening Zones Applications & System Design ConsiderationsDual BusMatrix Input Utilizing the Dual BusMatrix InputSample Configuration Worksheet Configuring Your SystemConfiguring Your System Installation Considerations Installation ConsiderationsPlacement AC Power Plug InstallationInstallation Line Level Audio InputsFront and Rear Panel DetailsFront and Rear Panel Details Label all wires Speaker Wire ConnectionsBanana plug to the black terminal One to the red terminalBusMatrix DIP Switches BusMatrix Input DIP Switch SettingsBridging Two Channels into One Control Output Setting the Turn-On Mode SwitchPower LED Indicator Front Panel Power SwitchOperation OperationSolid Green Channel Pair LED IndicatorsUsing Level Controls as Limiters Cleaning and Maintenance Listening at Higher VolumesTroubleshooting Guide Troubleshooting GuidePower LED is slowly VolumeSound is phasey Some or all channelsConfiguration Worksheet Configuration WorksheetSpecifications SpecificationsNiles Audio Corporation
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SI-1260 specifications

The Niles Audio SI-1260 is a high-performance multi-channel amplifier designed to deliver exceptional sound quality and power for home audio systems. Renowned for its reliability and versatility, this amplifier is perfect for both custom installations and standalone use, catering to audiophiles and casual listeners alike.

One of the standout features of the SI-1260 is its impressive power output. With 60 watts per channel at 8 ohms, this amp provides ample power to drive a variety of speakers, ensuring clear and dynamic sound reproduction across different genres of music and audio formats. For users who require additional power, the SI-1260 can deliver 100 watts per channel at 4 ohms, making it suitable for larger rooms and demanding setups.

The SI-1260 employs advanced Class D amplification technology, which is known for its efficiency and minimal heat generation. This not only leads to lower energy consumption but also allows for a more compact design—a crucial aspect for home installations where space can be at a premium. The amplifier’s compact size does not compromise its performance; it boasts a robust output that maintains sound integrity even at higher volumes.

Another significant advantage of the SI-1260 is its versatile connectivity options. Equipped with multiple inputs, including RCA and balanced XLR connections, users can seamlessly integrate it into their existing audio systems. This flexibility allows the amplifier to work well with a variety of audio sources, including home theater systems, whole-house audio systems, and more.

The SI-1260 also incorporates advanced protection circuitry, safeguarding against overloads, short circuits, and overheating. This ensures not only the longevity of the amplifier itself but also the longevity of connected speakers, providing peace of mind for users.

For those who appreciate ease of use, the Niles Audio SI-1260 features a universal control interface, allowing compatibility with remote control systems and automation. This makes it an ideal choice for smart home integrations, enhancing the user's overall audio experience.

In conclusion, the Niles Audio SI-1260 stands out as a feature-rich, powerful, and efficient multi-channel amplifier suitable for a wide range of audio applications. With its excellent power output, advanced Class D technology, versatile connectivity, and reliable protection features, it delivers high-quality sound that meets the demands of modern audio enthusiasts.
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