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
LR
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.