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NILES AUDIO CORPORATION – 1-800-BUY-HIFI – 1-760-710-0992
16 CHANNEL, FULLY CONFIGURABLE POWER AMPLIFIERS
SYSTEM DESIGN CONSIDERATIONS
CABLE AND WIRE
Because the SI-1650 has many connections on the rear panel (see page 32 &
33), it is important that you correctly label all of the input cables and speaker
wires. Label the cables and wires with their destination or source, rather than
the SI-1650 terminal to which they are connected. This will make it easier to
recongure your system in the future.
The SI-1650 connects to your sources via shielded line level audio cables with
RCA connectors. Use high quality cables with your Niles amplier for the lowest
possible noise and best overall performance. Your Niles dealer can recommend
the proper cable.
The SI-1650 connects to your speakers using two conductor speaker wire. For
most applications, we recommend you use 16 or 18 gauge wire. For wiring
runs longer than 80 feet, we recommend 14 gauge wire. The SI-1650’s high-
quality, gold-plated 5-way binding posts will accommodate up to 12-gauge
wire. Attaching banana plugs to the wire will enable the connection of larger wire
sizes.
USING MONO FOR SMOOTHER COVERAGE
In large or irregularly shaped rooms, you may nd that the main listening area
may be closer to one of the speakers. If the speakers in the room are connected
to a stereo amplier you will only hear half the music. The SI-1650’s BusMatrix™
enables you to create mono sound from one speaker without impacting the
stereo quality in the rest of the system. You can congure each amplier channel
individually to Left, Right or mono as needed with no ill effects. Some of the
most popular areas where mono will greatly enhance the sound quality would
be:
• Large rooms with many seating areas and/or many pairs of speakers.
• Irregularly shaped rooms.
• Bathrooms with one speaker over the tub and one speaker over the sink(s).
• Hallways or passageways (including those with multiple speakers).
• Small rooms, such as walk-in closets where more than a single speaker is
not required.