Extron electronics SI 3 System INTEGRATOR User manual

User’s Guide
Compact Full Range Surface Mount Speakers
68-1261-01
Rev. A
11 07
SI 3 System INTEGRATOR™

SI 3 Speakers • Packaging
Packaging Information
Figure 1 — SI 3 speaker packaging details
PartNo.
XXX-XXX-01
Install 206W Ceiling Speaker
33-XXXX-01REV.
Thick Single Wall
Packing
Bottom Foam
Speakers
(each plastic
wrapped)
Hex Tool
(plastic wrapped)
Top Foam
Product Label
Wall Mount
Assemblies
Speaker Rear Cover

Introduction
SI 3 Speakers • Introduction 1
About the SI 3 Speakers
The Extron System INTEGRATOR ™SI 3 full range, compact,
surface mount speaker is ideally suited for classrooms,
conference rooms, and boardrooms. With a weather resistant
construction, it is also suitable for outdoor environments, and
has the following features (see below and page 2).
• 3" full range internal driver
• 75 Hz to 18 kHz, -10 dB frequency response
• 8 ohm nominal impedance
• 16 watts continuous pink noise
• 32 watts continuous program
• Internal driver overload protection circuit
Figure 2 — SI 3 speakers (with front grille removed)
NRefer to packaging information for location.
Carefully remove and check contents before installation.
NExtron recommends that the wiring installation be
performed by a professional audio equipment installer.
CUse cable clamps to hold the cables in place for
strain relief. Trim back/insulate exposed cable
shields with heat shrink to reduce the chance of
short circuits.
NFor "Troubleshooting Tips" see pages 10 and 11.
NFor "Service Access" see page 9.

SI 3 Speakers • Features
2
Features
Dimensions: 8.75" H x 5.75" W x 5.61" D
(22.2 cm H x 14.6 cm W x 14.24 cm D)
aBass reflex port
bFront locking access (allows for speaker position adjustment)
c3" full range driver with paper cone
dGrill and enclosure may be painted to match environment
eWeather resistant construction
fPush down spring terminals
gWall mount assembly with unique V-Lock™system included
hBack cover for use when speakers are not wall mounted
iHex tool
jExtron logo (fits in grill to cover locking port access)
kFront grill retaining screws (2)
1
2
3
4
5
10
11
9
8
7
6
Figure 3 — Speaker features
Features

Installation
3
SI 3 Speakers • Installation
Installing the SI 3 Speakers
The Extron SI 3 speakers can be mounted on a surface, such as a
wall or post, or mounted in a bookcase, or on a shelf, and can be
used with any Extron product supporting audio.
NIf the speakers are to be placed on a horizontal surface such
as a desk or shelf, attach the back cover to enhance the
speaker appearance.
RS-232/MLC/IR
Tx Rx IR 12V
A B C
PREAMP
100-240V
1.0AMAX.
50-60Hz
INPUT4
AUDIOINPUTS
LINELEVEL
MONO
AUDIO
AUDIO
LINEOUT
AUX/MIX
ADJUST
-42dB
TO
+24dB
L
R
L
R
L
R
123
INPUTS
OUTPUTS
VIDEO
HV
B
G
R
Y
123
INPUTS
MONITOROUT
45
6
C
RIGHT
LEFT
AMPLIFIEDOUTPUT
R
Extron
SI 3
Surface-mount
Speakers
Laptop
w/ Audio
Document CameraVCRDVD
Projector
PC
RGBHV
S-video
Video
Extron
MLS 406SA
MediaLink Switcher
Figure 4 — Surface speaker application
Desktop or bookshelf applications
1. For quick installation on a desktop or bookshelf, simply
place on a desk, shelf, or other flat surface as desired.
2. Route the speaker wire (Extron recommends using
12-18 AWG) to the speakers.
3. Strip the wire and connect the speakers as described in
"Wiring the speakers" on page 8.

