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CONNECTIONS AND CONTROLS
CAUTION: Ensure that the subwoofer is unplugged from the AC wall
outlet before making any connections.
"LINE IN" Connection - Most of today's surround receivers (and
pre-amplifiers) have a line level subwoofer output labeled Subwoofer
Pre Out, Sub Out, SW Out, etc. If you have this output, connect one
end of a subwoofer cable to it and connect the other end of the cable
into the subwoofer line input labeled LEFT/LFE. This connection
allows the subwoofer to operate with both music and surround sound
movies (refer to your receiver manual). In absence of a subwoofer
output on your receiver, as an alternative hookup, you can connect
Left and Right channel Pre-Amp Outputs from your receiver (if
provided) to the Left/LFE and Right input on the subwoofer.
"LOWPASS" Control - The crossover point chosen determines
where low bass frequencies are "handed off" from the speakers to
the subwoofer. If setting the crossover point in the receiver, turn the
Lowpass Filter knob on the subwoofer to the farthest point right
(160Hz). Set the crossover point based on the size of the main left/
right speakers you are using in the system. As a general rule, for
larger, floorstanding speakers, set the crossover point between
50Hz-90Hz. If using small bookshelf or "satellite" speakers for the
mains, set the crossover point between 90Hz-150Hz. The smaller
the speaker, the higher the setting until the bass frequencies blend
well between the speakers and your subwoofer once your system is
completely hooked up. If your receiver does not have a crossover
point setting, set the Lowpass Filter on the subwoofer instead within
the same recommended settings (see receiver manual for additional
speaker setup info).
Level - If your subwoofer is connected to a Subwoofer Output of a
surround receiver, first set the subwoofer volume level control in
the receiver to the "half way" or "0 dB" position. Then increase the
volume (or gain) of the subwoofer up until the subwoofer's volume
level matches the output of your main speakers. After this setup is
completed, the volume control on your system's main amplifier or
pre-amplifier will be the volume control for both your subwoofer and
speakers together. If your subwoofer is connected to the L/R Pre-
Amp Outputs of a receiver there will be no subwoofer volume in that
receiver to set before setting the subwoofer's gain control.
"PHASE" 0/180 – This control is used to acoustically match the
subwoofer's output to your main speakers. Select the position either
0˚ or 180˚ in which your subwoofer has more output at the listening
position.
Off/Auto/On – When this switch is in the "AUTO" position, the
subwoofer will automatically turn "on" when it senses a signal. It will
automatically go into "standby mode" after 15-20 minutes with no
signal. When the switch is set to the "On" position, the subwoofer
will remain on until manually switched to another settings. When this
switch is in the "OFF" position, the subwoofer will remain "off" until
the switch is manually turned back to the "AUTO" or "ON" position.
Power LED indicator - Located on the front baffle, this LED indicates
the operating status of the built-in amplifier. The LED will light green
when the amplifier is on and receiving a signal. If the LED is dark
and not lit, the amplifier is off. For more information on the controls
mentioned in this manual and on bass management, see your dealer
or visit www.klipsch.com
FIGURE 2
LINE LEVEL CONNECTIONS
LINE IN
L/LFE
R
Left and Right pre-outs on Processor/
Pre-Amp/Receiver connected to Left and Right
line inputs on subwoofer amplifier
Processor/Pre-Amp/Receiver
R
L
PRE • OUT
LINE IN
L/LFE
R
OR
LFE Output on Processor/Pre-Amp/Receiver
connected to LFE input on suboofer amplifier
Processor/Pre-Amp/Receiver
LFE OUTPUT
