Extron electronic SI 26 User Manual

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User’s Manual

DRAFT COPY

© 2006 Extron Electronics. All rights reserved.

SI 26 and SI 28

Surface Mount Speakers

68-1164-01

Rev. Ax1

05 06

Features

1

2

3

4

5

6

7

8

9

10

11

Dimensions: SI 26: 13.0" H x 8.5" W x 6.75" D

Dual tuned bass reflex ports

a

1" ferrofluid-cooled, aluminum dome tweeter

b

Front locking access (allows for speaker position adjustment)

c

6.5" (SI 26) or 8" (SI 28) long-throw woofer

d

Grill and enclosure may be painted to match environment

e

Weather resistant construction

f

Push down spring terminals

g
h

Back cover for use when speakers are not wall mounted

i

Allen hex tool

j

Extron logo (fits in grill to cover locking port access)

k

8 ohm nominal impedance

l
m
n

Internal driver overload protection circuit

o

i

SI 26 and SI 28 Speakers • Features

Figure 1 — Speaker Features

(33.0 cm H x 21.6 cm W x 17.1 cm D)
SI 28: 16.5" H x 11.5" W x 8.6" D
(41.9 cm H x 29.2 cm W x 21.9 cm D)

Wall mount assembly with unique V-Lock™ (Patent Pending)
system included

75 watts (SI 26) or 90 watts (SI 28) continuous pink noise

150 watts (SI 26) or 180 watts (SI 28) continuous program

N For items 12 through 15, see "Specifications", page 7

of this manual.

Introduction

About the SI 26 and SI 28 Speakers

The Extron System INTEGRATOR™ SI 26 and SI 28 two-way
surface mount speakers are ideally suited for classrooms,
conference rooms, and boardrooms. With a weather resistant
construction, they are also suitable for outdoor environments.

• SI 26 features a 6.5" long-throw woofer, 1" tweeter, 150 watts
continuous program capacity, and frequency response from 70
Hz to 20 kHz.

• SI 28 features an 8" long-throw woofer, 1" tweeter, 180 watts
continuous program capacity, and frequency response from 50
Hz to 20 kHz.

Figure 1 — Extron SI surface speakers

N Extron recommends that the wiring installation is

performed by a professional audio equipment installer.

C

Use cable clamps to hold the cables in place for

strain relief. Trim back/insulate exposed cable
shields with heat shrink to reduce the chance of short
circuits

SI 26 and SI 28 Speakers • Introduction

1