Extron electronics SI 3 System INTEGRATOR Manuale utente

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

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)

Figure 3 — Speaker features

Features

Installation

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

LINEOUT

AUX/MIX

ADJUST

-42dB

+24dB

123

INPUTS

OUTPUTS

VIDEO

123

INPUTS

MONITOROUT

RIGHT

LEFT

AMPLIFIEDOUTPUT

Extron

SI 3

Surface-mount

Speakers

Laptop

w/ Audio

Document CameraVCRDVD

Projector

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.

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

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").

Indice

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