Extron SI 26CT User manual

Brand: Extron

Model: SI 26CT

Category: Soundbar speakers

Type: User manual

Extron electronic SI 26CT is a premium 2-way ceiling speaker with a low profile and metal back can, designed for high-quality audio reproduction in a variety of commercial and residential applications.

With its wide frequency range of 70 Hz to 20 kHz, the SI 26CT delivers rich and detailed sound, making it suitable for both music and speech applications. The 150 W continuous program power capacity and 75 W continuous pink noise handling ensure ample volume for larger spaces.

The speaker features a 6.5" polypropylene cone woofer with a moisture-resistant coating for durability in humid environments, and a 1.0" titanium dome tweeter for clear and precise high frequencies.

Power Amplifier

Speaker 1 Speaker 2 Speaker 3

To Speakers

Frame Construction Ceiling Installation

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.

Replace the top cover and tighten the screws.

Insert the speaker through the bottom of the hole in

the ceiling.

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:

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

60W

30W

15W

7.5W

15W

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.

Suspended Ceiling Installation

Remove the ceiling tile where the speaker is to be installed.

Painting the Speaker Baffle

Cut 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.

Cut the hole in the tile. See step 1 of the Frame Construction

Ceiling Installation section on the back.

Apply 4 pieces of black putty (supplied), equally spaced 90°

apart, to the upper inside edge of the grille (see step 5 on

the back).

Install the speaker grille.

Connect the wires to the speaker terminal clips (see step 2

on the back).

Application diagram

Packaging

Bring the speaker cable through the hole of the cut tile,

then reinstall the tile.

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.

Do not over-tighten screws!

CAUTION

V-rail

C-ring

Connect a secondary support line from the seismic tab

to a secure support point (see step 5 on the back).

SI 26CT

Ceiling Speaker

User’s Guide

POWER

12V

3A MAX

OUTPUTS

4/8 Ohms

INPUTS

70V

COM 70V

REMOTE

(MONO)

10V

LISTED

1T23

I.T.E.

VOL/MUTE

MPA 181T

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

V-rails (4)

Mounting Screws

& Putty

C-rings

Speakers

Speaker Grilles

Extron SI 26CT User manual

Brand: Extron

Model: SI 26CT

Category: Soundbar speakers

Type: User manual

The speaker features a 6.5" polypropylene cone woofer with a moisture-resistant coating for durability in humid environments, and a 1.0" titanium dome tweeter for clear and precise high frequencies.

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Extron SI 26CT User manual

Extron SI 26CT User manual

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