A Note About Dolby Digital
(AC-3), Large Front Speakers And
Powered Subwoofers
Most Dolby Digital (AC-3) decoders
remove the Low Frequency Effects
from the Main speakers if the
“Subwoofer Output” switch is set to
“On”. The Main speaker “Large/Small”
switches may still appear to function,
but no deep bass will reach the Main
speakers.
This automatic deep bass filtering is
unnecessary with large Main speakers.
If you wish, you can send all Low
Frequency Effects signals to both your
Main left and right speakers
and
to
your subwoofer by turning the sub-
woofer output to “Off” and setting the
Main left and right speakers to
“Large”. This blends all the output of
the Low Frequency Effects channel
with the Main left and right speakers.
The
BassCube
subwoofer needs to be
connected with speaker wire to the
Main speaker outputs in this case.
Power Connections
After making the audio connections,
plug the power cord into any conve-
nient 120-Volt AC, 60 Hz outlet and
switch the subwoofer “On”. Do
not
plug it into a switched outlet on your
amplifier or receiver, as either
BassCube
subwoofer could draw
sufficient current at high volume
levels to possibly damage the
switched outlet’s relay mechanism.
The
BassCube
subwoofer has an
automatic “Power Off” circuit that
turns off power to the amplifier
circuit after it has been silent for
over 15 minutes. The
BassCube
subwoofer rapidly activates as soon
as a new signal is present. This
feature operates when the switch
Figure 2.
Using speaker wire
OUTPUTS
TO POWER AMP
L
R
To power amp
(Front amp in
surround system)
PREAMP
POWERED SUBWOOFER
Y-adapters
Figure 3.
Using “Y” adapters and phono cable
SURROUND DECODER OR RECEIVER
OUTPUTS
L
R
FRONT
SURROUND
CENTER
SUBWOOFER
*
* Labelled “Mono”
on some units.
Be sure the output
signal is full-range.
Figure 1.
Surround decoder or receiver with
subwoofer (mono) output
INTEGRATED AMP OR RECEIVER
(FRONT)
BASSCUBE
R
L
SPEAKER LEVEL INPUTS
+
+
OUT TO SPEAKERS
R
L
+
+
TO RIGHT
FRONT
SPEAKER
TO LEFT
FRONT
SPEAKER
R
MONO
L
LINE
LEVEL
INPUTS
BASSCUBE
R
MONO
L
LINE
LEVEL
INPUTS
BASSCUBE
+
+
SPEAKER OUTPUTS
3
