User's Manual
11
System Configurations
If your preamplifier has a
subwoofer output (often
labeled LFE for Low
Frequency Effects), it can
be connected to the
subwoofer’s Left (Mono)
input as shown. This is the
simplest and recom-
mended connection. A
receiver with a sub/LFE
output can be connected
in the same way.
The subwoofer will play
the low frequency range
and the other speakers will
play the frequency range
delivered to them by your
amplifier.
If you have a home
theater preamplifier, it may
have an independent
subwoofer volume control.
Make sure this is correctly
adjusted, and that the
Sunfire Subwoofer’s
crossover frequency is set
to 100 Hz. This is by no
means an iron-clad rule,
rather it is a good starting
point. (See the crossover
frequency control details
on page 6 and adjust-
ments on page 15).
You can set the
subwoofer’s Bass Level
control to 0dB, and then
use the preamplifier’s
subwoofer level control for
normal and routine
adjustments.
PREAMPLIFIER
MAIN
OUTPUTS
R
SUB/LFE OUT
R
L
L
AMPLIFIER
INPUTS
TO FRONT SPEAKERS
Connections to a preamplifier’s subwoofer output
The following pages show some typical connections that you might make in your
installation. They show how the inputs and outputs of the Sunfire Subwoofer are
connected to your preamplifier or receiver.
Summary of Contents for MK IV
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