Cooper Wheelock STH-15S Specification

Description

The Wheelock Series STH-15S supervised horn loudspeakers
are equipped with a compression driver providing up to 15
watts RMS power handling capability, superior intelligibility
and dispersion to achieve maximum sound projection and
penetration.
Weather-resistant metal construction and reentrant acoustic path
assure protection against water, humidity, vermin and corrosion.
The mounting bracket allows directional sound dispersion via
vertical and horizontal positioning. Provisions are also included
for surface or strap mounting to pillars and I-beams.
All models include a built-in 25/70/100 V transformer featuring
a screwdriver adjustable, 7-position watt/impedance selection
switch. Wiring terminals are protected with a vandal-resistant
adapter cover for control equipment utilizing cable or conduit.
A built-in, 5 mfd capacitor is provided on both models for line
supervision.
All models meet or exceed the UL Listed standards for audible
signal appliances and are capable of operating within an
ambient temperature range of 66°C (150°F) to -35°C (-30°F).
Models comply with UL Standard 1480 — Speakers for Fire
Protective Signaling Systems and California State Fire Marshal
(Title 19).

Applications

The Wheelock Series STH-15S supervised horn loudspeakers are surface-mounting, high-efficiency units for life safety and communication
system applications. When used with compatible control equipment, they provide high-intelligibility voice reproduction and signal transmission
for indoor or outdoor emergency alarm and protective signaling.
Specifications and Ordering Information
Model Order
Number Code
STH-15S 7937 9" Dia. Supervised, Weatherproof, 15 Watt Horn, Loudspeaker with Transformer, Aluminum, Gray 4.5 lbs. (2.0 kgs.)
STH-15SR 7938 9" Dia. Supervised, Weatherproof, 15 Watt Horn, Loudspeaker with Transformer, Aluminum, Red 4.5 lbs. (2.0 kgs.)
UL Listed Adapter Plate, Designed to mount the STH-15SR Horn Speaker (7938) to a Series RSSP Strobe
SHMP-R 8154
Mounting Plate. For Surface Mount Applications, the SBL-2 (6988) Surface mount backbox is required.
STH- Weatherproof 15 watt supervised 25/70 horn loudspeaker and 15/30/75/110cd strobe with mounting plate,
6096
RSSP-KIT adjustable mounting base for horn and backbox. Red color.
U
L
®
S2652
151-92-E 7320-0785:144
Series STH-15S Supervised Horn Loudspeaker
STH-15S (Gray)
STH-15SR (Red)

Features

• Approvals include: UL Standard 1480 – (Speakers for Fire
Protective Signaling Systems), California State Fire Marshal
(CSFM) Title 19
• Meets or exceeds UL Listed standards for audible signal
appliances
• 15-Watt High Efficiency Compression Driver
• Weather-resistant, vandal-resistant aluminum construction
assures protection against water, humidity, vermin, and corrosion
• Reentrant acoustic path
• 25/70/100 V transformer featuring a screwdriver adjustable, 7-
position watt/impedance selection switch
• 5 mfd Capacitor for Line Supervision
• STH-15S Gray baked epoxy finish
• STH-15SR Red baked epoxy finish
• Simplified, universal-mounting bracket adjustable in horizontal
and vertical planes with banding slots for beam or pillar mounting
• Installation terminals and power selector are recessed mounted,
and protected by the metal interface adapter, or clear plastic
shield
Product Description
SHMP-R Adapter
Plate
Weight