PSW-D112 (serv.man2) - JBL Audio User Guide / Operation Manual. Page 5

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4) If your receiver/ampli-
fier has preamp output
jacks and main input
jacks for the left and
right channels, or you
have a separate preamp/
processor and 
power amplifier.
This method of hookup can
offer the highest level of 
performance for your 
complete loudspeaker system.
The PSW-D112 incorporates a
variable high-pass crossover
in addition to a variable low-
pass crossover. When hooked
up as shown, the subwoofer
will limit the low-frequency
information that is returned
to your receiver/amplifier.
Your receiver/amplifier does 
not need to waste valuable
power reproducing the low
frequencies. In addition,
since no low-frequency 
information is being sent 
to your main loudspeakers,
they are able to reproduce 
mid and high frequencies
with greater clarity.
Phase
0
180
High
Pass
60
180
120
90
150
Low
Pass
Out
Line Level
In
60
180
120
90
150
Off
On
Power
R
R
L
L
L
R
SPKR In
L
R
SPKR Out
RECEIVER/AMPLIFIER
LEFT
 RIGHT
MAIN SPEAKER OUTPUT
RIGHT
+     –
RIGHT
LOUDSPEAKER
LEFT
+      –        –      +
–    +
LEFT
LOUDSPEAKER
PSW-D112
Digital Amplification
PRE 
OUT
MAIN
IN
PSW-D112  11/9/99  11:02 AM  Page 5
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