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Technics SH-8055

Technics SH-8055
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Hi
LOCATION
OF
CONTROLS
12
channel
real
time
spectrum
analyzer.
Band
level
controls
(Left
channel)
(25Hz
~
16kHz,
divided
into
12
band,
+12dB)
(25Hz
~
16kHz,
divided
into
Band
level
controls
(Right
channel)
[
12
band,
#12dB)
Microphone
jack:
left
right
Display
level
control.
Display
mode
selector
(
Ml
off,
m=
on)
Mic
attenuator
(
g
OdB,
=
—20dB)
Pink
noise
generator
switch
(
@
off,
=
on)
*
Mic
Jack
of
this
unit
is
not
for
mixing.
input
terminals
(From
amplifier):
Line
output
terminals
(To
amplifier)
So,
refer
to
the
circuit
diagram
and
the
replacement
parts
list.
M@
REAL
TIME
SPECTRUM
ANALYZER
*This
can
be
used
to
measure
and
correct
the
sound
field
frequency
response
of
a
listening
room
and
to
measure
the
frequency
components
of
a
sound
source.
eThe
same
12-band
frequency
divider
as
for
the
band
level
controls
allows
the
levels
of
the
frequency
components
of
voices,
music,
etc.,
to
be
visually
displayed.
The
“full
range”
area
on
the
right
side
displays
the
combined
level
of
all
of
the
frequency
bands.
The
display
is
in
12
points
for
each
frequency
band
and
a
level
width
of
30
dB
can
be
displayed.
-qualizer
on/off
selector
Rec
mode
selector
(
m
straight,
=
EQ)
*
Dubbing
from
tape
deck
1
to
2
is
possible
with
tape
1
switch.
**
Dubbing
from
tape
deck
2
to
1
is
possible
with
tape
2
switch.
AC
outlet
(unswitched)
For
[XA,PE
and
PA]
area
only
Voltage
selector
{on
the
bottom
board)
@
The
power
supply
for
this
unit
varies
depending
upon
the
areas.
Also,
the
parts
used
for
power
supply
are
different.
*The
real
time
spectrum
analyzer
is
connected
to
the
output
terminals
of
this
unit.
When
the
equalizer
switch
is
‘“‘on”,
the
level
of
the
corrected
source
is
displayed;
when
pink
noise
switch
is
“on”,
the
level
of
the
corrected
pink
noise
is
displayed;
when
the
microphone
is
connected,
the
microphone
input
level
is
displayed.
The
attack
time
and
recovery
time
of
the
display
is
fast
for
source
and
slow
for
pink
noise;
thus
the
responsiveness
to
the
‘source
is
good
and
the
display
is
easy
to
see
during
sound
field
correction.

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