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Manual Niles SI-245

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  • Niles SI-245 - page 1

    INST ALLA TION & OPERA TION GUIDE B LENDING H IGH F IDELITY AND A RCHITECTURE ™ Systems Integration Amplif ier ™ ® ...

  • Niles SI-245 - page 2

    CONGRA TULA TIONS! Thank you for purchasing the Niles SI-245, one of the most flexible and conve- nient amplifiers ever offered. Like all Niles products, the SI-245 is built to the highest standards of quality control and reliability . W ith proper installation and operation, you'll enjoy years of trouble-free use. Niles manufactures the indus ...

  • Niles SI-245 - page 3

    INTRODUCTION The SI-245 is a member of the award-winning Niles Systems Integration Amplifier family . It is designed for use in home theaters and whole house audio systems, and is especially suited for use as a “zone” amplifier . Niles specifically designs Systems Integration Amplifiers to solve the problems installers face when inte- grating d ...

  • Niles SI-245 - page 4

    FEA TURES AND BENEFITS Real W orld Power The SI-245 delivers 45 watts per channel at 8 Ohms and 70 watts per channel at 4 Ohms. Y ou’ll get tremendous bass and dynamics from every pair of speakers powered by an SI-245. T ransparent Sound The audio circuitry of the SI-245 is constructed using the finest parts available; including 1% metal film res ...

  • Niles SI-245 - page 5

    T urn-On Modes The SI-245 features three turn-on modes: 1. Music Sense 2. External V oltage T rigger 3. Manual T urn-On via the front panel switch. Y ou can configure the SI-245 to inter- face with any kind of system and have the unit automatically turn on. Automatic Pr otection The SI-245 is equipped with sophisticated protection circuits. In the ...

  • Niles SI-245 - page 6

    INST ALLA TION CONSIDERA TIONS Placement Place the SI-245 on a flat level surface like a table or shelf. It should be placed upright so that its weight rests on the four attached feet. Placing the weight of the amplifier on the rear or front panel for even an instant may result in damage to the amplifier's connectors and controls. The SI-245, ...

  • Niles SI-245 - page 7

    T urn-On Modes The SI-245 draws more current than a preamplifier ’ s switched AC outlet can safe- ly supply . Also, your preamplifier may "thump" at dangerous volumes if the amplifier is already on when the preamp turns on. It is usually best to turn the amplifier on only when it is needed. The T urn-On Mode selector switch gives you th ...

  • Niles SI-245 - page 8

    Multiple Speaker Loads The SI-245 is stable into very low impedance loads. This means you can safely operate three pairs of 8 ohm speakers (a 2.67 ohm load) directly connected to the SI-245. Note that the SI-245 does not have on/off speaker switching built in. When the amplifier is on, so are all of the speakers. Niles makes a number of different s ...

  • Niles SI-245 - page 9

    INST ALLA TION CONSIDERA TIONS 8 Cable and W ire It will be easier to reconfigure or troubleshoot your system in the future if you label the cables and wires for their destination or source, rather than which ter- minal of the SI-245 they are connected to. The SI-245 connects to your preamp source via shielded line level audio cables with RCA phono ...

  • Niles SI-245 - page 10

    Red “Power” LED confirms the amplifier is connected to a live AC power outlet. (and that the master power switch is on). Green “Active” LED lights when the amplifier circuitry has been turned on by the T urn-On circuits. Front panel “Master Power” switch turns off the entire amplifier , including the T urn-On circuitry . The red “Prot ...

  • Niles SI-245 - page 11

    Binding posts for speaker connections. IEC receptacle for AC power cord. FRONT AND REAR P ANEL DET AILS 10 Level Adjustment screws enable you to preset the maximum system volume (or match levels with another amplifier). ...

  • Niles SI-245 - page 12

    INST ALLA TION Setting the T urn- On Mode Switch The SI-245 has three turn-on modes. Select the mode you wish to use by sliding the mode switch. See Installation Considerations on page 6 for more information about each of the turn-on modes. Contr ol Output This terminal provides a 1 2v DC signal suit- able for triggering Niles automated switchers, ...

