1. SETTING THE SUBWOOFER CROSSOVER POINT, BASS BOOST, PHASE,
and SUB SONIC FILTER
Set the desired
CROSSOVER FREQUENCY
tor the subwoofer output using the
LOW PASS FREQUENCY
dial. You may select from 40Hz up to 400Hz as your
crossover point.
Set the
BASS BOOST
by using the two dials. Use the
LEVEL
dial to set the boost
gain from 0 to 18dB. and use the
FREQUENCY
dial to set the bass boost frequency
point from 40Hz up to 400Hz.
Select the
PHASE
of the subwoofer using the
PHASE
switch, 0 degrees in phase or
180 degrees out of phase. The normal default setting is 0 degrees in phase.
SUBSONIC FILTER
may be turned on/off by using the
SUBSONIC FILTER
switch.
When switched on, this Filter avoids reproduction of inaudible low frequencies
below 25Hz which could damage the subwoofer(s) because they can generate
over displacement of the subwoofer cone. It is recommended that the
SUBSONIC
FILTER
be switched ON.
2. SETTING THE CROSSOVER POINTS FOR THE REAR (MIDRANGE) OUTPUT
Usually the
MID
output is a
BAND PASS
design. It's achieved by setting the
MODE
switch at “
BAND PASS
” and using both
HIGH PASS
and
LOW PASS FREQUENCY
dials. Set the desired
HIGH PASS
frequency anywhere between 65Hz and 300Hz
for the low frequency cutoff, and set the desired Low PASS frequency anywhere
between 2.9KHz and 4.8KHz for the high frequency cutoff.
Selecting
HIGH PASS
from the
MODE
switch and using
HIGH PASS FREQUENCY
dial alone will remove the high cutoff section and allow the midrange output to
play up to 20KHz.
Selecting
LOW PASS
from the
MODE
switch and using
LOW PASS FREQUENCY
dial alone will remove the low cutoff section and allow the midrange output to
play down to 20Hz. This setting will be ideal if you're using mid bass speakers
capable of reproducing low to mid frequencies.
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10
Mid
High
Subwoofer
