Niles Audio SI-1230 manual Installation Considerations, Turn-On Modes

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INSTALLATION CONSIDERATIONS

Automating the turn-on of your SI-1230 is one of the easiest steps when installing it in a distributed system. However, do not plug the main power cord into the switched AC outlet of your preamplifier or receiver. The high power design of the SI-1230 requires large amounts of current from its AC power source. Additionally, it is always recommended to activate the system preamplifier/receiver before turning on your SI-1230 in order to prevent system “turn-on thumps”. In order to address these important needs, the SI-1230 has three special turn-on modes that let you turn the amplifier on only when it is needed. These three options are accessed by the Turn-On Mode selector switch (see Figure 7).

Turn-On Modes

Constant – The auto turn-on circuitry is off. The front panel master power switch operates the amplifier. In is “On”, Out is “Off”.

Audio Sense – The master switch on the front panel must be in the “On” position. The amplifier is off when there is no audio signal present at any of the audio inputs, but the sensing circuitry is on. The turn-on sensing circuitry looks for a signal present at any of the audio inputs. If it detects a signal, the adjacent pair of amplifier channels (i.e. channel 1 & 2 , 3

&4, etc.) assigned to receive the input signals will turn on. Once the audio signal stops, the sensing circuit waits two minutes, then turns all amplifier channels off.

Figure 7

TURN ON MODE

AUDIO SENSE 3-30V

CONSTANTAC/DC TRIGGER INPUT

Important! The Front Panel

Power Switch must be in the ON (switch in) position for any of the three turn- on options to function

3-24 Volt Ac/Dc Opto-Isolated Voltage Trigger - The Power switch on the front panel must be in the “On” position for the voltage trigger to function. When a Trigger Plug is inserted into the rear panel connector and the sensing circuitry detects a voltage, the amplifier is turned on. Once the Trigger voltage is turned off, the sensing circuit instantly turns the amplifier off. The amplifier is off when there is no 3-24V AC or DC voltage detected at the trigger input. Voltage triggers can be supplied by Niles automated switchers, some video projectors, some surround sound processors, or something as simple as a 12 volt AC wall adapter plugged into the switched outlet of your stereo receiver. Linear DC wall adapters are not recommended; the long discharge time of the DC adapter’s filter capacitor will delay the turn-off of the amplifier. Trigger sources must be 3-24VAC or DC, 20mA or greater.

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Contents P L I F I E R S Table of Contents CongratulationsImportant Safety Instructions FCC Required TextBridgable Power Amplifiers IntroductionFreedom from Noise and Cross-Talk Features and BenefitsTransparent Sound Limited two-year parts and labor warranty System Design Basics Listening ZoneSystem Design Basics PlasmaSystem Design Considerations System Design Considerations These are some of the most common DOs and DON’TsApplications Single ZoneZone Home Theater ZoneExpanding a MultiZone System to Include More Rooms Adding Preamps To Create More Listening Zones Configuring Your System ExampleInstallation Considerations Turn-On ModesInstallation Considerations PlacementFront and Rear Panel Details Mm Jack for 12v DC Control OutputGold-plated RCA jacks Serial NumberDual banana spaced binding post for Speaker connectionsInstallation Step DescriptionLabel all wires Bare WireBanana Plugs Move only ONE switch to the on position for each channel OFF Position on PositionConnect the speaker wires to the two Go into protection or be damagedBridged speaker terminals Bridged Markings Terminals you will short circuit the amplifierWant to control Current capability of 150 mA Power LED Using Level Controls as LimitersOperation Bicolor Status LEDListening at Higher Volumes Symptom Trouble-shooting guideSymptom Possible Causes and Test Procedure Specifications DetailConfiguration worksheet Limited Warranty Remedies for Breach of 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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