Niles SI-2125 - Manuals - manualsarea.com

Page 2 - INTRODUCTION; Systems Integration

nd to and on ite: 2 3 5 9 11 15 16 8 an thethe ude e is antthe INTRODUCTION The SI-2125 is a member of the award-winning Niles Systems IntegrationAmplifier family. It is designed for home theaters and whole house audio systemsrequiring high power. Niles specifically created Systems Integration Ampli...

Page 3 - FEATURES AND BENEFITS; FEA; Lim

FEATURES AND BENEFITS Real World Power The SI-2125 delivers 125 watts per channel at 8 Ohms, 200 watts per channel at 4 Ohms and 300 watts bridged at 8 ohms. You’ll get tremendous bass and dynamicsfrom every pair of speakers powered by an SI-2125. Transparent Sound The audio circuitry of the SI-2125...

Page 5 - INSTALLATION CONSIDERATIONS; Placement; op

INSTALLATION CONSIDERATIONS Placement Place the SI-2125 on a flat level surface like a table or shelf. It should be placedupright so that its weight rests on the four attached feet. Placing the weight of theamplifier on the rear or front panel for even an instant will result in damage to theamplifie...

Page 6 - INST

edhehe ate hat If xer ce heet. mal ful ble ve Turn-On Modes The SI-2125 draws more current than a preamplifier’s switched AC outlet cansafely supply. Also, your preamplifier may “thump” at dangerous volumes if theamplifier is already on when the preamp turns on. It is usually best to turn theamplifi...

Page 7 - Bridged Mode; DO NOT; Multiple Speaker Loads; (for more information on; TECH TIP; Wire size is expressed by its AWG (American

Bridged Mode The SI-2125’s bridged mode switch allows you to create a more powerfulamplifier by combining both channels into one (8 ohm minumum). In the bridgedmode, connect the speakers to the left red positive terminal and the right redpositive terminal. In the bridged mode the right channel’s red...

Page 9 - FRONT AND REAR P

Bi Red “Power” LED confirms the amplifier isconnected to a live AC power outlet. (andthat the master power switch is on). Green“Active” LED lights when theamplifier circuitry has been turned on bythe Turn-On circuits. Front panel “Master Power” switch turnsoff the entire amplifier, including theTurn...

Page 11 - INSTALLATION; Setting the Turn- On Mode Switch; 1 Control Output; Ba

INSTALLATION Setting the Turn- On Mode Switch The SI-2125 has three turn-on modes. Select which mode you desire by slidingthe mode switch. See Installation Considerations on page 6 for more informationabout each of the turn-on modes. Control Output This terminal provides a 12v DC signalsuitable for ...

Page 12 - All speaker wire connections must be made with the amplifier Off.; Bare Wire; STEP

ng on 12 INST ALLA TION Speaker Wire Connections CAUTION! All speaker wire connections must be made with the amplifier Off. Bare Wire Unscrew the red orblack plastic knob,insert the bare wireend into the opening,and then tighten theknob until the wire issecurely clamped. Banana Plugs There are many ...

Page 15 - OPERATION; OPERA

OPERATION Power Switch The front panel switch is a master or “vacation” power switch. No matter whichturn-on mode you have selected, the master power switch will turn off allcircuitry —including the sensing circuitry. If you will not be using the amplifier foran extended period of time, turn the mas...

Page 16 - TROUBLESHOOTING GUIDE; SYMPTOM

chall or on ch er ill wn . he er he ce. ve or pe, 16 TROUBLESHOOTING GUIDE TROUBLESHOOTING GUIDE When there is a problem consult this guide first. If the problem persists, or youhave additional questions, call your local Niles dealer or Niles Technical Supportat 1-800-289-4434. The most common probl...

Page 17 - Li

17 TROUBLESHOOTING GUIDE (continued) SYMPTOM Hum from the speakers Amp will not turn on Bass sound is weak andthe stereo image is“phasey” or “blurry”sounding in one room POSSIBLE CAUSES AND TEST PROCEDURE Check for faulty cables, faulty source material, anungrounded phono system or a defective compo...

Page 18 - SPECIFICATIONS; rated output

SPECIFICA TIONS 18 SPECIFICATIONS Design Principle Linear voltage/current amplification. Continuous Average Power Output 125 watts per channel RMS at 8 ohms.200 watts per channel RMS at 4 ohms.300 watts bridged channel RMS at 8 ohms. Input Impedance 18K ohms Input Sensitivity .878V for 8 Ω rated out...

Page 20 - I N S T A L L A T I O N & O P E R A T I O N G U I D E; Systems Integration Amplifier

I N S T A L L A T I O N & O P E R A T I O N G U I D E B L E N D I N G H I G H F I D E L I T Y A N D A R C H I T E C T U R E ® e its ce. red and /03 Systems Integration Amplifier ® ® SI-2125 DS00354A MY /SI-2125 10/10/03 11:12 AM Page 21