Extron electronics SI 28 Bedienungsanleitung
User’s Guide
Surface Mount Speakers
68-1164-01
Rev. A
11 06
SI 26 and SI 28
SI 26 and SI 28 Speakers • Packaging
Packaging Information
Part No.
XXX-XXX-01
Install 206W Ceiling Speaker
33-XXXX-01REV.
Thick Single Wall
Packing
Bottom Foam
Speakers
(each plastic
wrapped)
Allen Hex Tool
(plastic wrapped)
Top Foam
Product Label
Wall Mount
Assemblies
i
Figure 1 — SI 26 and SI 28 speaker packaging details
SI 26 and SI 28 Speakers • Introduction 1
About the SI 26 and SI 28 Speakers
The Extron System INTEGRATOR®SI 26 and SI 28 two-way surface
mount speakers are ideally suited for classrooms, conference
rooms, and boardrooms. With a weather resistant construction,
they are also suitable for outdoor environments.
• SI 26 features a 6.5" long-throw woofer, 1" tweeter, 150 watts
continuous program capacity, and frequency response from
70 Hz to 20 kHz.
• SI 28 features an 8" long-throw woofer, 1" tweeter, 180 watts
continuous program capacity, and frequency response from
50 Hz to 20 kHz.
Figure 2 — Extron SI surface speakers
NReferring to packaging information for location,
carefully remove and check contents before installation.
NExtron recommends that the wiring installation is
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 10.
Introduction
SI 26 and SI 28 Speakers • Features
2
Features
Dimensions: SI 26: 13.0" H x 8.5" W x 6.75" D
(33.0 cm H x 21.6 cm W x 17.1 cm D)
SI 28: 16.5" H x 11.5" W x 8.6" D
(41.9 cm H x 29.2 cm W x 21.9 cm D)
aDual tuned bass reflex ports
b1" ferrofluid-cooled, aluminum dome tweeter
cFront locking access (allows for speaker position adjustment)
d6.5" (SI 26) or 8" (SI 28) long-throw woofer
eGrill and enclosure may be painted to match environment
fWeather resistant construction
gPush down spring terminals
hWall mount assembly with unique V-Lock™ (Patent Pending)
system included
iBack cover for use when speakers are not wall mounted
jAllen hex tool
kExtron logo (fits in grill to cover locking port access)
lFront grill retaining screws (2)
• 8 ohm nominal impedance
• 75 watts (SI 26) or 90 watts (SI 28) continuous pink noise
• 150 watts (SI 26) or 180 watts (SI 28) continuous program
• Internal driver overload protection circuit
1
2
3
4
5
6
11
12
10
9
8
7
Figure 3 — Speaker Features
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 4 — 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.
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 SI 26 and 28 speakers" on page 8.
Wall mounting applications
Installing the wall mount assembly
NBefore starting installation ensure that the wall and wall
material is 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 hex cap screw (turning it counter clockwise)
with the allen hex tool supplied. Rotate the front section
approximately 90 degrees to the rear mounting plate, as
3
SI 26 and SI 28 Speakers • Installation
4SI 26 and SI 28 Speakers • Installation
Installation, cont’d
shown in figure 5 and tighten the hex cap screw to lock
the plate in position. This makes the next steps easier to
perform.
Fasten the
wall mount plate
to the vertical
surface (see step 7).
Rotate this
section 90°.
Figure 5 — Rotate and mount the wall mount
assembly
3. Mark the location of the wall mount plate's three 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
Figure 6 — Mounting hole locations 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 7).
NBefore cutting it, make sure the plate will hide the
proposed area of the hole after installation.
Cut access
hole alongside
stud and feed
wires though
hole.
Wall Stud
Wall Mount Assembly
Wall
Approximate Stud
line Behind Wall
Bend wire to line
up with access
hole in plate.
Hex Cap
Screw
Figure 7 — Install wall mount assembly
NExtron recommends that the wiring installation be
performed by a professional audio equipment installer.
5. Using compatible speaker wire (Extron recommends using
12-18 AWG), route the wire from the audio source to the SI
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 to align with the plate (see
figure 7). Secure the wire to the stud at various places, but
allow enough freedom of movement near to the hole for
connection to the speaker.
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.
Figure 8 — Pass the wire through the plate
5
SI 26 and SI 28 Speakers • Installation
Installation, cont’d
6SI 26 and SI 28 Speakers • Installation
7. Place the wall mount assembly against the wall, aligning
the plate holes with those drilled, and secure with
appropriate hardware (see figure 5), using a powered
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 allen hex tool, turn the hex cap screw
clockwise to tighten.
9. Repeat steps 1through 8for the second assembly mount.
Preparing the speaker for mounting
1. Remove the cover from the back of a speaker by pulling
the two attached tape tabs towards you and lifting the
cover away.
NIf the tape has been removed previously, carefully insert
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.
Pull tape
here...
...and lift away rear cover.
Figure 9 — Pull tape and lift away the rear cover
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 (see figure 10).
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
Attach line here
and secure.
Anchor this end to a
suitable secure point.
Figure 10 — Attach a seismic safety cable to the rear
of the speaker
Mounting the SI 26 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 11) until it locks into place.
Figure 11 — Slide the speaker down onto the wall
mount assembly
4. Repeat steps 1 through 3 for the second speaker, then
proceed to "Wiring the SI 26 and 28 speakers" section on
page 8.
Mounting the SI 28 speaker onto the wall mount assembly
3a. Carefully lift the speaker up as close to the bottom of the
wall mount assembly as possible and hook the right outer
edge of the speaker box bracket over the right inner edge of
the V-lock groove (see figure 12).
NHolding the speaker so that the lowest part of the speaker
is as close to the bottom of the V-lock groove as possible
makes it easier to hook the two parts together.
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.
SI 26 and SI 28 Speakers • Installation 7
8SI 26 and SI 28 Speakers • Installation
Installation, cont’d
Figure 12 — Hook the speaker over the edges of
the V-lock groove on the wall mount assembly
3b. Rotate the speaker until the speaker box bracket left edge
hooks over the left edge of the V-lock groove (see above).
3c. When the bracket is securely over the V-lock groove, gently
slide the speaker down until it locks into place.
4. Repeat steps 3a to 3c for the second SI 28 speaker.
Wiring the SI 26 and 28 speakers
1. When both speakers are in place, carefully pull enough
speaker wire to reach up to the terminals at the back of the
each speaker and strip the ends of the wire approximately
5/8"(15 mm). Twist the bared
strands so that they hold firmly in
the connector.
2. Press down on the spring loaded
terminals to open the holes at the
top. Observing the correct polarity, (,wire to ,terminal
and .wire to .terminal) insert the twisted wires into
the relevant open holes (see figure 13) and release the
springs to secure. Push any loose wire through the wall
mount assembly and back into the wall.
CDo not connect the speaker terminals to one channel
in parallel (together) with those of the other channel.
Figure 13 — Insert wiring into the terminals
V Lock
Groove Box
Bracket
Lift the speaker to the
wall mount assembly,
keeping it as low as
possible.
V Lock
Groove
Hook this
side first.
Box
Bracket
Box
Bracket
V Lock
Groove
Step 3a
Step 3b
Top View
Swivel and
hook this
side second.
Twist the bared wire
Strip approx. 15 mm (5/8")
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
Andere Handbücher für SI 28
1
Dieses Handbuch passt für folgende Modelle
1
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