Niles Audio SI-1230 manual Installation, Bridging Two Channels into One

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1

INSTALLATION

INSTALLATION

19

Bridging Two Channels into One

23

Line Level Audio Inputs

20

BusMatrixTM Input Switch Setting

23

Cascade Audio Outputs

21

Setting The Turn-On Mode Switch

24

AC Power Plug

21

The Control Output

24

Rail Fuse Holders

22

Speaker Wire Connections

 

 

CAUTION! ALL CONNECTIONS AND REAR PANEL SWITCH SETTINGS SHOULD BE MADE WITH THE AMPLIFIER’S FRONT PANEL MASTER POWER SWITCH OFF.

Bridging Two Channels into One

The SI-1230's bridging switches allow you to create a more powerful amplifier channel by combining or "bridging" two adjacent channels.

1

 

 

 

 

 

 

 

2

Slide the bridg-

When two channels are bridged

 

 

BRIDGED

ing switch in the

together, connect speakers to the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

direction of the

two terminals labeled “Bridged”.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

arrow to bridge

BRIDGED –

-

BRIDGED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

 

 

 

LEVEL

 

USE CH 2

LEVEL

two adjacent

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

amplifier chan-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHEN

 

nels. Set the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BRIDGED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

controls of the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L

 

 

 

 

L

newly bridged

 

 

 

 

BUS

 

 

 

 

 

 

 

R

 

 

 

BUS

R

pair by using the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L+R

L+R

EVEN numbered

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

2

channel.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STEP

DESCRIPTION

1. Choose which of the six pairs you

The 12 channels are grouped into 6 pairs

wish to bridge and move the bridging

(e.g. 1 & 2). Only the two channels within a

switch for that pair to the "Bridged"

pair can be bridged. Thus, only channels 1

position (toward arrow).

and 2, or channels 3 and 4 could be bridged.

 

You cannot bridge 2 and 3 for example.

 

 

CAUTION! Do not connect a speaker

A bridged channel on a SI-1230 is

load of less than eight ohms to a

designed for an eight ohm minimum load.

bridged channel.

Connecting a speaker with a nominal

 

impedance of less than 8 ohms may cause

 

the SI-1230 to go into protection or be

 

damaged.

 

 

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Contents Systems Integration Amplifier Table of Contents CongratulationsIntroduction SI-1230Features and Benefits Status Display for Troubleshooting Independent Level ControlsTurn-On Modes Automatic ProtectionApplications and System Design Considerations System Design Basics-Assigning Rooms to ZonesAdvantages of using the SI-1230 in a Single Zone System ApplicationsUsing Level Controls as Limiters Applications and System Design ConsiderationsUsing Mono For Smoother Coverage Adding More than Two Surround Sound SpeakersCreating a Low-Cost Second Zone Using a Dedicated Source Applications and SystemSI-1230 Adding Preamps to Create More Listening ZonesSurround Sound in Two Rooms Configuring Your System Sample Configuration WorksheetInstallation Considerations PlacementTurn-On Modes Front and Rear Panel Details Gauge 6’ AC power cord Speaker Compatibility Cable and Wire Tech TIPInstallation Bridging Two Channels into OneBusMatrixTM Input Switch Setting Connect the speaker wires toMove only ONE switch to the on position for each channel Make sure that the odd numbered inputSetting the Turn-On Mode Switch Control OutputSpeaker Wire Connections Label all wiresConnector Banana plug to the black terminalLabel all of the interconnecting Line Level Audio InputsCascade Audio Outputs RCA plug into the amplifier’s jacksAC Power Plug Correctly grounded 120V 60 Hz wallOutlet OutletsOperation Cleaning and Maintenance Troubleshooting Guide No sound on one channelNo sound on some or all ChannelsNormal volumes Normal volume cannot beStereo image is phasey Amp will not turn onConfiguration Worksheet Specifications Continuous Power Output FTC RatedNiles Audio Corporation
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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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