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SM 3 • Setup Guide
This setup guide contains installation information about the Extron SM 3 speaker. The SM 3 speaker is a low profile surface-
mount speaker system that features a three-inch full-range driver with very wide audio dispersion. Speaker mounting
incorporates a separate wall mounting plate that can be attached directly to a wall stud or to an electrical box behind the
wall. The speaker wiring attaches to the wall mounting plate so that the speaker can easily slide into the mounting plate,
making electrical contact between the mounting plate and the contacts on the speaker. A built-in locking mechanism
between the speaker and the mounting plate also prevents the speaker from being removed by unauthorized personnel.
The speaker may be easily removed by depressing a hidden release mechanism that does not require tools. As an added
feature, a security key is provided to lock the mechanism in order to prevent unauthorized speaker removal.
CAUTION
:
Installation and service must be performed by authorized personnel only.
The illustration below is one example of configuring a system using the SM 3 speakers.
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Extron
MPA 152
Mini Power
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Installing the Speaker Mounting Plate
The SM 3 speaker comes with two types of speaker adapter plates:
0° mounting plate — The 0° mounting plate allows the speaker to be mounted flat on a vertical wall surface with the
z
speaker protruding less than four inches (ADA compliant) from the wall surface (see the illustration below).
10° mounting plate — The 10° mounting plate allows the speaker to be mounted at a ten degree angle so that the
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speaker can be pointed down from an elevated position (see the illustration below).
0° Mounting Plate
Projector
RS-232 or
IR Projector
control
Audio
Audio
Video
Audio
S-Video
RGBHV
DVD/VCR
Extron
Combo
SM 3
Full-range
Speakers
10° Mounting Plate
1
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3
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Extron
MLC 104 IP Plus
MediaLink Controller
with IP Link
Laptop
Product Category
1
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Summary of Contents for Extron electronics SM 3
- Page 1 SM 3 • Setup Guide This setup guide contains installation information about the Extron SM 3 speaker. The SM 3 speaker is a low profile surface- mount speaker system that features a three-inch full-range driver with very wide audio dispersion. Speaker mounting incorporates a separate wall mounting plate that can be attached directly to a wall stud or to an electrical box behind the wall.
- Page 2 SM 3 • Setup Guide (Continued) Mounting to a Wall Box Install the speaker cables into the wall or conduit before installing the wall box. Place the wall box against the installation surface, and mark the guidelines for the opening on the wall.
- Page 3 Product Category Wiring the Speaker Mounting Plate Route the two speaker wires through the rear of the mounting plate and attach the wire ends to the quick connect contacts using a small screwdriver (see the example illustration below) while observing the correct polarity. NOTE: The positive (+) connector and the negative (-) connector are marked on the mounting plate.
- Page 4 Step 2: Using the security key to lock the speaker The SM 3 speaker uses an included security key to lock and unlock the speaker to its mounting plate (see the illustrations below). The key has two positions, lock and unlock. The active position of the key is nearest the top of the speaker.