Crossover Frequency
The crossover frequency control adjusts the point at which the subwoofer stops reproducing the frequencies played by the other speakers
in your system. Raising the crossover frequency increases the frequencies the SW Two will reproduce. Lowering the crossover frequency
does the opposite. Generally, the smaller the speakers used with a subwoofer, the higher the crossover frequency should be set. We rec-
ommend starting at the 12 o'clock position (100 Hz) and moving to the left with larger speakers or to the right with smaller speakers.
Connecting the SW Two
The diagrams below show four of the most common types of subwoofer connections. This information will guide you through the con-
nection process. All signals into your unit will first pass through the crossover. The portion of the signal below the current crossover fre-
quency setting will be reproduced by the subwoofer. The unprocessed signal will also be passed to the hi and line level outputs. If you
have a choice of connection options, remember that it may be easier to run long distances with speaker wire than with line connectors.
Hi Level In
These inputs connect to the speaker outputs of a receiver, power amp or other device not equipped with line level outputs.
Hi Level Out
The original amplified signal from your source passes unaltered when connected to the existing left and right speakers.
Line In
These RCA jacks accept a line level signal from a receiver, preamp, surround sound decoder or similar device. When using a single line
level output from another unit, a Y connector should be used to send the signal to both the left and right inputs. (Using the tape loop of
a receiver or preamp is not recommended.) Tape jacks typically send a constant level, regardless of the volume setting, unlike preamp
outputs. This will affect the balance between the subwoofer and the rest of the system.)
Line Out
The original signal from your source is present at these outputs for connection to another subwoofer or power amplifier.
Line Level Connections
In this example, the pre-amp outputs of a stereo receiver con-
nect to the SW Two line inputs. The line outputs on the SW Two
return the line level signal to the power amp inputs on the
stereo receiver, which in turn powers the left and right speakers.
Hi Level Connections
Here the signal is already amplified as it leaves the receiver/
amplifier. The speaker terminals of this unit are connected to the
hi level inputs of the SW Two. The left and right speakers receive
the original amplified signal from the SW Two hi level outputs.
Dedicated Subwoofer Connections
Many surround sound decoders, home theater processors and
audio/video receivers feature a dedicated subwoofer line output.
In this case, the signal is already processed and does not need to
return to the system or other speakers. Connect this line output
to the SW Two line inputs. A Y connector should be used to feed
this single output to both the left and the right line inputs.
Television Enhancement
Many newer television sets are equipped with variable stereo
outputs. The signal available at these outputs varies with the
television volume. In this situation, these variable audio outputs
can be connected directly to the SW Two line inputs to enhance
the bass response of the television's built-in speakers.
(2 pages)
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