P82697 K
Sheet 1 of 4
273 Branchport Avenue
Long Branch, N.J. 07740
(800) 631-2148
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www.cooperwheelock. com
INSTALLATION INSTRUCTIONS
STH-15 HORN SPEAKER WITH MULTI-TAP TRANSFORMER
AND CAPACITOR FOR LINE SUPERVISION
Use this product according to this instruction manual. Please keep this instruction manual for future reference.
MODELS:
STH-15S Grey UL Listed under UL 1480 for Speaker Appliances
STH-15SR Red UL Listed under UL 1480 for Speaker Appliances
GENERAL:
The STH-15 is designed for multiple power requirements with high dBA output at each power tap. STH-15 models offer a choice of
field selectable taps, 1 to 15 Watts for either 25VRMS or 70VRMS audio systems. The Series STH-15 design incorporates a
compression driver, mounted on a double re-entrant horn for maximum output at minimum power across a frequency range of 400 to
4,000Hz. The speaker line inputs are compatible with standard reverse polarity supervision of circuit wiring by a Fire Alarm Control
Panel (FACP). A capacitor is wired in series with the multi-tap transformer for this purpose.
NOTE:
All
CAUTIONS
and
WARNINGS
are identified by the symbol
. All warnings are printed in bold capital letters.
WARNING: PLEASE READ THESE INSTRUCTIONS CAREFULLY. FAILURE TO COMPLY WITH ANY OF THE
FOLLOWING INSTRUCTIONS, CAUTIONS AND WARNINGS COULD RESULT IN IMPROPER APPLICATION,
INSTALLATION AND/OR OPERATION OF THESE PRODUCTS IN AN EMERGENCY SITUATION, WHICH COULD
RESULT IN PROPERTY DAMAGE, SERIOUS INJURY OR DEATH TO YOU AND/OR OTHERS.
SPECIFICATIONS:
Table 1: Wattage Selector Switch Settings and dBA
Setting 70V dB 25V dB
1
0.9W
93
Not Used
Not Used
2
1.8W
96
Not Used
Not Used
3
3.8W
96
0.48W
90
4
7.5W
99
0.94W
90
5
15.0W
102
1.8W
93
6
Not Used
Not Used
7.5W
99
7
Not Used
Not Used
15.0W
102
NOTES:
1.
Power Handling Capacity (RMS): 15W
2.
Sound Dispersion: 70 Degrees
3.
Constant Voltage Line: 25V or 70V
4.
Frequency Response: 400 - 4,000Hz (@ Full Rated Output)
5.
Sound Level (Peak): 120dB @ 15W, 1 Meter
6.
Dimensions: 7-7/8W X 8-3/4H X 9-5/16L
CAUTION:
Do not place switch in settings marked "not used". Failure to comply with these restrictions may cause damage to
components and will void the warranty.
Copyright 2006 Cooper Wheelock, Inc. All rights reserved.
