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Denon PMA-300V - Method of Adjustments; Idle Current Adjustment Procedure

Denon PMA-300V
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ENGLISH
PHONES
(Headphone
Jack)
This
jack
is
used
to
plug
in
the
headphones.
SPEAKERS
(Speaker
Selection
Switch)
The
PMA-300V
can
be
connected
to
two
speaker
systems:
speaker
system
A
and
speaker
system
B.
When
A
is
pressed,
the
speaker
system
connected
to
speaker
output
terminals
A
operates.
When
B
is
pressed,
the
speaker
system
connected
to
speaker
output
terminals
B
operates.
:
When
A
and
B
are
pressed
on
together,
both
speaker
systems
operate
simultaneously.
When
the
A
and
B
switches
are
both
off
(in
the
out
position),
there
is
no
output
from
the
speaker
terminals.
This
setting
is
used
to
listen
to
playback
through
the
headphones.
BASS
(Bass
Control)
This
knob
is
used
to
control
the
base
quality
of
the
sound.
When
the
knob
is
set
at
the
center
posi-
tion,
the
frequency
characteristics
are
flattened
in
the
range
below
1000
Hz.
The
bass
is
emphasized
as
the
knob
is
moved
off
center
to
the
right
(
©),
and
reduced
as
it is
moved
to
the
left
(©).
TREBLE
(Treble
Control)
This
knob
is
used
to
control
the
treble
quality
of
the
sound.
When
the
knob
is
set
at
the
center
position,
the
frequency
characteristics
are
flattened
in
the
range
above
1000
Hz.
The
treble
is
empha-
sized
as
the
knob
is
moved
off
center
to
the
right
(
),
and
reduced
as
it
is
moved
to
the
left
(
©).
BALANCE
(Balance
Control)
This
knob
is
used
to
adjust
the
balance
between
the
left
and
right
channels.
When
it is
set
to
the
center
position,
the
amplitude
of
the
amplifier
is
equal
on
both
sides.
If
there
is
a
difference
in
the
left
and
right
channel
output
voltages
for
a
cartridge,
move
the
knob
to
the
left
and
the
right
to
ad-
just
it.
If
the
volume
on
the
right
side
is
too
low,
turn
the
knob
to
the
right
(
4
).
If
the
volume
on
the
left
side
is
too
low,
turn
the
knob
to
the
left
(
(
).
This
will
achieve
an
even
balance
on
the
left
and
right
sides.
SUBSONIC
(Subsonic
Filter
Switch)
This
switch
cuts
off
low
audio
frequencies
in
the
range
below
16
Hz.
It
is
used
to
eliminate
extremely
low
frequency
speaker
vibrations
caused
by
a
warped
record
or
turntable
motor
vibrations.
Therefore,
when
‘‘Phone’’
is
used,
it
is
recommended
that
the
switch
be
turned
on
(
=m
).
LOUDNESS
(Loudness
Switch)
When
the
volume
is
low,
it
is
difficult
for
the
human
ear
to
clearly
distinguish
notes
in
the
low
and
high
frequency
ranges.
The
loudness
switch
allows
a
simple
‘‘one-touch”
correction
of
this
difficulty.
Press
the
loudness
switch
ON
(
«=
)
when
listening
to
music
at
a
low
volume.
The
low
notes
and
high
notes
wil!
be
corrected
to
produce
a
natural
sound.
CARTRIDGE
(Cartridge
Selection
Switch)
..
.
Back
Panel
side
This
switch
is
set
according
to
the
type
of
player
cartridge
to
be
used.
@
MC:
Used
when
an
MC
(moving-coil)
cartridge
with
an
output
of
less
than
0.5mV
is
used.
@
MM:
Used
when
an
MM
(moving-magnet)
cartridge
with
an
output
of
2mV
or
more
is
used.

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