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Cooper Wheelock ST-B4 Specification

Series st paging speakers and horns

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Series ST Paging Speakers and Horns
Provides clear, audible output for voice
paging, background music and tone
alerting.
Available features and options:
4", 8"
Flush mount, surface mount
Weatherproof horns
Grilles: Metal, plastic
Color: White, beige
Series ST
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Series ST-H15-B
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6-8 06/06
Paging Speakers
4", surface mount
ST-B4
8", fl ush mount
ST-C8
ST-C8M (metal)
8", fl ush mount
Recessed volume control
ST-C8V
ST-C8MV (metal)
Paging Horns
8" D, 15 Watt
ST-H15-B
10", 30 Watt
ST-H30
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Order Code
dBA @ 1 meter Frequency Response
White
4116
4"
8"
White
4114
White
8474
Transformer taps in watts: 1/8, 1/4, 1/2, 1, 2, 4
Sound output measured at 1W @ 2KHz for ST-B4,
White
4871
ST-C8, ST-C8V, ST-C8MV.
White
8475
Order Code
Beige
5147
15 Watt
30 Watt
Beige
5148
Full rated power for ST-H15-B and ST-H30.
ST-H30 Wattage Selector Switch Positions
1
70V
2.0
25V
0.3
100V 4.0
ST-H15-B Wattage Selector Switch Positions
1
70V
1.0
25V
-
100V 2.0
(800) 631-2148 • www.cooperwheelock.com
93
200 Hz, 10 KHz
95
80 Hz, 14 KHz
dBA @ 1 meter Frequency Response
122
275 Hz, 10 KHz
125
275 Hz, 10 KHz
2
3
4
5
6
3.8
7.5
15.0 30.0
-
0.5
0.9
1.9
3.7
6.9
7.7
15.0 30.0
-
-
2
3
4
5
6
2.0
3.8
7.5
15.0
-
-
0.48 0.94
1.9
7.5
3.8
7.5
15.0
-
-
7
-
13.9
-
7
-
15.0
-

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This manual is also suitable for:

St-c8St-c8mSt-c8vSt-c8mvSt-h15-bSt-h30