D600-02-00 1 I56-1899-000R
3825 Ohio Avenue, St. Charles, Illinois 60174
1-800-SENSOR2, FAX: 630-377-6495
www.systemsensor.com
INSTALLATION AND MAINTENANCE INSTRUCTIONS
SPH-15R
Supervised Horn Loud Speaker
General Description
System Sensor SPH-15R is a high efficiency, UL listed, dou-
ble re-entrant type loudspeaker. The speaker complies with
the requirements of UL Standard 1480, Fire Protective
Signaling Speakers. The speaker is designed to be used in
conjunction with control equipment for highly accurate
reproduction of audible emergency and protective signals
as well as voice messages.
The SPH-15 Series speaker includes a supervisory capacitor
and is suitable for installation in systems employing super-
vised circuitry.
Specifications
Power: 15 Watts (max.)
Sound Level: 102 dB (15 watts input)
Frequency Response: 400–4000 Hz
Conduit Connection:
1
⁄2″ NPT
1
3
/4″
2
7
/8″ Dia.
1
/2″ Banding
Slot
9
/32″ Dia. 3 Holes
120 Deg. Apart,
on 2.312″ Dia. B/C
2″
Mounting Dimensions
Power Tap Selector Switch
Note: Terminal #2 is the positive terminal.
12
1
2
3
4
5
6
7
8
Switch 25 V dB @ 70 V dB @
Position Impedance Line 10 ft.* Line 10 ft.*
1 5.0K – – .9 W 93
2 2.5K – – 1.8 W 96
3 1.3K .48 W 90 3.8 W 96
4 666 .94 W 90 7.5 W 99
5 333 1.8 W 93 15.0 W 102
6897.5 W 99 – –
74515.0 W 102 – –
*UL 3 dB Increment Rating
Wiring Diagram
To conform with UL requirements, wires must be connect-
ed as shown in wiring diagram.
Note: The maximum wire size that can be connected to
this device is 12 gauge.
1
2
1
2
From
Amplifier
Speaker 1 Speaker 2
To Next Speaker
or End-of-Line Resistor
CAUTION: Do not loop wires under screw terminals. Break
wire run to provide supervision of connection.
A78-2717-00
A78-2718-00
A78-2716-00
Three-Year Limited Warranty
System Sensor warrants its enclosed speaker to be free
from defects in materials and workmanship under normal
use and service for a period of three years from date of
manufacture. System Sensor makes no other express war-
ranty for this speaker. No agent, representative, dealer, or
employee of the Company has the authority to increase or
alter the obligations or limitations of this Warranty. The
Company’s obligation of this Warranty shall be limited to
the repair or replacement of any part of the speaker which
is found to be defective in materials or workmanship under
normal use and service during the three year period com-
mencing with the date of manufacture. After phoning
System Sensor’s toll free number 800-SENSOR2 (736-7672)
for a Return Authorization number, send defective units
postage prepaid to: System Sensor, Repair Department, RA
#________, 3825 Ohio Avenue, St. Charles, IL 60174. Please
include a note describing the malfunction and suspected
cause. The Company shall not be obligated to repair or
replace units which are found to be defective because of
damage, unreasonable use, modifications, or alterations
occurring after the date of manufacture. In no case shall the
Company be liable for any consequential or incidental
damages for breach of this or any other Warranty,
expressed or implied whatsoever, even if the loss or dam-
age is caused by the Company’s negligence or fault. Some
states do not allow the exclusion or limitation of incidental
or consequential damages, so the above limitation or exclu-
sion may not apply to you. This Warranty gives you specif-
ic legal rights, and you may also have other rights which
vary from state to state.
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