4SI 3 Speakers • Installation
Installation, cont’d
Wall mounting applications
Installing the wall mount assembly
NBefore starting installation, ensure that the wall and
wall material are capable of supporting the combined
weight of the speakers and the wall mount assemblies.
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 central hex cap screw (turning it counter clockwise)
with the supplied hex tool. Rotate the front section
approximately 90 degrees to the rear mounting plate, as
shown in figure 5, and tighten the hex cap screw to lock the
front section in position. This makes the next steps easier
to perform.
Fasten the
wall mount plate
to the vertical
surface.
Rotate front
section 90°
Rear Mounting Plate
Figure 5 — Rotating and mounting the wall mount
assembly
3. Mark the location of the wall mount plate's primary
mounting holes on the stud line, and drill pilot holes.
NFor some surfaces the four alternative pilot dimples
(see figure 6) may be used to secure the assembly in place.
Mark and drill as appropriate.
Alternative
Pilot Dimples
Alternative
Pilot Dimples
Primary
Mounting
Holes
Line of Stud
Figure 6 — Mounting holes on the rear plate

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 interference. Where the stud is
wider than the plate's access hole, cut the hole in the wall
to the left or right and directly alongside the stud (see
figure 7).
NBefore cutting the hole in the wall, make sure the plate will
hide the hole after installation.
5. Using compatible speaker wire (Extron recommends using
12-18 AWG), route the wire from the audio source to the
speaker location by the most convenient and safe route. If
the wiring is to remain hidden behind the wall, follow the
stud to where the small access hole has been cut, and feed
about two feet of wire out through the hole into the room.
If necessary, bend the wire behind the plate to align with
the hole in the plate (see figure 7). If possible, secure the
wire to the stud at various places. Allow enough freedom
of movement at the hole for speaker connection.
Cut an acess
hole alongside
the stud and
feed the speaker
wires though the
hole.
Wall Stud
Speaker Mounting Assembly
Wall
Approximate Stud
Line Behind Wall
Bend wire to line up with
access hole in the plate.
Figure 7 — Installing the wall mount assembly
NExtron recommends that the wiring installation be
performed by a professional audio equipment installer.
5
SI 3 Speakers • Installation

Installation, cont’d
6SI 3 Speakers • Installation
6. Pull sufficient wire up through the holes in the rear plate
(see figure 8) to allow ease of connection to the speaker
after installation.
N Do not strip and connect the wire at this time.
Pass the wires
through the plate
access hole.
Line of Stud
Figure 8 — Passing the wire through the plate
7. Place the wall mount assembly against the wall, aligning
the plate mounting holes with those drilled, and secure the
assembly with appropriate hardware (see figure 5) using a
screwdriver with an appropriate screw bit.
8. When the assembly is securely in place, loosen the hex cap
screw (turn counter clockwise) and rotate the front section
back into a vertical position with the hex cap screw at the
top. Using the hex tool, turn the hex cap screw clockwise
to tighten it.
9. Repeat steps 1through 8for the second assembly mount.
Preparing the speaker for mounting
1. If the back covers were installed previously, remove them
by carefully inserting a flat bladed screwdriver to loosen
the two lower locking tabs first, then one or more of the
top tabs. Take care not to crack or chip the cover or break
off the locking tabs. Lift away the cover as it comes free.
2. At this point connect an optional seismic safety cable (not
supplied) to the rear of the speaker by looping it through
the hole on the box bracket and securing it (see figure 9).
Anchor the other end to a suitable secure point above the
speaker wall assembly mount.
CThe safety cable should be of sufficient strength
to support the full weight of the speaker and wall
mount assembly combined.
NEnsure that the cable is long enough to allow you to
connect the speaker wires and to manipulate the speaker
into position on the assembly mount.
Seismic Safety Cable
Anchor this end to a
suitable secure point.
Attach cable
here and
secure it.
Figure 9 — Attaching a seismic safety cable to the
rear of the speaker
Mounting the SI 3 speaker onto the wall mount assembly
3. Carefully lift the speaker above the wall mount assembly
and gently slide the speaker box bracket down into the
V-Lock groove (see figure 10) until it locks into place.
Lift the speaker up to the
wall mount assembly....
V-Lock
Groove
Box
Bracket
V-Lock
Groove
Box
Bracket
...and slide it down
into the V-lock groove.
Figure 10 — Sliding the speaker down onto the wall
mount assembly
4. Repeat steps 1 through 3 for the second speaker, then
proceed to "Wiring the speakers" section.
SI 3 Speakers • Installation 7

