Extron electronics SI  26X User Manual Download Page 1

Frame Construction Ceiling Installation 

Take the cutout template from the packaging box and
punch out the larger perforated circle. Place the cutout
template against the ceiling and trace the inside of the
circle.  Carefully cut out the ceiling material around the
circle.

Insert the speaker through the bottom of the hole in 
the ceiling. 

Loosen the four screws on the front baffle
(counterclockwise) ½ turn. Then tighten the screws
(clockwise) until the dog legs clamp the speaker to
the ceiling.

Do not over tighten screws.

Install the speaker grill. 

Specifications: 

Packaging 

Bring the speaker cable through the hole in the ceiling 
and connect the leads to the speaker’s spring terminal 
clips. 

Remove the grill from the speaker. 

CAUTION

Trace template. 

Red (+) 
Black (-) 

Cut Material 

Apply 4 pieces (supplied) of

black putty to the edge of

the grill.

User’s Guide 

Cutout Template 

68-1166-01 

Rev. B

04 06

Acoustic & Electrical 

General 

Speaker type.................................. 2-way, open back ceiling speaker
Frequency range...........................  50 Hz to 20 kHz, -10 dB, half space
Power capacity..............................  50 W continuous program,
 

 

        25 W continuous pink noise

Nominal sensitivity......................     89 dB, 1 W, 1 m, half space
Nominal impedance ....................    8 ohms
Crossover frequency...................     3 kHz
Nominal coverage........................   110°
Woofer...........................................  6.5" (165 mm) polypropylene cone  
 

 

        with moisture resistant coating

Tweeter..........................................  0.75" (19 mm) titanium dome

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

Warranty .......................................   5 years parts and labor

NOTE

   All nominal levels are at ±10%.

NOTE

   Specifications are subject to change without notice.

SI 26X 

Ceiling Speaker

User’s Guide

Reviews: