Specifications

No sound from
subwoofer.
Performance
is less than
expected.
Amplier is not connected to constant
power outlet.
Amplier is not receiving an audio
signal from receiver or processor.
Amplier fuse might be blown.
Crossover frequency is not
adjusted correctly.
Troubleshooting—Subwoofer
Probable Cause:Situation:
Make certain the amplier is plugged
into an unswitched AC power outlet.
Make certain there is an audio signal
from receiver or processor.
Replace fuse (if fuse is not readily
accessible, consult with EMP Tek for
more information).
Adjust the crossover frequency by
turning the crossover frequency
control clockwise until the desired
sound is obtained.
Solution:
Impression Series 12 Owner’s Manual
No sound from
speakers.
No sound from
one speaker.
Very little bass
and/or imaging.
Speaker wire not connected.
Speaker selector on amplier is not on.
Balance control on receiver or pre-amp
is not centered.
Speaker wire not securely connected.
Speakers are wired out of phase.
Troubleshooting—Speakers
Probable Cause:
Situation:
Make sure wire is connected at both
the speaker and the amplier observ-
ing proper polarity.
Activate proper selector on amplier.
Place balance control in the center.
Check all connections at amplier
and speakers.
Check entire system for proper
polarity and make adjustments
as necessary.
Solution: