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SP201K Datasheet PDF : 2 Pages
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SP201K Series Specifications
Architectural/Engineering Specifications
Speaker shall be a System Sensor Model SP201K dual voltage transformer speaker capable of operating at 25.0 or 70.7 nominal Vrms. Speaker shall be listed
to Underwriter’s Laboratories Standard S4048 for outdoor fire protective signaling systems. Speaker shall have a frequency range of 400 to 4000 Hz and shall
have an operating temperature from –40°F to 150.8°F. Speaker shall have power taps which are selected by shunts. The speaker must be installed with its
weatherproof backbox in order to remain outdoor approved per UL listing S4048. The speaker shall be suitable for use in air handling spaces, as well as wet
environments.
Mechanical Specifications
Speaker Size
4 inches (101 mm)
Grille Size
413/16˝ (122 mm) square
Back Box
65/8˝ × 5¼˝ × 4˝ (168 mm × 133 mm × 102 mm)
Operating Temperature Range
–40°F to 150.8°F (–40°C to 66°C)
Electrical Specifications
Input Terminals
12 to 18 AWG
Voltage Input
25.0 volts or 70.7 volts nominal
Power
1/4, 1/2, 1, and 2 watts
Frequency Range
400 to 4000 Hz
The SP201K Series is UL Listed from 400 to 4000 Hz, but will provide an output from 100 to 10,000 Hz.
Sound Levels for Each Transformer Power Tap
Input Volts
25.0
70.7
2W
1W
1/2 W
1/4 W
89
87
85
81
90
87
84
81
UL
Reverberant
(dBA @ 10 ft.)
Simple Voltage and Power Selection
Example: Selecting a 1 ⁄4 watt input when a 25.0 volt (nominal)
amplifier is being used.
25.0 V
70.7 V
2W
1W
1⁄2 W
1⁄4 W
SP201K Mounting
Outdoor
Back
Box
Conduit
Entrance
13/8˝ (4)
Ordering Information
Part No.
Description
SP201K
Red, square speaker, 413/16˝ grille, 1/4–2 watt power tap,
includes surface mount backbox
Speaker Voltage
25.0/70.7 Vrms
3825 Ohio Avenue • St. Charles, IL 60174
Phone: 800-SENSOR2 • Fax: 630-377-6495
©2007 System Sensor.
Product specifications subject to change without notice. Visit systemsensor.com for
current product information, including the latest version of this data sheet.
A05-0379-001 • 5/07 • #1735
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