dn-2225:a1 • 2/9/10 — Page 1 of 4
ET Series
Low-Profile Speaker
and Speaker Strobes
Audio/Visual Devices
dn-2225:a1 • J-131
GENERAL
Wheelock’s high performance Series ET Speakers and Series
ET Speaker Strobes provide high audio output, clear audibility,
dual voltage (25/70 VRMS) capability and field 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 commu-
nications, tone signaling and visible signaling to alert the hear-
ing impaired.
The low profile design incorporates a speaker mounting plate for
faster and easier installation. Each model has a built-in level
adjustment feature and an aesthetic two (2) screw grille cover.
The Series ET Speaker Strobe models incorporate Low Current
draw Series RSS Strobes.
Strobe options for wall mount models include 1575 cd or Whee-
lock’s patented MCW multi-candela strobe with field selectable
candela settings of 15/30/75/110cd or the high intensity MCWH
strobe with field selectable 135/185cd.
Ceiling mount models are available in Wheelock’s patented
MCC multi-candela ceiling strobe with field 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 synchro-
nized when used in conjunction with the Wheelock SM, DSM
sync modules or the power supply with patented Wheelock Sync
Protocol. 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 enclosed in
a rugged Lexan® lens to provide maximum reliability for effec-
tive 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 plated.
Wheelock’s Weatherproof Low Profile Speaker Strobe, Series
ET70WP-2475W-FR appliance has an extended temperature
range of -40° F to 150° F (-40° C to 66° C) that will satisfy virtu-
ally all outdoor and severe environment applications.
For outdoor applications the ET70WP-2475W-FR must be wall
mounted to a Weatherproof Back Box (IOB). Models are avail-
able for surface mounting to Wheelock weatherproof backboxes
on walls or ceilings. The optional WP-KIT allows the weather-
proof backboxes (IOB, WPBB or WPSBB) to be mounted to a
recessed electrical box for concealed conduit installation. For
semi-flush installation, the WPA and WFPA kits allow a customer
to mount the weatherproof appliances to a recessed electrical
box without the need for an external weatherproof backbox.
FEATURES
• ADA/NFPA/UFC/ANSI compliant.
• Meets OSHA 29 Part 1910.165.
• Wall mount models are available with Field Selectable Can-
dela.
• Settings of 15/30/75/110cd or 135/185cd (Multi-Candela
models) or 1575cd (Single Candela model).
• Ceiling mount models are available with field selectable can-
dela settings of 15/30/75/95cd or 115/177cd (multi-candela
models).
• Strobes produce 1 flash per second over the regulated volt-
age range.
• 24 VDC with wide UL “Regulated Voltage” using filtered DC
or unfiltered VRMS input voltage.
• Synchronize with Wheelock SM, DSM or power supply with
built-in Wheelock sync protocol.
• Field selectable taps for 25 or 70 VRMS operation from 1/8
watt to 8 watts.
• High efficiency design for maximum output at minimum watt-
age across a frequency range of 400 to 4000 HZ.
• Fast installation with IN/OUT screw terminals using #12 to
#18 AWG wires.
!
WARNING: PLEASE READ THESE
SPECIFICATIONS AND ASSOCIATED
INSTALLATION INSTRUCTIONS CAREFULLY
BEFORE USING, SPECIFYING OR APPLYING
THIS PRODUCT. FAILURE TO COMPLY WITH
ANY OF THESE INSTRUCTIONS, CAUTIONS
OR 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.
ET70 Series
Speaker Strobe
ET90 Series
Speaker
Multi-Candela Indicator
(bottom of strobe lens)
2225ss70.jpg; 2225pho2.tif; 6601pho3.jpg
(4 pages)
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