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SI 26 and SI 28 Speakers • Introduction
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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
Introduction
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
N For items 12 through 15, see "Specifications", page 7
of this manual.
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Figure 1 — Speaker Features
SI 26 and SI 28 Speakers • Features
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