Installation, cont’d
6SI 3 Speakers • Installation
6. Pull sufficient wire up through the holes in the rear plate
(see figure 8) to allow ease of connection to the speaker
after installation.
N Do not strip and connect the wire at this time.
Pass the wires
through the plate
access hole.
Line of Stud
Figure 8 — Passing the wire through the plate
7. Place the wall mount assembly against the wall, aligning
the plate mounting holes with those drilled, and secure the
assembly with appropriate hardware (see figure 5) using a
screwdriver with an appropriate screw bit.
8. When the assembly is securely in place, loosen the hex cap
screw (turn counter clockwise) and rotate the front section
back into a vertical position with the hex cap screw at the
top. Using the hex tool, turn the hex cap screw clockwise
to tighten it.
9. Repeat steps 1through 8for the second assembly mount.
Preparing the speaker for mounting
1. If the back covers were installed previously, remove them
by carefully inserting a flat bladed screwdriver to loosen
the two lower locking tabs first, then one or more of the
top tabs. Take care not to crack or chip the cover or break
off the locking tabs. Lift away the cover as it comes free.
2. At this point connect an optional seismic safety cable (not
supplied) to the rear of the speaker by looping it through
the hole on the box bracket and securing it (see figure 9).
Anchor the other end to a suitable secure point above the
speaker wall assembly mount.
CThe safety cable should be of sufficient strength
to support the full weight of the speaker and wall
mount assembly combined.
NEnsure that the cable is long enough to allow you to
connect the speaker wires and to manipulate the speaker
into position on the assembly mount.
Seismic Safety Cable
Anchor this end to a
suitable secure point.
Attach cable
here and
secure it.
Figure 9 — Attaching a seismic safety cable to the
rear of the speaker
Mounting the SI 3 speaker onto the wall mount assembly
3. Carefully lift the speaker above the wall mount assembly
and gently slide the speaker box bracket down into the
V-Lock groove (see figure 10) until it locks into place.
Lift the speaker up to the
wall mount assembly....
V-Lock
Groove
Box
Bracket
V-Lock
Groove
Box
Bracket
...and slide it down
into the V-lock groove.
Figure 10 — Sliding the speaker down onto the wall
mount assembly
4. Repeat steps 1 through 3 for the second speaker, then
proceed to "Wiring the speakers" section.
SI 3 Speakers • Installation 7

8SI 3 Speakers • Installation
Installation, cont’d
Wiring the speakers
1. When both speakers are in place,
carefully pull enough speaker wire
to reach to the terminals at the back
of the each speaker and strip the
ends of the wire approximately 5/8" (15 mm). Twist the
bare strands so that they are held firmly in the connectors.
2. Press down on the spring loaded terminals to open the
holes at the top. Observing the correct polarity, (positive
wire to ,terminal and negative wire to .terminal)
insert the twisted ends into the open holes (see figure 11)
and release the springs to secure them. Push any loose
wire back into the wall.
CDo not connect the speaker wires from one channel
in parallel (together) with wires of the other channel
on the same terminal.
Push down on the spring terminals
at the back of the speaker, and insert
the wires. Release the springs to secure.
INPUT
Extron
Extron
Positive Wire
Negative
Wire
Figure 11 — Inserting wiring into the terminals
3. Turn on the audio source and any associated devices.
Follow the manufacturer's instructions to adjust the source
and device settings as desired to get the optimum audio
output for your speaker application. It may be necessary
to adjust the angle of the speaker (see steps 5 and 6below)
to get the best audio coverage area for your application.
4. To adjust the angle of the speaker, carefully remove the
Extron logo on the front of the speaker to expose the front
locking access (see figure 3, item b, for location). To do
this, carefully pry the logo away with your fingers or use a
small flat head screwdriver (see figure 12), taking care not
to damage the front grill or the logo.
Gently pry
away logo.
Figure 12 — Removing the logo from the front grill
Twist the bared wire.
Strip approx. 15 mm (5/8").

