○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
6
○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
Model 172 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
THRU outputs to
connect back to
the Main Inputs as
shown in Option
2 of Example 2.
L/
MONO
R
HIGH
LEVEL
LOW
LEVEL
THRU
IN
IN
L/
MONO
R
HIGH
LEVEL
LOW
LEVEL
THRU
IN
IN
Pre Out
Main In
L
R
Left Sub Woofer
Right Sub Woofer
Receiver/Amplifier/Processor
Y-adapters
Left
Right
Main Speakers
L/
MONO
R
HIGH
LEVEL
LOW
LEVEL
THRU
IN
IN
L
R
THRU
Sub Woofer
Left Front Speaker
Right Front Speaker
Receiver/Amplifier
Example 4:
Speaker Out/
High Level In for
1 Subwoofer
This is the
recommended
method for
connecting the
172 PBM to a
discrete 5.1
channel. Please
the Important
Note on page 4.
