Niles Audio SI-1650 manual Installation Considerations, Figure

16 CHANNEL, FULLY CONFIGURABLE POWER AMPLIFIERS

INSTALLATION CONSIDERATIONS

3-24 VOLT AC/DC OPTO-ISOLATED VOLTAGE TRIGGER - The Power switch on the front panel must be in the “On” position for the voltage trigger to function. When a Trigger Plug is inserted into the rear panel connector and the sensing circuitry detects a voltage, the amplifier is turned on. Once the Trigger voltage is turned off, the sensing circuit instantly turns the amplifier off. The amplifier is off when there is no 3-24V AC or DC voltage detected at the trigger input. Voltage triggers can be supplied by Niles automated switchers, some video projectors, some surround sound processors, or something as simple as a 12 volt AC wall adapter plugged into the switched outlet of your stereo receiver. Linear DC wall adapters are not recommended; the long discharge time of the DC adapter’s filter capacitor will delay the turn-off of the amplifier. Trigger sources must be 3-24VAC or DC, 20mA or greater.

Make sure that there is a minimum of 5” of free air space above the amplifier and 3” on each side for proper ventilation.

Allow a minimum of 2” of depth behind unit to accommodate cables and connectors.

If the cabinet rear is not open to fresh air, install two small “boxer fans” to provide continuos air flow into and out of the cabinet

If the cabinet rear is not open to fresh air or if you’re using low impedance loads, install two “boxer fans” to provide continuous air flow into and out of the cabinet.

FIGURE 19 FIGURE 20

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