Specifications subject to change without notice
© 2001 Atlas Sound LP Printed in U.S.A. 000501 SL1-1341
47
ONE
1601 JACK MCKAY BLVD. / ENNIS, TEXAS 75119 U.S.A. / TELEPHONE: (800) 876-3333 / FAX (800) 765-3435
BAFFLE / ENCLOSURE SPECIFICATIONS 
ALL WD SERIES MODELS ENCLOSURE DIMENSIONS 
INCLUDE BAFFLE MODEL SLOPE WIDE HIGH PROJECTS,TOP PROJECTS, BOTTOM
417-8WD 9.5° 9
1
⁄2" (242 mm) 101⁄2" (267 mm) 51⁄2" (140 mm) 33⁄4" (95 mm)
PRE-ASSEMBLED 8"
LOUDSPEAKER, TRANSFORMER, SURFACE BAFFLE
WD Series
FEATURES
• Loudspeaker/Transformer/ Baffle Packages are Convenient and 
Cost Effective
• Attractive Design is Suitable for Use in a Variety of SurfaceMount Applications
• 9.5° Sloped Design Offers Directional Sound Projection
• Includes High-Quality 8" Loudspeaker with Line Transformer 
• Available in 25, 70.7 and Dual-Voltage Models with Knob 
/Screwdriver-Adjust Volume Control Option
APPLICATIONS
Utilize Atlas Sound WD Series slope-front loudspeaker/baffle packages 
for a wide variety of surface-mount applications where aesthetics and 
high-quality sound reproduction are primary concerns.This attractive 
model series has been installed in offices, conference centers, reception 
areas, classrooms, lecture halls and retail outlets.
GENERAL DESCRIPTION
WD Series. These loudspeaker/baffle packages feature a walnut grain 
wall baffle/enclosure with an attractive black fabric grille (Atlas Sound 
Model 417-WD). Baffles are designed with a 9.5° slope to provide directional sound dispersion offset in the direction of radiation. Units are constructed of durable particle board and finished with a walnut grain vinyl 
covering. 
Each package contains a high-quality 8" dia. loudspeaker with a 5-ounce 
ceramic magnet and exhibits a wide frequency response with low distortion. Apre-assembled transformer is available in 25 volt and dual-voltage 
(25/70.7) versions with four power taps (refer to model/package descriptions below). Each package is also available with a 50-ohm pot volume 
control for individual loudspeaker adjustment (specify models with “V” suffix). Knob may be removed and volume adjusted with a screwdriver to 
provide additional security if required.
TRANSFORMER SPECIFICATIONS
MODEL 25 VOLT 70.7 VOLT 25/70.7 VOLT 
PRIMARY V OL TS 25 70.7 25/70.7 
SECONDARY 8 ohms 8 ohms 8 ohms 
CORE SIZE
1
⁄2" x 5⁄8"
1
⁄2" x 5⁄8"
1
⁄2 "x 5⁄8"
(13 x16 mm) (13 x 16 mm) (13 x 16 mm)
TAPS C, 1⁄2, 1, 2, 5, C, 1⁄2, 1, 2, 5 C, 1⁄2, 1, 2, 4 
POWER 5 watts 5 watts 4 watts 
LEADS Color coded, stripped & tinned
LOUDSPEAKER SPECIFICATIONS
SIZE 8" (203mm) 
MAGNET 5.0 oz. (132g) Ceramic 
V.C. DIAMETER 1" (25mm) 
V.C. IMPEDANCE 8 ohms 
FLUX DENSITY 9,200 gauss 
SENSITIVITY 96dB at 1 watt, 1 meter 
WATTS (PROGRAM) 15 
FREQ. RESPONSE 50 Hz - 15 kHz
MODEL / PACKAGE DESCRIPTION
WD417-25 8" loudspeaker with 25-volt transformer 
WD417-70 8" loudspeaker with 70.7-volt transformer 
WD417-72 8" loudspeaker with 25/70.7-volt transformer  
WD417-72V Model WD417-72 Plus 50 Ohm Pos Volume Control 
WD Series
FRONT VIEW        SIDE VIEW REAR VIEW