Dual KA 12 L handleiding
Handleiding
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the
stereo
signal
generator
with
300
Hz,
80
%
L
—R.
Adjust
L
403
for
maximum
amplitu—
de
and
sharp
zero
transistons.
The
zero
transistionsmust
be
at
the
same
level.Con—
nect
the
AF
valve
voltmeter
to
the
left
AF
output,
and
modulate
the
stereo
signal
ge—
nerator
with
1
kHz,
50
%
left.
Adjust
for
a
maximum
AF
on
the
left
channel
with
L
401.
Move
the
AF
valve
voltmeter
to
the
right
AF
output.
Adjust
for
minimum
AF
output
on
the
right
channel
(crosstalk)
with
R
430
and
R
431.
Leave
the
valve
voltmeter
connected
to
the
right
AF
output,
modulate
the
stereo
signal
generator
with
19
kHz
(pilot
fre—
quency),
and
switch
off
the
AF
modulation.
Adjust
for
minimum
38
kHz
carrier
with
R
432.
Reduce
the
input
voltage
to
20
µV,
and
ad—
just
the
decoder
threshold
with
R
340.
Range
Frequency
Circuit
Alignment
Position
LW
160
kHz
Oscillator
L
205
160
kHz
Ferrite
aerial
L
204
300
kHz
Input
stage
C
226
MW
560
kHz
Oscillator
L
206
560
kHz
Ferrite
aerial
L
203
1450
kHz
Oscillator
C
225
1450
kHz
Input
stage
C
224
SW
6.5
MHz
Oscillator
L
207
6.5
MHz
Input
stage
L
202
Center
position
to
extreme
maximum.
Adjustment
-and
test
data
Current
consumption
at
220
V,
wihtout
signal
max.
50
mA
at
220
V,
full
power
(4
V
into
4
Q,
front)
and
the
record
player
switched
on
max.
180
mA
Voltages
Without
signal
17
—
18
V
At
full
power
(4
V
into
4
0/channel,
front)
13
—
14
V
Idle
current
of
the
final
stage
After
about
5
minutes
operationappro
operation
approx.
4
Abbreviations
for
controls,
switches,
and
settings
Tp
Vol
Sal
Ton
Qu
=
Button
TAPE
depressed
=
Volume
control
=
Balance
control
=
Tone
controls
(bass
and
treble)
=
Quadro—effect
control
1
=
control
2
=
control
3
=
control
30
=
control
40
=
control
mA
fully
clockwise
in
mechanical
center
position
fully
anticlockwise
30
dB
below
maximum
40
dB
below
maximum
Output
voltage
Tp,
Bal
2,
Vol
1
Input
signal
1000
Hz,
200
mV,
on
both
chan—
nels
at
the
TAPE
input.
Equalise
the
amplification
of
the
two
chan—
nels
with
R
33.
Increase
the
input
voltage
until
the
front
outputs
each
have
4
V
into
4
Q.
The
distortion
at
this
output
voltage
should
not
exceed
10
%.
The
output
voltage
at
the
headphone
output,
terminated
with
400
Q,
should
be
2.6
—
3.6
V,
and
at
the
tape
recorder
socket
(contacts
1/2
and
4/2),
terminated
with
100
kg, 30
—
40
mV.
Check
the
volume
control
throughout
its
range
for
parallelity
of
the
tracking.
Channel
deviation
Ch
1/Ch
2
in
the
range
between
Vol
1
and
Vol
2
max.
4
dB
Channel
deviation
Ch
1/Ch
2
in
the
range
between
Vol
2
and
Vol
40
max.
6
dB
Quadro
output
Tp,
Bal
2
Input
signal
1000
Hz,
400
mV,
on
both
chan—
mels
at
the
TAPE
input.
Adjust
the
volume
control
for
3
V
into
4
0/channel
on
the
front
output.
Terminate
the
rear
outputs
with
4
Q
per
channel,
and
measure
the
voltages.
at
Qu
2
with
Qu
position
with
Qu
Voltage
outputs,
with
4
Q
in
the
0.40
—
0.55
+
0.85
—
1.10
in
on
position
—
the
front
0.25
—
0.40
terminated
2.10
—
2.60
Remove
the
termination
from
outputs
in
turn.
The
output
ponding
front
output
should
lue
(3
V)
set
up
above.
Bass
and
treble
lift
and
attenuation
Tp,
Sal
2,
Vol
1
Input
signal
1000
Hz
at
the
TAPE
input.
Out—
put
signal
into
4
0/channel,
front,
100
mV.
Ton
1,
Bass
lift
at
100
Hz
12
dB
+
2
dB
Ton
3,
Bass
attenuation
at
100
Hz
12
dB
+
2
dB
Channel
deviation
Ch
1/Ch
2
max.
3
dB
Ton
1,
Treble
lift
at
10
kHz
12
dB
+
2
dB
Ton
3,
Treble
attenuation
at
10
kHz
12
dB
+
2
dB
Channel
deviation
Ch
1/Ch
2
max.
3
dB
Physiological
volume
control
Tp,
Bal
2,
Vol
2
Input
voltage
1000
Hz,
200
mV,
at
the
TAPE
input.
Output
voltage
2
V
into
4
0/channel,
front.
Vol
30
Ton
1,
Bass
lift
at
100
Hz
24
dB
+
2.5
dB
Treble
lift
at
10
kHz
24
dB
+
2.5
dB
with
referance
to
1000
Hz.
V/channel
V/channel
V/channel
V/channel
Balance
control
Control
range
approximately
each
of of
the
of
the
corres—
rise
to
the
va-
40
dB
5
Bekijk gratis de handleiding van Dual KA 12 L, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.
Productinformatie
| Merk | Dual |
| Model | KA 12 L |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 28356 MB |