Extron electronics SI 26CT User manual

Power Amplifier Speaker 1 Speaker 2 Speaker 3
To Subsequence
Speakers
Frame Construction Ceiling Installation
1
Take the cutout template from the packaging box and
punch out along the larger perforated circle. Place
the cutout template against the ceiling and trace the inside
of it. Carefully cut out the ceiling material along the circle.
4
Replace the top cover and tighten the screws.
Insert the speaker through the bottom of the hole in
the ceiling.
5
6
Loosen the four screws on the front baffle (counter
clockwise) 1/2 turn. Then tighten the screws (clockwise)
until the dog legs clamp the speaker to the ceiling.
Do not over tighten screws.
Connect a secondary support line from the seismic tab to a
secure support point. Install the speaker grill.
Specifications:
3
2
Remove the grill from the speaker.
CAUTION
Trace template.
Cut Material
Apply 4 pieces
(supplied) of
black putty.
Adjusting the Tap Selector.
Seismic Tab &
Support Line
SI 26CT
Ceiling Speaker
User’s Guide
Remove the top cover to access the speaker connector.
Attach the speaker wires to the 4-pole captive screw
connector. Use red for the positive (+) wire and black for
the negative (-) wire. Insert the 4-pole captive screw plug
into the connector on back of the speaker. Install the
conduit and secure the connections.
68-1065-01 A
Printed in the USA
06 05
Acoustic & Electrical
General
Speaker type.................................. 2-way, low profile ceiling speaker with metal can
Frequency range........................... 70 Hz to 20 kHz, -10 dB, half space
Power capacity.............................. 150 W continuous program
75 W continuous pink noise
Nominal sensitivity...................... 89 dB, 1 W, 1 m, 80 W tap half space
Nominal coverage........................ 110° conical coverage
Nominal impedance .................... 16 ohms
Crossover frequency................... 3.5 kHz
Rotarary switch taps.................... 70V: 60 W, 30 W, 15 W, 7.5 W, 16 ohm direct
100V: null, 60 W, 30 W, 15 W, 16 ohm direct
Woofer........................................... 6.5" (165 mm) polypropylene cone
with moisture resistant coating
Tweeter.......................................... 1.0" (25 mm) titanium dome
Overload protection....................... Full range power limiter with the 8 ohm direct input
only, protecting the tweeter, woofer, and crossover
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
Listings ........................................ UL 2043, UL1480
Compliances ................................ CE, NFPA90, NFPA70A
Warranty ....................................... 5 years parts and labor
NOTE: All nominal levels are at ±10%.
NOTE: Specifications are subject to change without notice.
Conduit
Inlarged to
show Detail
Cover
4-pole Captive
Screw Connector
Parallel Hookup Wiring Diagram
From
Power
Amplifier
To
Subsequence
Speaker
16
60W
30W
15W
7.5W
15W
16
30W
60W
70 V
100 V

Suspended Ceiling Installation
Remove the ceiling tile where the speaker is to be installed.
Painting the Speaker Baffle
Tear along the smaller perforated line of the cutout
template, marked as paint shield. Push it into the front
baffle of the speaker. Paint the front. Remove the paint
shield after the paint has dried.
Loosen the four screws on the front baffle (counter
clockwise) 1/2 turn. Then tighten the screws (clockwise)
until the dog legs clamp the speaker to the ceiling.
1
Cut the hole in the tile. See step 1 of the frame construction
ceiling section on back.
2
V-rail
C-ring
9
Apply 4 pieces (supplied) of black putty (see back).
Install the speaker grill.
6
Connect the wires to the speaker terminal clips (as in step 3
on back).
Application diagram:
Packaging
3
Remove the grill from the speaker.
4
Bring the speaker cable through the hole of the cut tile,
then reinstall the tile.
5
Remove the adjacent tile. Place 2 V-rails and 1 C-ring
across the tile where speaker is to be installed. Insert the
speaker through the bottom of the hole in the ceiling tile.
7
Do not over-tighten screws!
CAUTION
POWER
12V
3A MAX
OUTPUTS
4/8 Ohms
INPUTS
70V
COM 70V
REMOTE
(MONO)
(MONO)
LR
10V
LISTED
1T23
I.T.E.
VOL/MUTE
L
MPA 181T
R
CCUSUS
PC
Projector
DVD/VCR Combo
VGA w/
Audio Cable
Composite
Audio RCA Variable
Extron
VCM 100 AAP
Volume/Mute Controller
Extron
MPA 181T
Mini Power Amplifier
Extron
SI 26CT
Two-way Ceiling
Speakers
VOLUME
VCM 100
MUTE
8
Connect a secondary support line from the seismic tab
to a secure support point (see back).
SI 26CT
Ceiling Speaker
User’s Guide