@ Crossover
Mode
Selector Switch
(CHANNEL-3/4)
(R
-A60F
only
)
C
OFF
HP
LP
BP
FILTER
m
OFF
HP
LP
BP
FILTER
m
OFF
HP
LP
BP
FILTER
g
OFF
HP
LP
BP
FILTER
10
-EN
a)
Set
to
the
"OFF" position when
the
amplifier
will
be used
for
driving
full range speakers
or
when
using
an external electronic crossover.
The full frequency
bandwidth
will
be
output
to
the
speakers
with
no
high
or
low
frequency attenuation.
b) Set
to
the
"HP" position when
the
amplifier
is
used
to
drive a
tweeter/
midrange system.
At
this setting, Crossover Frequency
Adjustment Knob (@) provides
adjustment between 50 Hz
to
400
Hz.
The frequencies
below
the
crossover
point
will be attenuated
at
12
dB
/octave.
c)
Set
to
the
"LP" position when
the
amplifier
is
used
to
drive a
subwoofer.
At this setting, Crossover Frequency
Adjustment Knob (@) provides
adjustment between 50 Hz
to
400
Hz. The frequencies above
the
crossover
point
will
be
attenuated
at
12
dB/octave.
d) Set
to
"BP"
if
the
amplifier
is
used
to
drive a midbass
or
midrange
speaker.
Frequencies lower
than
the
specified frequency set
by
Crossover Frequency Adjustment
Knob (@), and higher
than
the
frequency specified set
by
Crossover Frequency Adjustment
Knob(@), are attenuated
at
12
dB/
octave.
@ Crossover Frequency Adjustment Knob {HP/
LP
/BP-L
FREQ
.)
{R
-A60F only)
Use
this control
to
adjust
the
crossover
frequency between 50 Hz
to
400 Hz.
NOTE:
• When
the
Crossover
Mode
Selector Switch
(@)
is
set
to
[BP],
adjust
the
Crossover Frequency
Adjustment
Knob
(@)
and (@).
@ Crossover Frequency Adjustment Knob {
BP
-H
FREQ
.)
(R
-A60F only)
Use
this control
to
adjust
the
crossover
frequency between 400 Hz
to
6 kHz.
NOTE
S:
• When
the
Crossover
Mode
Selector Switch (@)
is
set
to
[BP],
adjust
the
Crossover Frequency
Adjustment
Knob
(@)
and (@).
• When
the
Crossover
Mode
Selector Switch
(@)
is
set
to
[HP]
or
[LP],
adjustment
of
the
Crossover Frequency Adjustment Knob (@)
is
disabled.
Adjustment
range on
the
Bandpass Fi
lter
Crossover Frequency
[BP-LJ
~
___
...;,..._
__
.,.:
: [
BP-L)
Adjustment range : [
BP-HJ
Adjustment range:
' ' '
O O I
, _
______
__
, _
______
_ ,
O I 0
' ' '
50
Hz
400
Hz
6 kHz
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