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Akai X-1810 User Manual

Akai X-1810
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FREQUENCY
RESPONSE
Audio
Oscillator
Connect
the
measuring
instrument
as
in
the
above
diagram,
and
measure
the
frequency
response
in
the
following
sequence:
RECORD
:
1)
Introduce
a
sine
wave
of
1,000
Hz
to
the
Line
In-
put
of
the
recorder
to
be
tested,
through
an
attenuator
from
an
audio
frequency
generator.
2)
Set
the
Record/Playback
Knob
in
to
“Rec”
posi-
tion
and
adjust
the
line
input
volume
so
that
the
VU
meter
needle
indicates
“0”
VU.
3)
Under
the
condition
described
in
(2),
lower
the
input
level
16
dB
(cartridge
20
dB)
by
means
of
the
attenuator.
4)
Record
the
spot
frequency
in
the
range
of
30
Hz
to
23,000
Hz
from
the
audio
frequency
generator.
PLAYBACK:
5)
Set
the
Record/Playback
Knob
to
“Play”
position.
6)
Set
the
Equalizer
to
7-1/2,
3-3/4,
or
1-7/8
ips
position.
7)
Connect
a
High
Sensitivity
V.T.V.M.
to
the
Line
output.
8)
Playback
the
tape
previously
recorded.
9)
Adjust
the
output
level
to
“0”
dbm
at
1,000
Hz
(indicated
on
range
selector
of
V.T.V.M.).
10)
Playback
the
recorded
spot
frequencies,
make
a
memo
of
output
level,
and
plot
the
value
on
a
graph.
(Note:
New
tape
of
particularly
good
quality
should
be
used
for
measurement
of
the
frequency
response.
AKAI
100F
tape
is
recommended).

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Akai X-1810 Specifications

General IconGeneral
BrandAkai
ModelX-1810
CategoryTape Deck
LanguageEnglish

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