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Specifications subject to change without notice
© 2001 Atlas Sound LP Printed in U.S.A. 000801 PN 389525 SL4-1571
267
FOUR
1601 JACK MCKAY BLVD. / ENNIS, TEXAS 75119 U.S.A. / TELEPHONE: (800) 876-3333 / FAX (800) 765-3435
"SWITCHED" WHISPERTOUCH
®
8-OHM STEREO VOLUME CONTROLS
DWS-8
a
a
* Suffix model with color: ivory (-I), white (-W)
***Carlon Model B120A or equivalent recommended. Decora® is a registered Trademark of Leviton Corp.
MODEL POWER INSERTION FREQUENCY PLATE REQUIRES
SERIES* RATING IMP. LOSS RESPONSE STEPS TYPE STYLE (ORDER SEPARATELY) WEIGHT
DWS-8 50 Watts 8 Ohm .5dB 20Hz - 6 @ 3dB Stereo Decora** 12-18 Gauge Wire & 1 lb
20kHz 3 @ 6dB Switched 1
5
⁄16" x 2
5
⁄8" 20 cu. in. E.O. Box (by others***) (.45 Kg)
(-3dB, +0) 1 @ 9dB PS-M12 (200 mA) Powers up to 3 Units or
1@ 28dB
PS12-10 (1 Amp) Powers up to 12 Units
72dB Total
(11 Steps Total, plus "off")
REQUIRED
AMPLIFIER
OUTPUT
IMPEDANCE
DWS-8 Series
Shown with Decora-style subplate (Supplied)
Top View
Side View
4
1
⁄
8
"
1
5
⁄
16
"
2
13
⁄
16
"
1
11
⁄
16
"
2
5
⁄
8
"
2
5
⁄
8
"
FEATURES
• Two-Color LED and Pushbutton Switch Provide Visual Indication and
Convenient Access to the Active Sound System
• Pushbutton Switch Shuts Off with the System and Remains Off Until Reselected
• Provides Precision Level Control in 3dB Increments (Lowest 6 Steps)
• 50-Watt, 8-Ohm Rating Achieves Clear, Stereo Music Reproduction
• Impedance-Matching Capability of 2X, 4X & 8X Provides System Design Flexibility
• 1x Setting Allows Use As A Standard 8Ω Non-Impedance Matching Volume Control
• Low-Profile Styling is Offered with Decora-Style or Standard Plate in Ivory or White
APPLICATION
Top-of-the-line, 8-ohm WhisperTouch DWS Series offers superior styling, fine-tune
level control, and an on/off switch for local audio access control. They are the per-
fect choice for residential/custom installation and professional applications of all
kinds including: homes, medical, legal, and dental offices, studios, and high-profile
businesses that expect clear music reproduction and precise level control.
GENERAL DESCRIPTION
WhisperTouch 8-ohm, switched volume controls provide for clear, distortion-
free stereo music reproduction when one or multiple loudspeaker pairs are
powered by a single amplifier. Model DWS-8 is an 8-ohm device with a smart
on/off switch, LED status indicator, and a volume-control knob mounted to a
decora-style wall plate.
Frequency response is 20Hz - 20kHz (-3dB, +0). Attenuation is accomplished
in ten steps plus positive off. The first six steps are 3dB for fine tune control at
low listening levels, the next three steps are 6dB, followed by one 9dB step
and finally one 28dB step before "off".
The “switched” WhisperTouch series features an electronic on/off pushbutton
switch that provides access to the active audio system without going to the
main equipment location. It also turns itself off when the system shuts down,
and remains off until re-selected, thereby avoiding the problem of mass audio
distribution at previous system settings. The “switched” WhisperTouch volume
controls also feature a two-color LED that provides remote visual indication of
system availability. It appears “red” when the audio system is on, changing to
“green” when the volume control is activated.
Volume adjustments are made easily with the unique WhisperTouch low-pro-
file knob. Pleasant to the touch, this small knob measures
15
⁄16" Dia. and proj-
ects a mere
1
⁄2
" for unobtrusive yet functional operation. The control operates
smoothly with fine detents and make-before-break contacts for gradual and
uninterrupted transition of volume levels. High-quality units feature terminal
block conectors for easy hook-up and require a 12 VDC power supply (order
separately). Recommended models include PS-M12 which will power up to 3
units, or PS12-10 which will power up to 12 units. Assemblies measure 2
3
⁄4"
deep and mount into a 20 cu.in. E.O. Box such as Carlon Model B120A or
equivalent. Specify plate color: suffix (-I) for ivory or (-W) for white.
ARCHITECT AND ENGINEER SPECIFICATIONS
Attenuator for stereo, 8-ohm application shall be Atlas Sound WhisperTouch Model
_______. Attenuation shall be accomplished in ten steps with a positive off position.
The first six steps shall be 3dB, the next three steps shall be 6dB, followed by one
9dB step and one 28dB step for a total attenuation of 73dB. Insertion loss shall be
no greater than .5dB. Unit shall mount to a standard 20 cu. in. E.O. box. The wall
plate shall be decora-style, finished in ______ (ivory or white) with a matching
low-profile knob. 12 VDC power supply is required; specify Model __________
(PS12-10: powers up to 12 units, or PS-M12: powers up to 3 units ).
IMPEDANCE JUMPER SETTINGS
MAX. QTY. 8-OHM MAX. QTY.4-OHM
LOUDSPEAKER PAIRS LOUDSPEAKER PAIRS
JUMPER SETTING JUMPER SETTING
@1X @2X @4X @8X @1X @2X @4X @8X
8-Ohm 1 2 4 8 0 1 2 4
4-Ohm 2 4 8 16 1 2 4 8
2-Ohm 4 8 16 32 2 4 8 16
1-Ohm 8 16 32 64 4 8 16 32