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@) BASS AND TREBLE CONTROLS
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Use
these
controls
to adjust the bass and the
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treble. If you set the tone switch to ON and turn
the bass control to right from its center position,
you will be able to emphasize
the sound
in the
low-frequency range, Conversely, turning the bass
control to the left from the center position, you
will attenuate the sound.
You
can
use
the
treble
control
to adjust the
sound in the high-frequency range.
TONE SWITCH
Set this switch to ON when adjusting the bass and
treble controls.
When
set to OFF, the tone con-
trol
circuits
are
disengaged
and
frequency
response is flat. This function is convenient for
checking
phono
cartridge
and
speaker
tone
quality and listening room acoustics.
@ BALANCE CONTROL
Use this control to balance the volume of the left
and right channels.
First, however, set the mode
selector to MONO,
and adjust so that the sound
appears
to come
from
somewhere
exactly be-
tween the two speakers. If the sound appears to
be louder on the right, it means that the volume
of the right channel is higher. Turn the balance
control to the left and adjust.
Conversely, if the sound appears to be louder on
the
left, it means
that the volume
of the left
channel
is higher.
Therefore,
turn
the balance
control to the right and adjust. After adjusting,
return the mode selector to ST.
(2 SUBSONIC FILTER SWITCH
When this switch is set to the 15Hz position, the
subsonic filter with a cut-off frequency of 15Hz is
actuated.
The subsonic
filter serves to attenuate
frequencies lower than 15Hz in a 6dB/oct slope.
It is therefore effective in suppressing ultra-low-
frequency
noise
which
is generated
by record
warp and other causes. You cannot actually hear
this noise but it is a factor in the generation of
intermodulation
distortion
and it may
damage
your speaker system. Set this switch to the 15Hz
position during record play for the best effect.
(3 MODE SELECTOR
Use this selector for selecting the performances.
ST:
Set to this position for normal stereo re-
production.
MONO:
Mixes left and right channel signals and
reproduces them monophonically.
FUNCTION SELECTOR
Use this selector to select the program
source.
When set, the function indicator above the meter
panel corresponding to the position of the func-
tion selector will light up.
TUNER:
Set here
when
listening to broadcasts
on a tuner connected to the TUNER jacks.
(The TUNER function indicator lights up.)
PHONO:
Set here
when
playing
records
on
a
turntable connected to the PHONO jacks.
(The PHONO
function indicator lights up.)
AUX: Set here when listening to a program source
which is connected to the AUX jacks. .
(The AUX function indicator lights up.)
(5) TAPE DUPLICATE SWITCH
Use this switch when
employing two tape decks
to duplicate
recorded
tapes or edit tapes. This
switch is otherwise kept at the OFF position.
1>2: When playing back the tape on a deck con-
nected to the TAPE
1 jacks and recording
(duplicating)
on
a deck connected
to the
TAPE 2 jacks.
OFF: Set to this position when not duplicating.
2>1: When playing back the tape on a deck con-
nected to the TAPE 2 jacks and recording
(duplicating)
on a deck connected to the
TAPE 1 jacks.
TAPE MONITOR SWITCH
Use
this to select the program
source which is
being reproduced.
'
Set here to monitor a recording or a tape
being played back on a tape deck which is
connected to the TAPE 1 jacks.
OFF: Set here whenever you are not playing back
a tape or monitoring a recording (i.e. when
you
have
set
the
function
selector
to
PHONO
or TUNER,
or AUX for an alter-
native program source).
2:
Set here to monitor a recording or a tape
being played back on a tape deck which is
connected to the TAPE 2 jacks.
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