2 Channel, Bridgable Power Amplifiers
INSTALLATION CONSIDERATIONS
Bridged Mode
The Niles System Integration Amplifier® bridged mode switch allows you to create a more powerful amplifier by combining both channels into one (8 ohm minimum). Stereo mode is the factory default setting.
In the bridged mode, connect the speakers to the left red positive terminal and the right red positive terminal. In the bridged mode the right channel’s red terminal becomes positive and the left channel’s red terminal becomes negative.
DO NOT USE THE BLACK NEGATIVE
The line level input signal must connect to the left channel input of the amplifier when using bridged mode.
Multiple Speaker Loads
The Niles System Integration Amplifier® 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 amplifier. Note that the System Integration Amplifier® 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 speaker selection and impedance matching systems. Speaker selection systems allow each pair of speakers to be turned on and off from your equipment location (or even via remote control). That way, you know that the speakers in the bedroom are off so you can avoid waking a sleeping spouse! These speaker selectors provide an easy way to terminate all of the wires for more than three pairs. Testing and troubleshooting a new system is much easier with the individual room labels and on/off switches of a Niles speaker selection system. Additionally, Niles speaker selection systems offer impedance matching features which will allow you to connect up to ten pairs of speakers to your Niles System Integration Amplifier®.
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