ULP625X ENCLOSURE
ULTSG4CT572
ASSEMBLY
INSTALLATION SHEET #IS-ULT
ULT Series 4" Speaker Assemblies
for Fire Protective Signaling
Installation - Series ULT (28LO) Fire Protective Signaling Speaker
These speakers are intended to be employed in either of the following configurations:
B. For general (non-fire alarm) signaling service in conjunction with compatible Listed sound
recording and reproducing equipment, the combination of which is intended to be installed in
accordance with the applicable requirements of the National Electrical Code and the local
authorities having jurisdiction. The amplifier or other sound reproducing equipment provides the
power for voice communication or any other related function to the speakers.
Connection Notes: Parallel input leads are provided on Series ULT speakers for proper utilization
of the electrical supervision scheme. Connect one pair (red and black) to the incoming line from
the signal source or previous speaker. Connect the other pair (red and black) to the outgoing line
to the next speaker or end-of-line termination device. A red jumper is connected to the 70.7V 0.5W
tap when shipped from the factory. If desired, move the red jumper to a different transformer power
tap lug. See "Figure 1" on this page for available transformer power taps.
Instruction Sheet:
IS-ULT P/N 13244
Page 1 of 1
Printed in U.S.A. 2-12-10
Lowell Manufacturing Company
100 Integram Drive
Pacific, Missouri 63069 U.S.A.
Call: 800-325-9660
Fax: 636-257-6606 Click: www.lowellmfg.com
ULCP4 ENCLOSURE
ULCB44 ENCLOSURE
ELECTRICAL SPECIFICATIONS
Frequency Response: 60Hz - 12kHz + 9dB Intended Use: Indoor Dry Locations
JR410 Driver Size: 4" (EIA 5")
JR410 Driver Power Rating: 15 watts RMS
Supervision Capacitor: 10uF 160V. Maximum Allowable Supervision Voltage: 100 VDC.
JR410 Magnet: 10 oz. Ceramic
JR410 Impedance: 8 Ohms
2kHz Dispersion at -6dB down points: With SG4 Grille:120 Degrees/With WB4 Grille:110 Degrees
JR410 Driver Construction: Paper Cone, 1" Voice Coil, 20 Gauge Stamped Steel Basket
ULTWB4CT572
ASSEMBLY
FRONT VIEW
70V-5W
70V-2W
25V-0.25W
70V-1W
25V-5W
25V-2W
25V-1W
REAR VIEW
25V-0.5W
70V-0.5W
70V-0.25W70/25V COM
8 OHM
SPKR COM
FIGURE 1
#13456
TRANSFORMER TAPS
MAXIMUM
VOLTAGE
TLM572 (#13456)
TRANSFORMER TAP
UL dBA RATING AT 10FT
5.0 W.
2.0 W.
1.0 W.
0.5 W.
0.25 W.
0.25 W.
0.5 W.
1.0 W.
2.0 W.
5.0 W.
ULTWB4CT572 ULTSG4CT572
75.6
ELECTRICAL AND AUDIBLE RATINGS
70.7 V
RMS
25 V
RMS
UL dBA RATING AT 10FT
82.9
79.7
76.9
60.0
82.7
80.2
77.2
60.2
75.6
82.9
79.7
76.9
60.0
77.9
82.7
80.2
77.2
60.2
77.9
Note: The UL dBA ratings given above are the low readings from 11 samples so they may not be as expected for one sample.
Directional Characteristics Test With Full Power Pink Noise Input Measured at 3m:
On Axis = 92.2dBA, -3dBA at 50
o
off axis, -6dBA at 70
o
degrees off axis, 83.0dBA at 90
o
off axis
A. For fire alarm signaling service in conjunction with a compatible Listed system control unit, the
combination of which is intended to be installed as a combination system control in accordance
with the applicable requirements of NFPA 72 and the local authorities having jurisdiction. The
amplifier, in conjunction with the tone generator located in the control unit, provides the power and
signal, either for the alarm evacuation and/or for voice communication.
FIRE ALARM
EQUIPMENT
28LO
SIGNALING
LISTED
U
L
R
(2 Seiten)
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