1
IMPO
RTAN
T:
IMPO
RTAN
T:
Go to
www.e
xtron.co
m
for the
product specifications.
SF 228T Plus • Setup Guide
General Setup
The SF 228T Plus features a low profile design that houses an 8-inch woofer and 1-inch dome tweeter and has the appearance of
a standard ventilation grill. All drivers and components above the ceiling are hidden behind the grill.
The SF 228T Plus is used in plenum rated ceiling spaces and can be mounted into a standard 2 feet x 2 feet or 2 feet x 4 feet
(with supplied t-rail crosspieces) false ceiling tile space on a T-bar grid, or, a frame installed in solid ceilings.
Application Example
The following illustration shows one way to configure a system using the SF 228T Plus.
NetPA U 1002 SERIES
LIMITER/PROTECT
SIGNAL
OVER
TEMP
2
1
mute
select
mute
select
AUDIO
Extron
NetPA U 1002-70V
Power Amplifier
Ethernet
Audio Line
Inputs
Audio Line Outs
Wireless Mic 1
Wireless Mic 2
Extron
SF 228T Plus
Plenum 2' x 2'
Ceiling Speaker
Extron
SF 228T Plus
Plenum 2' x 2'
Ceiling Speaker
Assistive Listening
System Transmitter
Extron
WPD 101 3.5 mm
Single Gang
Pass-Through
Wallplate
Figure 1.
SF 228T Plus Application Diagram
IMPO
RTAN
T:
IMPO
RTAN
T:
Go to www
.extron.com f
or the complete
user guide
, installation instructions,
and
specifications bef
ore connecting the
product to the po
wer sour
ce.
