Cooper-Wheelock ET Series

Low-Profile Speakers & Speaker Strobes

Features

Field Selectable Candela Settings of

15/30/75/110cd or 135/185cd (Multi-

Candela models) or 15/75cd (Single

Candela model).

field selectable candela settings of

15/30/75/95cd or 115/177cd (multi-

candela models).

the regulated voltage range.

voltage.

• Synchronize with Cooper-Wheelock SM,

DSM or power supply with built-in Whee-

lock sync protocol.

eration from 1/8 watt to 8 watts.

at minimum wattage across a frequency

range of 400 to 4000 HZ.

Listings

Listings and approvals below apply to the

basic ET Series Low Profile Speakers and

Speaker Strobes. In some cases, certain

modules may not be listed by certain ap-

proval agencies, or listing may be in proc-

ess. Consult factory for latest listing status.

S5391 (Strobe/Speakers)

7125-0785:146, 7125-0785:152

Description

Cooper-Wheelock’s high performance Series

ET Speakers and Series ET Speaker Strobes

provide high audio output, clear audibility,

selectable taps from 1/8 to 8 watts. They are

designed to meet the critical needs of the life

safety industry for effective emergency voice

communications, tone signaling and visible

signaling to alert the hearing impaired.

The low profile design incorporates a speaker

mounting plate for faster and easier installa-

tion. Each model has a built-in level adjust-

ment feature and an aesthetic two (2) screw

grille cover.

The Series ET Speaker Strobe models incor-

porate

Low

Current

draw

Series

RSS

Strobes.

Strobe options for wall mount models include

15/75 cd or Cooper-Wheelock’s patented

MCW multi-candela strobe with field select-

able candela settings of 15/30/75/110cd or

the high intensity MCWH strobe with field

selectable 135/185cd. Ceiling mount models

are available in Cooper-Wheelock’s patented

MCC multi-candela ceiling strobe with field

Multi-Candela Indicator

(bottom of Strobe Lens)

ET Low Profile Speakers & Strobes

CS-2240 09/01/06

Page 1 of 4

ET90 Series Speaker Strobe

ET70 Series Speaker Strobe

selectable intensities of 15/30/75/95cd or the high intensity MCCH strobe with

field selectable 115/177cd.

The strobe portion of all Series ET Strobes may be synchronized when used

with the Cooper-Wheelock SM, DSM sync modules or any power supply with

patented Cooper-Wheelock Sync Protocol. Cooper-Wheelock’s synchronized

strobes offer an easy way to comply with ADA recommendations concerning

photosensitive epilepsy.

Series ET70 and ET90 Speaker Strobes are UL Listed for indoor use under

Standard 1971 (Signaling Devices for the Hearing Impaired) and Standard 1480

(Speaker Appliances), and use a Xenon flashtube with solid state circuitry en-

closed in a rugged Lexan® lens to provide maximum reliability for effective visual

signaling. All inputs are supervised and employ IN/OUT wiring terminals for fast

installation using 12 to 18 AWG wiring.

Color options for Series ET speakers and speaker strobes are red or white.

Cooper-Wheelock’s Weatherproof Low Profile Speaker Strobe, Series ET70WP-

2475W-FR appliance has an extended temperature range of -31° F to 150° F

(-35° C to 66° C) that will satisfy virtually all outdoor and severe environment

applications.

The strobe has a 75 candela intensity on axis at 31°F (-35°C) and 180cd at 77°F

(25°C) with low current draw. For outdoor applications, the ET70WP-2475W-FR

must be wall mounted to a Weatherproof Back Box (IOB).