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How to Connect Your
KSW Series Subwoofer
The subwoofer should be unplugged from the AC power with the power switch in the OFF position
during hook up and installation.
AC Power
A detachable AC power cord is supplied with your KSW Series subwoofer. Install the female end
into the recessed socket on the right-hand side of the amplifier panel. Refer to Figures B, C and D
(pages 8 and 9). To eliminate a tripping hazard, this cord and all other connections should be
unplugged from the back panel of the subwoofer if it is being moved. Note: The 230 volt KSW 300
and dual voltage KSW 50, 100, 150 and 200 export versions are not supplied with an AC power
cord. The 120 volt KSW 50 has a non-removable AC power cord.
Since your KSW subwoofer has an internal power amplifier, it must be plugged into a nearby AC
wall outlet. A three-prong grounded outlet is recommended wherever possible. Note: Avoid extremely
long extension cords of small gauge since they can reduce the amount of current available to the sub-
woofer amplifier, degrading its performance and presenting a potential fire hazard.
Types of Connections
Your subwoofer may be installed using either the “HI LEVEL” or “LINE” connections, but not both.
With both types of connections, your main speakers can be run full range or high pass filtered (bass
frequencies removed). Your main speakers can be bass filtered by your KSW Series subwoofer if con-
nected in a specific manner. Refer to Figures B and C
(pages 8 and 9)
and the “HI LEVEL OUT,”
“LINE OUT,” “LOW PASS” and “HIGH PASS” sections for more detail. The type of input and con-
nection scheme depends upon the capabilities of your equipment and your performance goals.
HI LEVEL
“HI LEVEL” (speaker level) connections are the best choice when connecting to a receiver or inte-
grated amplifier that lacks a line level subwoofer jack or pre-amp output jacks. Refer to Figures A
and B (page 8).
LINE IN
“LINE IN” (line level) connections are often the best choice when connecting the subwoofer to a
system comprised of a separate pre-amp and power amplifier. This also applies to any receiver or
integrated amplifier that possesses line level main channel pre-amp outputs or a subwoofer output.
Refer to Figures C and D (page 9).
HI LEVEL SPEAKER WIRE CONNECTIONS
About Speaker Wire Connections
When making any type of speaker wire connection be sure to observe proper polarity. Most speaker
wire is color-coded or has some distinguishing feature differentiating the two conductors. Speaker
wire connectors on most loudspeakers and amplifiers are also color-coded. Typically, RED is positive
(+) and BLACK is negative (-), or ground. It does not matter which wire conductor is connected to
the positive or negative connection of your equipment as long as you are consistent. Be sure that the
connections from the amp to the speaker on all of the various channels of your system are connect-
ed in a like manner. Be careful not to have excess bare wire or loose strands of wire that could short
from positive to negative as this could damage your speakers and amplifier.
HI LEVEL IN
The “HI LEVEL IN” connections are hooked up to the main or front right and left speaker outputs
of your amplifier. Use the same high quality speaker cable that you would run to your main speakers
(consult your Klipsch dealer for recommendations). Be sure to observe proper polarity (+ to + and -
to -) when making connections between the subwoofer and main amplifier. If the polarity of one of
these wires is reversed, the output of the subwoofer will be diminished. Refer to the “About Speaker
Wire Connections” section and Figures A and B (page 8).
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