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40-4054.fm Page 2 Wednesday, August 11, 1999 9:39 AM
ADDING THE SUBWOOFER TO YOUR SPEAKER
SYSTEM
Right
Speaker
+
–
FROM AMPLIFIER/RECEIVER
+
Amplifier/Receiver
We recommend you use color-coded
or marked wires to help you correctly
connect the subwoofer to your sound
system. Color-coded wires have a
stripe, and marked wires have ridges
along one of the conductors. Your lo-
cal RadioShack store has a wide se-
lection of speaker wire.
With the subwoofer in the chosen lo-
cation, make the following connec-
tions.
1. Connect your amplifier/receiver's
left and right speaker terminals to
the
subwoofer's
terminals.
INPUT
2
INPUT
RIGHT
LEFT
–
–
+
corresponding
OUTPUT
TO SPEAKERS
–
+
+
–
LEFT
RIGHT
PRO SW-120
2. Connect the subwoofer's
terminals to the correspond-
PUT
ing left and right stereo speakers.
Notes:
• For distances less than 25 feet,
use 18-gauge speaker wire.
• For distances greater than 25
feet, use heavier 16-gauge
speaker wire.
• For maximum bass response
and the best overall perfor-
mance, it is essential that you
keep your subwoofer in proper
phase with your speakers (con-
nected + to + and – to –).
Left
Speaker
+
–
OUT-
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