Power Amplifier
Speaker 1 Speaker 2 Speaker 3
To 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 bottom of the ceiling and
trace the inside of it. Carefully cut out the ceiling material
along the circle.
3
Replace the top cover and tighten the screws.
Insert the speaker through the bottom of the hole in
the ceiling.
4
5
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. Set the rotary tap selector and install
the speaker grille.
Specifications:
2
CAUTION
Adjusting the Tap Selector
Seismic Tab &
Support Line
SI 26CT
Ceiling Speaker
User’s Guide
Cut Material
Remove the top cover to access the speaker connector.
Attach the speaker wires to the 4-pole captive screw
connector (supplied). 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 Rev. B
06 06
Acoustic & Electrical
General
Speaker type.................................. 2-way, low profile ceiling speaker with metal back 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, 60 W tap, half space
Nominal coverage angle.............. 110° conical coverage
Nominal impedance .................... 16 ohms
Crossover frequency................... 3.5 kHz
Rotary switch taps.................... 70V: 60 W, 30 W, 15 W, 7.5 W, 16 ohms direct
100V: null, 60 W, 30 W, 15 W, 16 ohms 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 16 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.
Parallel Hookup Wiring Diagram
16
60W
30W
15W
7.5W
15W
16
30W
60W
70 V
100 V
Apply 4 pieces of black
putty (supplied), equally
spaced 90° apart, to the
upper inside edge of the
grille.
Conduit
Enlarged to
Show Detail
Cover
4-pole Captive
Screw Connector
From
Power
Amplifier
To Speaker
Trace template.
(2 pages)
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