5. Insert the hex tool into the locking access, and slightly
loosen the hex cap screw. Adjust the speaker to the desired
angle (see figure 13), and torque the hex cap screw down
clockwise until snug, about 6 to 8 turns. The speaker
remains securely in the desired position.
Turn clockwise
to tighten.
Figure 13 — Adjusting speaker and locking in place
NCheck that the speaker is secure and cannot be lifted from
the wall mount assembly after locking it into place. If it
does lift out, continue tightening down the hex cap screw
until it is no longer possible to lift the speaker from the
wall mount assembly.
6. Replace the Extron logo, pressing it firmly into place.
NThe Extron logo can be fitted either horizontally or
vertically
Service Access
In order to service the speaker it may be necessary to remove the
front grill.
To remove the grill:
1. Carefully remove the Extron logo (see step 4 on page 8).
2. Remove the two small screws from the front grill (see
figure 14 for location).
Remove these
screws to
remove grill.
Figure 14 — Grill retaining screws under the Extron
logo (shown with logo removed)
3. Using a paper clip or similar wire, hook the grill and
carefully pull it away, taking care not to damage it.
9
SI 3 Speakers • Installation

10 SI 3 Speakers • Troubleshooting Tips
Troubleshooting Tips
To refit the grill:
1. Carefully press the grill back into place.
2. Insert and tighten down the screws.
3. Replace the logo.
Securing the grill (optional)
NIf the speaker makes the grill vibrate and creates unwanted
noise when in use, it can be secured to the speaker
enclosure using the supplied pack of putty.
To secure the grill, do the following:
1. After removing the grill, press four pieces of putty onto the
outer edges of the grill, one on each edge (see figure 15).
Apply 4 pieces
of putty (supplied).
Figure 15 — Applying the putty to speaker grill
2. Press the grill firmly into place on the enclosure.
3. Insert and tighten down the two screws. Replace the logo.
Troubleshooting Tips
If you have problems with your speaker, refer to the table on
page 11 for the possible problem, cause, and remedial action.
If you do not see your problem listed, or if the remedial action
suggested does not cure the problem, consult your local Extron
dealer or the Extron S3 Sales and Technical Support Hotline (see
Warranty).
The following are tips to help you in troubleshooting:
• Some symptoms may resemble others, so you may want to
look through all of the examples before attempting to solve
the problem.
• Be prepared to backtrack in case the action taken doesn’t
solve the problem.
• It may help to keep notes and sketches in case the
troubleshooting process gets lengthy. This will also give
you something to discuss if you call for technical support.
• Try simplifying the system by eliminating components that
may have introduced or complicated the problem.

Observed
Problem
Possible Cause(s) Remedial
Action
1 Speaker easily
lifted from mount
assembly
Locking hex cap
screw not tightened
enough
Following the steps on page 9,
tighten the hex cap screw until
it is not possible to remove the
speaker.
2 No sound heard
from speakers
Speaker cables
not connected or
damaged
Output device
(e.g., amplifier)
Reconnect or replace speaker
cable. Check cable routing.
Check that the output devices
are plugged in and powered on.
Check that all cables are
connected correctly.
Check that an output signal
is present. If present, change
cables and/or use a known
working set of speakers.
Check that volume settings are
adequately high.
Replace suspect devices with
known working devices. Retry
the system.
3 Output poor or
intermittent
Damaged cables or
faulty connection
Check cables and connections.
Reconnect or replace if needed.
4 Constant buzzing,
hissing, or
humming
Faulty device(s)
within sound
system
System grounding
inadequate or
suspect
Check all devices. Swap out
and test with known working
devices to isolate interference
source. Replace faulty device(s).
Check grounding to devices and
repair where needed.
5 Poor low
frequency output
Incorrect speaker
polarity connection
between multiple
speakers
Check polarity between
speakers. Incorrect polarity
(out of polarity) results in low
frequencies cancelling each other
out. Reverse polarity for each
speaker in turn until a greater
low frequency is obtained.
11
SI 3 Speakers • Troubleshooting Tips

