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AtlasSound.com
1601 JACK MCKAY BOULEVARD ENNIS, TEXAS 75119 U.S.A. • TELEPHONE: (800) 876-3333 • FAX: (800) 765-3435
©2007 ATLAS SOUND LP Printed in U.S.A. ATS002583 RevA 02/07 PP
INSTALLATION INSTRUCTIONS
PM SERIES LOUDSPEAKERS 4" AND 8"
10
SPECIFICATIONS
TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE REMEDY
MODEL
POWER
RATING
70.7V TAPS
FREQUENCY
RESPONSE
SENSITIVITY
(1W/1M)
DISPERSION
ANGLE
WOOFER
MAG. WT.
WOOFER
HF DRIVER DIMENSIONS
ENCLOSURE
VOLUME
WEIGHT
PM4FA
25 Watts
(Transformer
Limited)
1, 2, 4, 8, 16
75Hz-20kHz
(±7dB)
88dB Average
130° 10oz (311g)
4" Ploy Cone
Butyl Rubber
Surround
Coaxially Mounted PEI
Dome Tweeter
9.25” (235mm) Dia.
13.87” (352mm)
Overall Height
478 Cubic
Inches
10 lbs.
(3.73kg)
PM8GD
15 Watts
(Transformer
Limited)
1, 2, 4 & 8
55Hz-15kHz
±5dB
96dB Average
120° 10oz. (311g)
8" Treated
Paper
Coaxially Mounted 3"
Treated Paper
12.25” (311mm) Dia.
16.62” (422mm)
Overall Height
1075 Cubic
Inches
14 lbs.
(5.23kg)
PM8FA
70 Watts
(Transformer
Limited)
1.9, 3.8, 7.5,
15, 30 &
60W
55Hz-20kHz
±5dB
90dB Average
100° 21oz. (653g)
8" W/ Poly-
propolene
Cone & SBR
Surround
Coaxially Mounted PEI
Dome Tweeter
12.25” (311mm) Dia.
16.62” (422mm)
Overall Height
1075 Cubic
Inches
16.5 lbs.
(6.16kg)
PM8CX
150 Watts
(Transformer
Limited)
7.5, 15, 30
& 60W
48Hz-18kHz
±10dB
92dB Average
90° 25oz. (800g)
8" W/ Poly-
propolene
Cone & TPE
Surround
Coaxially Mounted 1"
Titanium Compression
Driver
12.25” (311mm) Dia.
16.62” (422mm)
Overall Height
1075 Cubic
Inches
21 lbs.
(7.84kg)
There is no sound Power off. Equipment setting is wrong.
Volume set too low.
Assure that power is applied to all equipment in system. Check
that routing (input/output) controls are set correctly. Check that
volume level is above minimum.
There is no sound Loose connection. Check system from start to finish for crossed wires, loose
connection, etc. On the PM location check for correct connection.
Low sound level Setting/volume control is set too low.
Connection is shorted or bad.
Check volume levels or amplifiers and related equipment
(equalizer). Check that connections aren't partially shorted/
corroded.
Sound cuts in and out System overload/oscillation intermittent connection. Check for overload condition or bad connection.
Distortion at increased levels Amplifier/speaker overdriven. Check that power to speaker isn't over limits. Check that amplifier
isn't overdriven. Reduce power to amplifier slightly.
Speaker makes "buzzing" noise Hardware loose or speaker damaged. Make sure speaker grille is tight. Check other hardware
connections. Check speakers for loose parts or speaker damage.