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SF 228T
manual
’ x 2’ Ceiling Speakers
Models:
SF 228T
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User Guide
Audio Products
SF 228T
2’ x 2’ Ceiling Speakers
68-2018-01
Rev. A
05 11
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Contents
’ x 2’ Ceiling Speakers
SF 228T
Safety Instructions English
FCC Class a Notice
Conventions Used in this Guide
Contents
SF 228T Speaker System Contents
Introduction
Features
About this User Guide
SF 228T Application Example
Application Example
Installation Considerations
Installation
Installing the Speakers
Flexible Conduit Adapter
70/100 V Audio Distribution System
Speaker Cabling
Terminal Cover With Transformer Side Exposed
Proceed to Completing the Installation on
Direct 8 Ohm Connection to an Amplifier
Feet x 2 Feet Ceiling Tile Installation
Completing the Installation
Install the Seismic Safety Lines
Specifications
Specifications Dimensions Packaging
NFPA90A, NFPA70
Part Numbers
Dimensions
Packaging
Extron Warranty
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