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English • 5Installation Guide • DesignMax DM3C
PRO.BOSE.COM
Setup
Wiring the Loudspeaker
Wire Gauge
The DesignMax DM3C loudspeaker is designed to work with 18 AWG (0.8 mm
2
) to 14 AWG (2.1 mm
2
) size wire only.
Loudspeaker Settings
70V
3W 6W 12W 25W*
8Ώ
6W 12W 25W NC*
100V
** NC: No Connection (do not use)* Factory default
Transformer Tap Setting
Set tap by turning. Use a flat head screwdriver.
Connection Diagrams
Expose six millimeters (¼ inch)
of bare wire to attach to the
terminals.
70V/100V 8Ω
OUT
IN
70/
100V COM8Ω8ΩCOM
70
/
100V
OUT
IN
70/
100V COM8Ω8ΩCOM
70/
100V
Preparing the Installation
Using a Safety Cable
Some regional construction codes require the use of a secondary method of securing loudspeakers to support structures
to provide additional safety. Choose a mounting position, method, and hardware consistent with local building codes and
regulations.
Bose recommends using (1) a safety wire or (2) a safety cable as a secondary securing mechanism. See the diagrams
below for safety attachment points.
Follow the manufacturer’s instructions for any secondary securing mechanism implemented.
qw
q
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