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VARIABLE LOW PASS CROSSOVER
(Fig. 18)–This control adjusts the
frequency range over which the
Subwoofer operates. This control only
affects signals that are sent through the
Front, Center and Rear line level “In”
jacks and the Speaker Level Inputs.
It has no effect on signals fed into the
LFE/Subwoofer input. When using
smaller main speakers, the upper range
of the control will probably yield the
best results. With larger speakers, the
lower end of the control range will prob-
ably sound best, but always let your
ear be the final judge. After setting
subwoofer levels, you may want to
experiment with the crossover frequen-
cy setting. Turning the knob up will add
more “warmth” to the bass and lower
midrange, possibly at the expense of
bass “tightness” and midrange clarity.
Turning the knob down will make
the bass and lower midrange sound
“thinner.” Experiment and set this
control to taste.
VARIABLE PHASE ALIGNMENT
(Fig. 18)–Have someone else turn
the knob slowly while you sit in your
favorite listening position. Use music
with good bass and a deep male vocal.
When you hear the best balance of deep
bass and the natural lower octaves
of the male voice, you have achieved
VARIABLE
LOW PASS
CROSSOVER
40Hz 120Hz
VARIABLE
PHASE
ALIGNMENT
0° 180°
40Hz 120Hz
0° 180°
SWITCHABLE
HIGH PASS
CROSSOVER
(SPEAKER LEVEL)
SWITCHABLE
HIGH PASS
CROSSOVER
(LINE LEVEL)
40HZ 80HZ
40HZ
80HZ
FULL RANGE
POWER
FRONT
FRONT
LEFT
OUT
LEFT
IN
LEFT
REAR
IN
CENTER 1
IN
FRONT
RIGHT
OUT
RIGHT
FRONT
IN
RIGHT
REAR
IN
CENTER 2
IN
LFE/SUBWOOFER IN
FRONT SPEAKER LEVEL OUT
L R
ON OFF AUTO
+
–
+
–
FIGURE 18.