Assessments - 5, GPA: 3.4
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With proper installation and operation, you'll enjoy years of trouble-free use. Niles manufactures the industry's most complete line of custom installation components and accessories for audio/video systems. For a free full line catalog write: Niles, Catalog Request, P.O. Box 160818, Miami, Florida 33116-0818 TABLE OF CONTENTS INTRODUCTION FEATURES AND BENEFITS INSTALLATION CONSIDERATIONS FRONT AND REAR PANEL DETAILS 9 INSTALLATION 11 OPERATION 15 TROUBLESHOOTING GUIDE 16 SPECIFICATIONS 18 CAUTION: TO REDUCE THE RISK OF ELECTRICAL SHOCK, DO NOT REMOVE COVER. NO USER-SERVICE- ABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. CAUTION The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated dangerous voltage within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equivalent triangle is intended to alert the user to the presence of important operating and maintnance (servicing) instructions in the literature accompaying the appliance. 1 CAUTION: TO PREVENT ELECTRICAL SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE SLOT, FULLY INSERT ATTENTION: POUR EVITER LES CHOCS ELECTRIQUES, INTRODUIRE LAME LA PLUS LARGE DE LA FICHE DANS LA BOURNE CORRESONDANTE DE LA PRISE ET POUSSER JUSQU’AU FOND WARNING: TO REDUCE THE RISK OF ELECTRICAL SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE INTRODUCTION The SI-2125 is a member of the award-winning Niles Systems Integration Amplifier family. It is designed for home theaters and whole house audio systems requiring high power. Niles specifically created Systems Integration Amplifiers to solve the problems of interfacing with different brands and models of equipment, different acoustic environments in different rooms, and different kinds of applications; home theater, stereo, outdoor speakers and background music. The SI-2125 brings extremely high- current power to a custom installed A/V system in a remarkably convenient way. INTRODUCTION SI-2125 Systems Integration Stereo Power Amplifier 2 FEATURES AND BENEFITS 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 dynamics from every pair of speakers powered by an SI-2125. Transparent Sound The audio circuitry of the SI-2125 is constructed using the finest parts available; including 1% metal film resistors, high quality capacitors, and oversized heat sinks. All this attention to technical detail creates a sound that is clear and uncolored with phenomenal imaging. Freedom From Crosstalk Each channel of the SI-2125 is powered via its own independent power supply. This increases the isolation between the two channels, and eliminates cross talk guaranteeing you absolute silence as the backdrop to your music. Current For Reactive Loads The high current design of the SI-2125 assures that even unusual and reactive loads are handled with aplomb. A massive toroidal transformer with two separate windings for each of the power supplies supplies more than ample current to your system. Freedom from Fan Noise The oversized heat sinks inside the SI-2125 allow the amplifier to stay cool even when operating into low impedance loads—without the noise of fan-cooled amplifiers. Independent Level Controls Each channel has its own independent level control enabling you to precisely match the SI-2125 to the rest of your system. The level controls also enable you to limit the volume, preventing abuse of the system. Lifetime Connections The SI-2125 features gold plated stereo inputs, the cascade stereo outputs as well as the five way binding posts are gold plated to ensure perfect connections without corrosion for years to come. 3 Turn-On Modes The SI-2125 features three turn-on modes: 1. Music Sense 2. External Voltage Trigger 3. Manual Turn-On via the front panel switch. You can configure the SI-2125 to interface with any kind of system and have the unit automatically turn on. Automatic Protection The SI-2125 is equipped with sophisticated protection circuits. In the unlikely event that a problem occurs, the amplifier shuts itself off. When conditions return to normal, regular operation resumes. Status Display for Troubleshooting LED's on the front panel indicate Power, Active Status, and a Protection Warning. With a glance at the front panel, a troubleshooter is quickly provided with key information! Control Output A12 volt DC output is provided whenever the amplifier is on, allowing you to operate voltage-triggered devices like motorized screens and curtains. Bridged Mode The SI-2125’s can be operated in a bridged mono configuration. In this configuration, it can deliver upwards of 300 watts. Bridged mode is perfect for subwoofer, rock speakers or any applications requiring high power output. Designed and Engineered in the USA Limited...