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SI 26 and SI 28 Speakers • Introduction
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Installation
Installing the SI 26 or SI 28 Speaker
The SI 26 or SI 28 can be mounted on a surface, such as a wall
or post, or mounted in a bookcase, or under a shelf, and can be
used with any Extron product with power amps.
Conference Room
Extron
SI 28
Surface-mount Speakers
Figure 2 — Surface speaker application
Desk top or bookshelf applications
1. For quick installation on a desk top or bookshelf, simply
place on a desk, shelf or other flat surfaces as desired.
N Do not detach the back cover.
2. Route the speaker wire (Extron recommends using
12-18 AWG) to the speakers.
3. Strip the wire and connect the speakers as described on
page 6.
Wall mounting
1. If mounting to drywall, use a stud locator to locate the
studs in the wall. Mark their position.
2. Remove the wall mount assembly from the box and
loosen the hex cap screw (by turning it counter clockwise)
with the allen hex tool supplied. Rotate the front section
approximately 90 degrees to the rear mounting plate (see
figure 3) and tighten the hex cap screw, locking the plate in
position. This will make the next steps easier to perform.
Fasten the
wall mount plate
to the vertical
surface.
Rotate This
Section 90°
Figure 3 — Rotating and mounting the wall mount
assembly
3. Mark the location of the wall mount plates three center
holes on the stud line and drill the pilot holes.
N
For some surfaces the four alternative pilot dimples
(see figure 4) may be used to secure the assembly in place.
Mark and drill as appropriate
Alternative
pilot dimples.
Figure 4 — Alternative pilot dimples on the speaker
bracket
4. Mark the wall where the wire will pass through the plate,
and cut a small access hole large enough for the wire to
pass through without snagging. If the stud is wider than
the plates access hole, then cut the hole in the wall to the
left or right and directly alongside the stud (see figure 5).
Before cutting it, make sure the plate will cover the hole
when it is finally installed.
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SI 26 and SI 28 Speakers • Installation