Extron electronic SI 28W User's Manual

Extron electronic Speakers User's Manual - SI 28W.
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1

Print at 100% - Do Not “Fit to Paper”.

4

5

Level speaker, position each wall clamp outward, and tighten
each screw until snug.
Install dust shield to protect the speaker during ongoing
construction.

Application diagram:

2

Carefully cut a hole along the inside of the traced line.

3

Attach the speaker wires to the 2-pole captive screw plug.
Use red for the positive (+) wire and black for the negative (-) 
wire.  Insert the 2-pole captive screw plug into the 2-pole
connector on the back of the speaker.

RS-232/

ML

C/I

R

Tx

Rx

IR

12

V

A

B

C

PR

EA

MP

100-

240V

1.0

A MAX.

50-60Hz

AU

DIO IN

PU

TS

LIN

E L

EVEL

MON

O

AU

DIO

AU

DIO

LIN

EOU

T

AU

X/M

IX

AD

JUST

-42dB

TO

+24dB

L

R

L

R

R

1

2

INPU

TS

OU

TPU

TS

VID

EO

H

V

B

G

R

1

2

INPU

TS

MON

ITOR

 OU

T

5

6

RIGH

T

LE

FT

AM

PLIF

IED

 OU

TPU

T

R

Extron
MLS 304SA
MediaLink  Switcher

SI 28W
Two-way In-wall
Speaker

Laptop

w/ Audio

Projector

VCR

PC

At least 1” from the stud.

Trace template.

SN XXXX

XXXX E XXX

XX 

00/0

0

SI 28W

In-W

all Spea

ker

33-

1235

-01

Imp

eda

nce

8 Oh

ms

Enginee

red

in USA

Determine speaker location.
Leave at least 1” clearance from the edge of the speaker
to the studs in all directions.  Hold or tape template in location,
make sure template is level.  Trace along the inside of the template.

224 mm x 326 mm

(8.8” x 12.85”)

Cut material.

Specifications:

Acoustic & Electrical

General

Speaker type..................................  2-way in-wall speaker
Frequency range...........................   30 Hz to 20 kHz, -10 dB, half space
Power capacity..............................   70 W continuous program,
 

35 W continuous pink noise

Nominal sensitivity......................      89 dB SPL, 1 W, 1 m, half space
Nominal impedance ....................    8 ohms
Crossover frequency...................     2.5 kHz
Woofer...........................................   8" (203 mm) polypropylene cone with  
 

moisture resistant coating

Tweeter..........................................  1" (25 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.

Cutout Template

Paint Guard

SI 28W

In-Wall Speaker

User’s Guide

Insert the speaker into the wall opening.
Loosen the six screws on the front baffle (counter
clockwise) 1/2 turn.  Then tighten the screws (clockwise)
until the dog legs clamp the speaker to the wall.

68-1102-01 

Rev. A

08 07

6

Remove the dust shield,
install the speaker grill.

Dust Shield

Do not over-tighten screws.

CAUTION

0.605981s