Extron electronic user manual Features, Introduction, About the SI 26 and SI 28 Speakers

Features

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Figure 1 — Speaker Features

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

A Dual tuned bass reflex ports

B 1" ferrofluid-cooled, aluminum dome tweeter

C Front locking access (allows for speaker position adjustment) D 6.5" (SI 26) or 8" (SI 28) long-throw woofer

E Grill and enclosure may be painted to match environment F Weather resistant construction

G Push down spring terminals

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

I Back cover for use when speakers are not wall mounted J Allen hex tool

K Extron logo (fits in grill to cover locking port access) L 8 ohm nominal impedance

M 75 watts (SI 26) or 90 watts (SI 28) continuous pink noise N 150 watts (SI 26) or 180 watts (SI 28) continuous program O Internal driver overload protection circuit

NFor 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

NExtron recommends that the wiring installation is performed by a professional audio equipment installer.

CUse 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

i SI 26 and SI 28 Speakers • Features SI 26 and SI 28 Speakers • Introduction 1