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Model T70 PBM
Example 3:
Preamp Line
Out/Low Level
In for
2 Subwoofers
Note that the
L/MONO input is
used on both sub-
woofers. Instead
of Y-adapters, you
may also use the
outputs to con-
nect back to the
Main Inputs as
shown in Option
2 of Example 2.
Pre Out
Main In
L
R
Left Sub Woofer
Right Sub Woofer
Receiver/Amplifier/Processor
INPUT
LEFT
L/MONO
L/MONO
+
-
INPUT
OUTPUT
RIGHT
RIGHT
RIGHT
INPUT
LEFT
L/MONO
L/MONO
+
-
INPUT
OUTPUT
RIGHT
RIGHT
RIGHT
Y-adapters
Example 4:
Speaker Out/
High Level In for
1 Subwoofer
This is the most
common method
for connecting a
subwoofer to a
system without a
dedicated sub-
woofer line out or
Preamp outputs.
The signal that
comes from the
High-level Output
jacks has the bass
filtered from the
input signal.
Left
Right
Main Speakers
Sub Woofer
Left Front Speaker
Right Front Speaker
Receiver/Amplifier
INPUT
LEFT
L/MONO
L/MONO
+
+
-
-
OUTPUT
INPUT
OUTPUT
RIGHT
RIGHT
RIGHT