12 SI 3 Speakers • Specifications
Audio/acoustic and electrical
Speaker type................................... Indoor/outdoor surface mount speaker
Frequency range............................ 75 Hz to 18 kHz, -10 dB, half space
Power capacity .............................. 16 W continuous pink noise
32 W continuous program
Nominal sensitivity....................... 83 dB SPL, 1W, 1m, half space
Nominal impedance ..................... 8 ohms
Driver.............................................. 3" (76.2 mm) paper cone
Overload protection...................... Full range power limiter
Input connector ............................. 2 pin spring terminals
General
Package........................................... 2 speakers (1 pair)
Temperature/humidity................ Storage: -40 to +158 °F (-40 to +70° C) /
10% to 90%, noncondensing
Operating: +32 to +122 °F (0 to +50° C) /
10% to 90%, noncondensing
Mounting........................................ Wall mountable with included V-lock™
brackets
N V-lock brackets can be angled up to 20° upward,
35° downward, 30° to the left, and 30° to the right.
Enclosure type ............................... Plastic, trapezoidal, with metal grille and
bass reflex ports
Grill material.................................. Perforated steel, powder coat black
or white
Enclosure outer dimensions ........ 8.75" H x 5.75" W x 5.6" D
(22.2 cm H x 14.6 cm W x 14.24 cm D)
Product weight .............................. 4.0 lbs (1.8 kg) each
Shipping weight ........................... 13 lbs (6 kg) per pair with mounting kit
package
Warranty......................................... 5 years parts and labor
NAll nominal levels are at ±10%.
NSpecifications are subject to change without notice.
Specifications

Extron’s Warranty
Extron Electronics warrants this product against defects in materials and workmanship
for a period of five years from the date of purchase. In the event of malfunction during
the warranty period attributable directly to faulty workmanship and/or materials, Extron
Electronics will, at its option, repair or replace said products or components, to whatever
extent it shall deem necessary to restore said product to proper operating condition,
provided that it is returned within the warranty period, with proof of purchase and
description of malfunction to:
USA, Canada, South America, Europe, Africa, and the Middle East:
and Central America: Extron Electronics, Europe
Extron Electronics Beeldschermweg 6C
1001 East Ball Road 3821 AH Amersfoort
Anaheim, CA 92805, USA The Netherlands
Asia: Japan:
Extron Electronics, Asia Extron Electronics, Japan
135 Joo Seng Road, #04-01 Kyodo Building
PM Industrial Bldg. 16 Ichibancho
Singapore 368363 Chiyoda-ku, Tokyo 102-0082
Japan
This Limited Warranty does not apply if the fault has been caused by misuse, improper
handling care, electrical or mechanical abuse, abnormal operating conditions or non-
Extron authorized modification to the product.
If it has been determined that the product is defective, please call Extron and ask for an
Applications Engineer at [phone] (USA), 31.33.453.4040 (Europe), 65.6383.4400
(Asia), or 81.3.3511.7655 (Japan) to receive an RA# (Return Authorization number). This
will begin the repair process as quickly as possible.
Units must be returned insured, with shipping charges prepaid. If not insured, you
assume the risk of loss or damage during shipment. Returned units must include the
serial number and a description of the problem, as well as the name of the person to
contact in case there are any questions.
Extron Electronics makes no further warranties either expressed or implied with respect
to the product and its quality, performance, merchantability, or fitness for any particular
use. In no event will Extron Electronics be liable for direct, indirect, or consequential
damages resulting from any defect in this product even if Extron Electronics has been
advised of such damage.

© 2007 Extron Electronics. All rights reserved.
Extron Electronics, USA
1230 South Lewis Street
Anaheim, CA 92805
800.633.9876 714.491.1500
FAX [phone]
Extron Electronics, Europe
Beeldschermweg 6C
3821 AH Amersfoort, The Netherlands
+800.3987.6673 +31.33.453.4040
FAX [phone]
Extron Electronics, Asia
135 Joo Seng Rd. #04-01
PM Industrial Bldg., Singapore 368363
+800.7339.8766 +65.6383.4400
FAX [phone]
Extron Electronics, Japan
Kyodo Building, 16 Ichibancho
Chiyoda-ku, Tokyo 102-0082
Japan
+81.3.3511.7655 FAX [phone]
www.extron.com