Building Intelligent Networks
UDT, UHT SERIES
LOUDSPEAKER
APPLIANCES
www.firecontrolinstruments.com
DESCRIPTION
FCI loudspeaker notification appliances are
U.L. Listed for Emergency Fire Alarm Voice
Evacuation Systems under U.L. Standard
1480. The devices consist of a preassembled
4 or 8-inch speaker with fire retardant and
moisture resistant cone with whizzer, 70.7
volt line transformer and line supervision ca-
pacitor installed on a U.L. Listed square or
round grille.
A variety of U.L. Listed enclosures is also
available and must be used with the appro-
priate speaker/transformer/ grille package in
order to comply with U.L. Listing require-
ments.The superior performance and high
quality of these speaker assemblies allow their
use, when permitted, as background music
reproducers in addition to emergency use.
SPEAKER
Ceramic magnet
Frequency response
Output (1 Watt input)
Voice coil (8 ohm)
TRANSFORMER
Primary volts
Power rating (multi-tap)
Insertion loss
Terminations
.
SPECIFICATIONS
UHT
10 oz.
50 Hz - 15 kHz.
95 dB @ 1 mtr
1-inch diameter
70.7Vrms
½, 1, 2 & 5 Watt multi-tap
1.5 dB
6” color-coded
UDT
5 oz.
400 Hz - 4kHz.
94 dB @ 1 mtr
¾-inch diameter
70.7Vrms
¼, ½ & 1 Wa t t
1.5 dB
6” color-coded
ORDERING INFORMATION
SPEAKER
Part No.
136-48931
136-48831
136-50931
136-50831
ENCLOSURES
Part No.
136-98902
136-99830
Model
UDT7C-B-U52-4
UDT7C-B-U162-4
UHT70C-U51-8
UHT70C-U161-8
Model
U95-8
USE175-4
Size/Shape
4” dia. round , flush
4” square, flush
8” dia. round
8” square
Description
Recessed round enclosure
Surface square enclosure
Finish
White enamel
White enamel
White enamel
White enamel
Required Enclosure
See Fig. 1
See Fig. 1
U95-8
USE175-4
Size
11¾ dia. x 4¼ inches deep
11
5
/
8
x 11
5
/
8
x 4 inches deep
An ISO 9001 Company
Specifications are provided for information only, are not
intended to be used for installation purposes and are
believed to be accurate. However, no responsibility is
assumed by Fire Control Instruments for their use. Speci-
fications subject to change without notice.
© 2003 All Rights Reserve d
9020-0308/VER. 1.4
Page 1of 2
Building Intelligent Networks
UDT, UHT SERIES
www.firecontrolinstruments.com
Figure 1
NOTE: All boxes must be recessed in wall
Flush Mount (Figure 1)
Item No
1
2
3
Description/Model
UDT7C-B-U52-4
UDT7C-B-U162-4
Std. 4-inch square x 1½-inch deep electrical box
Std. 4-inch square x 1½-inch deep electrical box
Specifications are provided for information only, are not intended to be used for installation purposes and are believed to be accurate.
H owever, no responsibility is assumed by Fire Control Instruments for their use. Specifications subject to change without notice.
© 2003 All Rights Reserved
FIRE CONTROL INSTRUMENTS
16 Southwest Park,Westwood, MA 02090 USA • Tel: 781-471-3000 • Fax: 781-471-3099 • www.firecontrolinstruments.com
9020-0308/VER. 1.4 / Page 2 of 2
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