P82483 E
Sheet 1 of 7
273 Branchport Avenue
Long Branch, N.J. 07740
(800) 631-2148 Thank you for using our products.
www.wheelockinc.com
INSTALLATION INSTRUCTIONS
SERIES ET SPEAKERS AND STROBE SPEAKERS
Use this product according to this instruction manual. Please keep this instruction manual for future reference.
GENERAL:
Wheelock's Series ET Speakers and Strobe Speakers are UL Listed under Standard 1971 for Signaling Devices for the Hearing Impaired
and UL Standard 1480 for Speaker Appliances. The LSM strobes are listed at 15 candela under UL Standard 1971 and meet 75 candela
intensity on axis with low current draw. The Series ET is designed for multiple power requirements with high dBA output at each power
tap. All ET models offer a choice of field selectable taps, 1/8 to 8 Watts for either 25.0VRMS or 70.0VRMS audio systems. The Series
ET design incorporates a high efficiency speaker for maximum output at minimum power across a frequency range of 400 to 4000Hz and
features a sealed back construction for extra protection and improved audibility. All inputs are compatible with standard reverse
polarity supervision of circuit wiring by a Fire Alarm Control Panel (FACP). Series ET Strobe Speakers incorporate a Xenon flashtube
with solid state circuitry enclosed in a rugged Lexanļ lens to provide maximum reliability for effective visible signaling. The Strobe
Speakers are available with a choice of four UL Listed strobe options: Series LS, LSM, MS and IS. All models are Listed for indoor use;
LS/MS/IS models are Listed for ceiling or wall mount and LSM models are Listed for wall mount only, with the backboxes specified in
these instructions (see Mounting Options).
NOTE: All CAUTIONS and WARNINGS are identified by the symbol
. All warnings are printed in bold capital letters.
WARNING: 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 AND
SERIOUS INJURY OR DEATH TO YOU AND/OR OTHERS.
SPECIFICATIONS:
Table 1: UL Listed Models and Ratings
Model Speaker dBA at 10 Feet Strobe Voltage Strobe Mounting
(Rated Watts) (VDC) Candela Options
1/8 1/4 1/2 1 2 4 8 Min Nom Max (cd)
ET-1010 78 81 84 87 90 93 96 ---- ---- ---- ---- E,F,G,H
ET-1070 78 81 84 87 90 93 96 ---- ---- ---- ---- A,D
ET-1080 78 81 84 87 90 93 96 ---- ---- ---- ---- C,D
ET-1090 78 81 84 87 90 93 96 ---- ---- ---- ---- B
ET-1070-LS-24 78 81 84 87 90 93 96 20 24 31 15 A,D
ET-1070-LSM-24 78 81 84 87 90 93 96 20 24 31 15* A,D
ET-1070-MS-24 78 81 84 87 90 93 96 20 24 31 30 A,D
ET-1070-IS-24 78 81 84 87 90 93 96 20 24 31 75 A,D
ET-1080-LS-24 78 81 84 87 90 93 96 20 24 31 15 C,D
ET-1080-LSM-24 78 81 84 87 90 93 96 20 24 31 15* C,D
ET-1080-MS-24 78 81 84 87 90 93 96 20 24 31 30 C,D
ET-1080-IS-24 78 81 84 87 90 93 96 20 24 31 75 C,D
ET-1090-LS-24 78 81 84 87 90 93 96 20 24 31 15 B
ET-1090-MS-24 78 81 84 87 90 93 96 20 24 31 30 B
ET-1090-IS-24 78 81 84 87 90 93 96 20 24 31 75 B
*15cd models are UL Listed at 15cd and meet 75cd on axis.
Notes: 1. dBA is rated per UL Standard 1480 for Speaker Appliances. 2. Four (4) watt rating is only available with 70.0VRMS input.
Copyright 1993-1997 Wheelock, Inc. All rights reserved.
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