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7
6. Line-Level Inputs
These connect with RCA type cables
from the line-level outputs of your
receiver or preamp. Here are two
examples:
If your processor or receiver has a
single subwoofer output, connect it
to the subwoofer’s left input jack (see
page 11). There is no need to use the
subwoofer’s right input jack.
If your processor does not have a
subwoofer output, use “Y” adapters at
the processor outputs (see page 12). In
this way, you can send the processor’s
full-range output signals to your main
amplier and to the subwoofer at the
same time.
7. High-Pass Outputs
Signals from these output jacks are a
direct copy of the signals going into the
input jacks of the subwoofer, with the
exception that the bass below 70 Hz
has been removed by a xed high-pass
crossover circuit. This handy feature
lets the subwoofer control all the bass
in your system, and you can use an
external amplier and smaller satellite
speakers to control the mids and highs.
(See the hookup diagram on page 13.)
We recommend using this high-pass
function with small main/satellite speak-
ers that are not designed to reproduce
low frequencies. If you are used to the
sound from smaller speakers, this op-
tion will really bring your system alive.
If your main speakers are capable of
operating full range, you will not need
to use the high-pass function.
8. Crossover Frequency
This controls the crossover frequency
between 30 Hz and 100 Hz. If it is set
to 30 Hz for example, the subwoofer
will reproduce those frequencies below
30 Hz. Rotating the control clockwise
will smoothly increase this frequency
range up to 100 Hz.
In the bypass position, the crossover
control has no effect. You should set
this to bypass if your processor has its
own subwoofer crossover frequency
control.
If your processor does not have its own
subwoofer crossover frequency control,
rotate this control until the bass sounds
natural. If the mid-bass sounds natural
but you want more low bass, turn the
crossover frequency down a little, then
turn the volume up by about the same
amount. This increases the low-bass
output while leaving the mid-bass
output the same.
9. Phase
This controls the relative phase of the
subwoofer with respect to your other
speakers. Use this to help blend the
subwoofer with the rest of your system.
Adjust the control in small increments
as you listen for the most bass at
your listening position. As a nal trim,
readjust the crossover frequency and
volume controls after the phase control
has been set.
10. Volume
This control lets you match the output
level of the subwoofer to the level
of your satellite/main speakers. The
subwoofer output will increase as this
control is rotated clockwise. When
installing your system, turn this down
rst before turning on your subwoofer,
to prevent any loud surprises.