Related Manuals for Niles SI-2125
Summary of Contents for Niles SI-2125
- Page 1 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 ® ® ® l e n d i n g i g H i d e l i t y a n d...
- Page 2 CONGRATULATIONS! thank you for purchasing the niles SI-2125, one of the most flexible and convenient amplifiers ever offered. like all niles products, the SI-2125 is built to the highest standards of quality control and reliability. With proper installation and operation, you’ll enjoy years of trouble-free use.
- Page 3 SI-2125 brings extremely high- current power to a custom installed A/V system in a remarkably convenient way. SI-2125...
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Page 4: Features And Benefits
ANd beNefITS Real World Power the SI-2125 delivers 125 watts per channel at 8 ohms, 175 watts per channel at 4 ohms and 350 watts bridged at 8 ohms. You’ll get tremendous bass and dynamics from every pair of speakers powered by an SI-2125. -
Page 5: Bridged Mode
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. -
Page 6: Installation Considerations
(see figure 2). place the SI-2125 so that there is at least 7” of free air space above the chassis. If the amplifier is located on a carpeted surface, place a board under the amplifier’s feet. - Page 7 Turn-On Modes the SI-2125 draws more current than a preamplifier’s switched Ac outlet can safely 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.
- Page 8 IS At the red poSItIVe (+) terMInAlS onlY. Multiple Speaker Loads the SI-2125 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-2125. note that the SI-2125 does not have on/off speaker switching built in.
- Page 9 SI-2125 they are connected to. the SI-2125 connects to your sources via shielded line level audio cables with rcA phono plugs. use high quality cables with your niles amplifier for the lowest possible noise and best overall performance.
- Page 10 SI-2125 itself. Main Inputs enable you to route a stereo cascade outputs of the main input enable line level source to the SI-2125.
- Page 11 level Adjustment screws enable you to preset the maximum system volume (or match levels with another amplifier). bridge mode switch Iec receptacle for Ac binding posts for speaker connections. power cord.
- Page 12 14 AC Power plug Setting the Turn-On Mode Switch the SI-2125 has three turn-on modes. Select which mode you desire by sliding the mode switch. See Installation considerations on page 6 for more information about each of the turn-on modes.
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Page 13: Speaker Wire Connections
1. Label all wires. If you label the wires for their destination, rather than which terminal of the SI-2125 they are connected to, it will be easier to reconfigure your system in the future. 2. Connect one stripped wire end or A. - Page 14 5 amplifiers from each of its 3 outputs, allowing 15 SI-2125 power amplifiers to be fed from the same master preamplifier. If your preamp has a vacuum tube output stage, you must use a niles AVdA-3 to drive more than a single SI-2125.
- Page 15 AC Power Plug STeP Plug the female IEC socket of Just like a computer or printer, the SI-2125 the supplied AC cord into the IEC has an Ac cord which unplugs either at the receptacle on the rear of the amplifier.
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Page 16: Power Switch
Protection LED the front panel protection led indicates that the amplifier has been shut down because of either a fault in the wiring or the speaker, or with the SI-2125 itself. Level Adjustment Screws the front panel level adjustment screws allow you to adjust the level of the SI-2125 relative to other amplifiers in your system. -
Page 17: 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 technical Support at 1-800-289-4434. the most common problems relate to hook up. call from your telephone extension nearest the system. - Page 18 TROUbLeShOOTING GUIde (continued) POSSIbLe CAUSeS ANd TeST PROCedURe SyMPTOM Hum from the speakers check for faulty cables, faulty source material, an ungrounded phono system or a defective component. Amp will not turn on Ac power cord must be plugged into a working outlet. Master power switch must be on.
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Page 19: Specifications
SPeCIfICATIONS Design Principle linear voltage/current amplification. Continuous Average Power Output 125 watts per channel rMS at 8 ohms, both channels driven 175 watts per channel rMS at 4 ohms, both channels driven 350 watts bridged channel rMS at 8 ohms. Input Impedance 18K ohms Input Sensitivity... - Page 20 12331 S.W. 130 Street Miami, Florida 33186 Tel: (305) 238-4373 ©2009 Niles Audio Corporation. Because Niles strives to continuously improve its Fax: (305) 238-0185 products, Niles reserves the right to change product specifications without notice. Niles, the Niles logo, Systems Integration Amplifier, and Blending High Fidelity www.nilesaudio.com...