Niles Audio SI-1230 manual System Design Considerations

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2 Channel, Bridgable Power Amplifiers

SYSTEM DESIGN CONSIDERATIONS

Speaker Compatibility

A single channel (not bridged) of the SI-1230 is capable of driving a 4 ohm impedance speaker load. No more than two 8 ohm speakers or no more than one 4-6 ohm speaker can be safely connected to a single channel. Proper ventilation of the SI-1230 is critical when driving lower impedance loads. If the SI-1230 is not properly ventilated, the protection circuits may activate and shut off the channel at higher volume levels (for more information on proper amplifier placement, see Installation Considerations on page 15).

A channel pair that has been BRIDGED is capable of driving an impedance load of 8 ohms. Proper ventilation of the SI-1230 is critical when driving a 8 ohm load with bridged channels. If the SI-1230 is not properly ventilated, the protection circuits may activate and shut off the channel at higher volume levels (for more information on proper amplifier placement, see Installation Considerations on page 15).

When designing your system, try to specify 6-8 ohm speakers (Niles offers a complete line of inwall, in-ceiling, outdoor and home theater loudspeakers with all models rated from 6-8 ohms).

Cable and Wire

Because the SI-1230 has many connections on the rear panel (see Figure 12), it is important that you correctly label all of the input cables and speaker wires. Label the cables and wires with their destination or source, rather than the SI-1230 terminal to which they are connected. This will make it easier to reconfigure your system in the future.

The SI-1230 connects to your sources via shielded line level audio cables with RCA connectors. Use high quality cables with your Niles amplifier for the lowest possible noise and best overall performance. Your Niles dealer can recommend the proper cable.

The SI-1230 connects to your speakers using two conductor speaker wire. For most applications, we recommend you use 16 or 18 gauge wire. For wiring runs longer than 80 feet, we recommend 14 gauge wire. The SI-1230’s high-quality, gold-plated 5-way binding posts will accommodate up to 12-gauge wire. Attaching banana plugs to the wire will enable the connection of larger wire sizes.

NILES AUDIO CORPORATION – 1-800-BUY-HIFI – 1-760-710-0992

 

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Contents P L I F I E R S Congratulations Table of ContentsFCC Required Text Important Safety InstructionsIntroduction Bridgable Power AmplifiersFeatures and Benefits Freedom from Noise and Cross-TalkTransparent Sound Limited two-year parts and labor warranty Listening Zone System Design BasicsPlasma System Design BasicsSystem Design Considerations These are some of the most common DOs and DON’Ts System Design ConsiderationsSingle Zone ApplicationsZone Zone Home TheaterExpanding a MultiZone System to Include More Rooms Adding Preamps To Create More Listening Zones Example Configuring Your SystemTurn-On Modes Installation ConsiderationsPlacement Installation ConsiderationsMm Jack for 12v DC Control Output Front and Rear Panel DetailsSerial Number Gold-plated RCA jacksDual banana spaced binding post for Speaker connectionsStep Description InstallationBare Wire Label all wiresBanana Plugs OFF Position on Position Move only ONE switch to the on position for each channelGo into protection or be damaged Connect the speaker wires to the twoBridged speaker terminals Bridged Markings Terminals you will short circuit the amplifierWant to control Current capability of 150 mA Using Level Controls as Limiters Power LEDOperation Bicolor Status LEDListening at Higher Volumes Trouble-shooting guide SymptomSymptom Possible Causes and Test Procedure Detail SpecificationsConfiguration worksheet Remedies for Breach of Warranty Limited Warranty0 0 B U Y H I F I w w w . n i l e s a u d i o . c o m
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SI-1230 specifications

The Niles Audio SI-1230 is a standout model in the world of multi-channel amplifiers, designed to deliver outstanding audio performance for both home theater and whole-house audio systems. This amplifier is noted for its exceptional power, advanced features, and reliability, making it an ideal choice for audiophiles and professional installers alike.

One of the main features of the SI-1230 is its robust power output. The amplifier delivers 30 watts per channel across all 12 channels. This consistent output ensures that every speaker in a multi-room setup receives adequate power, resulting in clear and dynamic sound reproduction. The SI-1230 is capable of driving a variety of speaker configurations, accommodating different layouts and preferences.

Another key characteristic of the SI-1230 is its incorporation of advanced technologies that enhance performance and ease of use. The amplifier features a high-performance, Class D design. Class D amplification is known for its efficiency, allowing the SI-1230 to maintain high output levels while minimizing heat generation and reducing power consumption. Additionally, this design ensures a compact form factor, making it easier to integrate into various environments.

The product also supports multiple input options, including both balanced and unbalanced connections. This versatility ensures compatibility with a wide range of audio sources, such as CD players, streaming devices, and home theater processors. The SI-1230 is equipped with a signal-sensing input that allows it to automatically power on and off, providing a convenient solution for energy conservation.

In terms of build quality, the Niles Audio SI-1230 is constructed with durable materials designed for longevity. It has a sleek design that can fit seamlessly into any home or commercial setting.

Moreover, it includes protection features to prevent overheating, short circuits, and power surges, which enhances its reliability. The amplifier also provides extensive control options allowing users to adjust settings as needed for optimal performance.

In summary, the Niles Audio SI-1230 is a powerful, efficient, and versatile multi-channel amplifier. Its combination of advanced technology, robust audio output, and user-friendly features makes it an excellent choice for enhancing audio experiences in both residential and commercial environments. Whether for a home theater setup or a multi-room audio system, the SI-1230 stands out as a reliable solution for high-quality sound reproduction.
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