INSTALLATION

INSTALLATION

Page 11

Setting The Turn-On Mode

Page 12

Line Level Audio Inputs

 

Switch

Page 13

Cascade Audio Outputs

 

 

Page 11

Control Output

Page 14 AC Power plug

 

 

Page 12

Speaker Wire Connections

 

 

Setting the Turn-On Mode Switch

The SI-275 has three turn-on modes. Select which mode you desire by sliding the mode switch. See Installation Considerations on page 6 for more information about each of the turn-on modes.

Slide the switch with your fingernail or a 1/8" slotted screwdriver blade.

Control Output

This terminal provides a 12V DC signal suitable for triggering Niles automated switchers, some motorized screens, some electric curtain controls, etc. The trigger volt- age is present only when the amplifier is active or “on”. When the amplifier turns “off”, the 12 Volt signal is off.

Using the 3.5mm jack.

STEP

DESCRIPTION

1.Check the requirements of the device you want to control.

2.Connect the 3.5mm Jack to the control output maintaining proper polarity (tip = +)

The control output has a maximum current capability of 12V DC 150 mA.

Niles makes an accessory cable plug FG00724.

11

Page 12
Image 12
Niles Audio SI-275 manual Installation, Setting the Turn-On Mode Switch

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.