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Akai GX-221D User Manual

Akai GX-221D
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2.
HEAD
AZIMUTH
ALIGNMENT
ADJUSTMENT
1)
Playback
Head
a)
Connect
a
high
sensitivity
V.T.V.M.
to
the
line
output
terminals.
b)
Set
both
the
Tape
Speed
Switch
and
Equalizer
Switch
to
7-1/2ips
(19
cm/sec),
depress
STEREO
Track
Selector,
and
set
the
Monitor
Switch
to
TAPE
position.
c)
In
case
of
model
GX-225D,
set
Noise
Reduc-
tion
Switch
to
OFF
position.
d)
Playback
an
8,000
Hz
3-3/4
ips
recorded
Am-
pex
Alignment
test
tape.
e)
At
Forward
Playback
mode,
turn
Azimuth
Alignment
Screw
(F)
shown
in
Fig.
19
to
obtain
maximum
line
output
level
on
both
channels.
f)
After
the
adjustment
in
Item
e)
above
has
been
completed,
loosen
screws
(I)
shown
in
Fig.
19
and
move
the
head
gap
side
of
the
playback
head
to
left
and
right.
When
tension
is
applied
to
the
supply
reel
side
and
the
line
output
level
of
both
channels
do
not
fluctuate,
(maximum
allowable
fluctuation
within
+0.5/—O
dB)
fix
screws
(I)
to
maintain
this
condition.
g)
At
reverse
playback
mode,
make
the
same
adjustment
as
outlined
above
until
the
line
output
level
of
both
channels
do
not
fluctuate.
2)
Recording
Head
a)
Connect
an
audio
frequency
oscillator
to
the
line
input
terminals,
and
connect
a
high
sensiti-
vity
V.T.V.M.
to
the
line
output
terminals
and
load
a
blank
tape.
b)
Set
both
the
Tape
Speed
Switch
and
Equalizer
switch
to
7-1/2ips
(19cm/sec.),
depress
STEREO
Track
Selector,
and
set
the
monitor
switch
to
TAPE
position.
c)
Record
a
16,000
Hz
audio
frequency
at
—10
dB
recording
level.
d)
At
recording
mode,
turn
Azimuth
Alignment
Adjustment
Screw
(D)
shown
in
Fig.
19
to
left
and
right
until
the
line
output
level
of
both
channels
is
maximum
and
does
not
fluctuate.
e)
After
completing
adjustment
in
Item
d)
above,
adjust
gap
side
of
recording
head
by
bending
installation
angle
(J)
shown
in
Fig.
19
to
left
and
right
until
the
line
output
level
of
both
channels
do
not
fluctuate
(maximum
allowable
fluctuation
within
+0.5/—0
dB)
when
tension
is
applied
to
the
supply
reel
side.
3.To
obtain
best
results,
repeat
adjustments
outlined
in
paragraphs
1
and
2
above
2
or
3
times.
New
blank
tape
should
be
used
when
making
these
adjustments.
17

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Akai GX-221D Specifications

General IconGeneral
BrandAkai
ModelGX-221D
CategoryTape Deck
LanguageEnglish

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