Product Category
Catch Tab
Vertical Mounting
SM 26 • Setup Guide
NOTE: Unless otherwise stated, mounting hardware is not included.
This setup guide contains installation information about the Extron SpeedMount® SM 26 speaker.
NOTE: Installation and service must be performed by authorized personnel only.
Installing the Speaker Mounting Plate
The SM 26 speaker comes with a at mounting plate and an adapter for positioning the speaker 10° up, down, left, or right.
• 0° mounting plate — The flat (0°) mounting plate allows the speaker to be mounted flat on a suitable surface.
• 10° mounting adapter — The 10° mounting adapter allows the speaker to be installed at a 10 degree angle so that the
speaker can be pointed up, down, left, or right from an elevated position by rotating the adapter.
The mounting plate can be installed vertically or
horizontally as shown below right.
10° Mounting Adapter
NOTES:
• Observe all applicable building codes and local ordinances when installing the speaker.
• If mounting the SM 26 with the yoke mount, see the Yoke Mount Setup Guide.
0° Mounting Plate
Horizontal Mounting
Mounting to a Wall Stud
1. Locate the wall stud where the mounting plate will be installed.
2. If using the 10° mounting adapter, position the adapter over the wall stud according to how the speaker will be angled and
mark the positions of the pilot holes. See the figure below right for mounting hole locations.
If not using the adapter, position the mounting plate against the wall. The #26 arrow molded into the mounting plate indicates
the vertical midpoint of the SM 26 speaker when it is mounted on a wall stud. While positioning the mounting plate on the
wall, mark the location of two pilot holes using the holes indicated below.
SM26 Speaker
Mounting
Holes
Stud
Mounting
Holes
33-0000-01 Rev. Ax1
–
–
+
+
IN
LOOP
IN
LOOP
1
SM 26 • Setup Guide (Continued)
ews
NOTE: A speaker wire access hole (see the following figures) must also be cut in the wall. Mark that hole location now
with the mounting plate positioned on the wall while ensuring that the wall stud does not interfere with the wire routing
and that the mounting plate hides the access hole.
3. Drill the mounting plate pilot holes and cut the speaker wire access hole, as previously marked.
4. Install the speaker cables into the wall before installing the speaker mounting plate. Leave enough slack in the cable.
5. Install the mounting plate.
NOTE: Since applications can vary considerably, it is assumed that the installer will exercise good judgment when
selecting the mounting location, method, and hardware. Mounting hardware is not provided.
z If using the 10° mounting adapter, route the speaker cable through the adapter and 0° mounting plate, attach the adapter
to the 0° mounting plate using the four included screws and washers, then attach the wire ends to the quick connect
contacts using a small screwdriver. Be sure to observe the correct polarity. Attach the mounting plate to the wall (see the
figure below).
per Connection Point
10° Mounting
Adapter
0° Mounting Plate
Wire Gauge Table
Number of Wires
1 12 AWG
2 16 AWG
4 18 AWG
Maximum
Wire Gauge
(4) 4-40 x 3/16"
Screws
Quick Connect Contacts
Mounting Scr
z If using only the flat plate, route the speaker cable through the rear of the mounting plate and attach the wire ends to the
quick connect contacts using a small screwdriver. Be sure to observe the correct polarity, as shown below. Attach the
mounting plate to the wall (see the figure above).
Loop-through Connection Single Speaker Connection
Red Wire (+) to Next Speaker
Red Wire (+) from
Amplifier/Previous Speaker
Black Wire (-) from
Amplifier/Previous Speaker
LOOPIN INLOOP
Black Wire (-) to Next Speaker
Red Wire (+) from Amplifier
Black Wire (-) from Amplifier
LOOPIN INLOOP
2
Anchor this end to a
A
and secur
(12 mm)
Good
Alternate Access Point
Alternate Access Points
33-0000-01 Rev. Ax1
–
–
+
+
IN
LOOP
IN
NOTE: If surface mounting, route the wires through
LOOP
alternate access points as shown at right.
0° Mounting Plate
ATTENTION: Use the appropriate mounting screws. The screw heads must
not protrude more than 0.27 inch (7 mm) above the screw holes in the
mounting plate (see the gure on the right). If the screw head protrudes too far
above the mounting plate surface, damage to the speaker may occur when
the speaker is attached.
Product Category
10° Mounting Adapter
0.27”
(7 mm)
Attaching a Secondary Support Cable
If a secondary support cable is being attached, attach the cable to the eye bolt, as shown
below. The cable end should be properly swaged.
suitable secure point.
ttach cable here
e.
Secondary
Attachment
Cable
Attaching the Speaker to the Mounting Plate
ATTENTION: By default, the SM 26 speaker is shipped unlocked. When mounting the speaker
to the mounting plate, be sure that the speaker is unlocked. Failure to place the speaker in
the unlocked position prior to mounting the speaker will result in damage to the speaker lock
mechanism (see Using the Security Key to Lock and Unlock the Speaker on the next
page).
Bad
0.47”
NOTE: If a secondary attachment point is being used, see the “Attaching a Secondary Support
Cable” section above for installation details before proceeding further.
Position the rear mounting slot of the speaker above the catch tab of the mounting plate, then slide the
speaker down into the mounting plate until a click is heard indicating that the speaker is secured in place
(see gure at right). When properly seated, the speaker connections are automatically made.
Catch Tab
3
Setting the Tap Selector Switch (SM 26T Model Only)
8Ω
70
100
8Ω
For the SM 26T model, insert a small screwdriver through the upper left portion of the front grille, as
shown below, to adjust the tap selector switch to the desired setting.
Tap Indicator
for 100 Volt
Unlocked
Locked
Twist to
Lock/Unlock
Tap Indicator
for 70 Volt
Unlocked
Using the Security Key to Lock and Unlock the Speaker
Insert the key into the center of the speaker grille and turn the key, as needed, so that the speaker is in the unlocked position (see
the gure above). There are three small raised “dimples” (see the gure below) on the grille surface that surrounds the keyhole.
Repeat this procedure, but set the key to the locked position to lock the speaker.
ATTENTION: The key must be rotated to the unlocked position before the speaker is attached to the mounting plate.
Failure to place the speaker in the unlocked position will result in damage to the speaker lock mechanism should an
attempt be made to mount the speaker. By default, the SM 26 speaker is shipped unlocked.
Removing the Speaker from the Mounting Plate
To remove the speaker from the mounting plate, you must unlatch the
locking mechanism.
1. Insert the security key into the keyhole of the speaker grille (see the previous
section) and turn the key to the unlock position.
2. Remove the security key.
3. Apply pressure to the grille with your finger over the “dimpled” keyhole to
unlatch the speaker from the mounting plate while lifting up on the speaker
(see figure at right).
ATTENTION: To avoid damaging or scratching the grille nish, do not
use tools or sharp instruments to depress the unlocking mechanism
hidden behind the center of the grille.
Press to Release
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