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Subwoofer
Crossover
Subwoofer
Level
Volume
Subwoofer playback level can
be adjusted using the rear panel
Volume control. For detailed
information on fine-tuning
Volume and Crossover
Frequency, see page 6.
Crossover Frequency
The crossover frequency knob
determines the highest
frequency your subwoofer will
reproduce. It allows a seamless
transition from the subwoofer
to the satellite speakers.
Experiment with this adjustment
to find the crossover frequency
that sounds best in your room.
For subwoofers used with
Surround Sound processors
with dedicated subwoofer out-
puts, the best result will be
obtained with the control at the
”150 Hz“ position.
If there is no sound from any of the
speakers:
• Check that receiver/amplifier is on
and a source is playing.
• Check that the powered subwoofer is
plugged in, its Power switch is
switched to the “ON” position.
• Check all wires and connections
between receiver/amplifier and
speakers. Make sure all wires are
connected. Make sure none of the
speaker wires are frayed, cut or
punctured.
• Review proper operation of your
receiver/amplifier.
If there is no sound coming from one
speaker:
• Check the “Balance” control on your
receiver/amplifier.
• Check all wires and connections
between receiver/amplifier and
speakers. Make sure all wires are
connected. Make sure none of the
speaker wires are frayed, cut or
punctured.
• In Dolby Digital or DTS
®
modes, make
sure that the receiver/processor is
configured so that the speaker in
question is enabled.
If there is no sound from the center
speaker:
• Check all wires and connections
between receiver/amplifier and
speaker. Make sure all wires are con-
nected. Make sure none of the
speaker wires are frayed, cut or
punctured.
• If your receiver/processor is set in
Dolby Pro Logic mode, make sure the
center speaker is not in phantom
mode.
• If your receiver/processor is set in
Dolby Digital or DTS
®
mode, make
sure the receiver/processor is con-
figured so that the center speaker is
enabled.
If the system plays at low volumes but
shuts off as volume is increased:
• Check all wires and connections
between receiver/amplifier and
speakers. Make sure all wires are
connected. Make sure none of the
speaker wires are frayed, cut or
punctured.
• If more than one pair of main speak-
ers is being used, check the minimum
impedance requirements of your
receiver/amplifier.
If there is low (or no) bass output:
• Make sure the connections to the left
and right “Speaker Inputs” have the
correct polarity (+ and –).
• Make sure the subwoofer is plugged
into an active electrical outlet.
• Make sure the powered subwoofer is
plugged in and switched on.
• In Dolby Digital or DTS
®
modes, make
sure your receiver/processor is con-
figured so that the subwoofer and LFE
output are enabled.
If there is no sound from the surround
speakers:
• Check all wires and connections
between receiver/amplifier and
speakers. Make sure all wires are
connected. Make sure none of the
speaker wires are frayed, cut or
punctured.
• Review proper operation of your
receiver/amplifier and its surround-
sound features.
• Make sure the movie or TV show you
are watching is recorded in a sur-
round-sound mode. If it is not, check
to see if your receiver/amplifier has
other surround modes you may use.
• In Dolby Digital or DTS
®
modes, make
sure your receiver/processor is con-
figured so that the surround speakers
are enabled.
• Review the operation of your DVD
player and the jacket of your DVD to
make sure that the DVD features the
desired Dolby Digital or DTS
®
mode,
and that you have properly selected
that mode using both the DVD play-
er’s menu and the DVD disc’s menu.
TROUBLESHOOTING