  • Niles SI-245 - page 13

    12 INST ALLA TION Speaker W ire Connections CAUTION! All speaker wire connections must be made with the amplifier Off. Bare Wire Unscrew the red or black plastic knob, insert the bare wire end into the opening, and then tighten the knob until the wire is securely clamped. Banana Plugs There are many types of banana plugs, some crimp, some solder . ...

  • Niles SI-245 - page 14

    Line Level Audio Input CAUTION! THE AMPLIFIER MUST BE OFF WHENEVER YOU MAKE CHANGES TO THE INPUT CONNECTIONS. Cascade Audio Outputs The " Cascade Audio Outputs " enable you to connect another amplifier to your preamplifier output. The connectors are gold-plated RCA phono jacks. Connect them to another amplifier ’ s inputs with a standar ...

  • Niles SI-245 - page 15

    14 INST ALLA TION AC Power Plug STEP Plug the female IEC socket of the sup- plied AC cord into the IEC r eceptacle on the rear of the amplifier . Plug the 2 prong plug into a corr ectly grounded 1 20V 60 Hz wall outlet. CAUTION! T ypically the preamp/r eceiver’ s switched outlet is not rated for a power amplifier . DESCRIPTION Just like a compute ...

  • Niles SI-245 - page 16

    OPERA TION Power Switch The front panel switch is a master or "vacation" power switch. No matter which turn-on mode you have selected, the master power switch will turn off all cir- cuitry —including the sensing cir cuitry . If you will not be using the amplifier for an extended period of time, turn the master power switch "Off&quo ...

  • Niles SI-245 - page 17

    16 TROUBLESHOOTING GUIDE TROUBLESHOOTING GUIDE When there is a problem consult this guide first. If the problem persists, or you have additional questions, call your local Niles dealer or Niles T echnical Support at 1-800-289-4434. The most common problems relate to hook up. Call from your telephone extension nearest the system. SYMPTOM No sound on ...

  • Niles SI-245 - page 18

    17 TROUBLESHOOTING GUIDE (continued) SYMPTOM Hum from the speakers Amp will not turn on Bass sound is weak and the stereo image is "phasey" or "blurry" sounding in one room POSSIBLE CAUSES AND TEST PROCEDURE Check for faulty cables, faulty source material, an ungrounded phono system or a defective component. AC power cord must b ...

  • Niles SI-245 - page 19

    SPECIFICA TIONS 18 SPECIFICA TIONS Design Principle Linear voltage/current amplification. Continuous Average Power Output 45 watts per channel RMS at 8 ohms. 70 watts per channel RMS at 4 ohms. Input Impedance 22K ohms Input Sensitivity .77V for 8 Ω rated output Overall V oltage Gain 28 dB Frequency Response Bandwidth Limited from 1 0 Hz to 1 00 ...

  • Niles SI-245 - page 20

    Niles Audio Corporation www .nilesaudio.com 1 233 1 S. W . 1 30 Street Miami, Florida 3 3 1 86 T el: (305) 238-43 73 Fax: (305) 238-0 1 85 © 1998 Niles Audio Corporation. Because Niles strives to continuously impr ove its products, Niles r eserves the right to change pr oduct specifications without notice. Niles and the Niles logo are r egistered ...

Manufacturer Niles Category Stereo Amplifier

Documents that we receive from a manufacturer of a Niles SI-245 can be divided into several groups. They are, among others:
- Niles technical drawings
- SI-245 manuals
- Niles product data sheets
- information booklets
- or energy labels Niles SI-245
All of them are important, but the most important information from the point of view of use of the device are in the user manual Niles SI-245.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Niles SI-245, service manual, brief instructions and user manuals Niles SI-245. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Niles SI-245.

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A complete manual for the device Niles SI-245, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Niles SI-245 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Niles SI-245.

A complete Niles manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Niles SI-245 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Niles SI-245, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Niles SI-245, that we can find in the current document
3. Tips how to use the basic functions of the device Niles SI-245 - which should help us in our first steps of using Niles SI-245
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Niles SI-245
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Niles SI-245 in a specific country, if it was not possible to solve the problem on our own.

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