Dual 1236 A Bruksanvisning


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Sida 1/2
Dual
August
1976
Edition
721
Service
Manual
Dual
Gebrüder
Steidinger
7742
St.
GeorgenISchwarzwald
Download from www.dual.de
Not for commerical use
Specification
Current
Type
AC
50
-
60
Hz,
without
motor
changeover
Line
voltages
110
130
Volt,
220
240
Volt
Drive
Electronically-controlled
direct
drive
System
Dual
EDS
1000-2
Power
Consumption
approx.
2.5
Watt
Motor
during
play
<50
mW
Current
Consumption
with
220
V
50
Hz:
on
start-up
60
mA
during
play
20
mA
with
110
V
60
Hz:
on
start-up
110
mA
during
play
app.
38
mA
Run
-up
Time
(until
nominal
speed
is
reached)
2
2.5
sec.
on
33
1/3
rpm
Platter
Non-magnetic,
dynamically-balanced,
detachable,
1.5
kg
305
mm
Total
rotating
mass
of
drive
system
(rotor
with
platter)
3.0
kg,
moment
of
inertia
250
kp
cm
2
Platter
Speeds
33
1/3
and
45
rpm,
electronically
switchable,
automatic
tonearm
lowering
coupled
to
speed
change.
Pitch
Control
Separate
for
both
speeds,
adjustable
in
each
case
with
variable
resistor,
with
setting
scales,
range
of
adjustment
10
%.
Speed
Check
with
l
ight
stroboscope
for
platter
speed
33
1/3
rpm.
Sensitivity
of
Light
Stroboscope
for
0.1
%
Speed
Deviation
3
graduations
per
minute
at
50
Hz
3.6
graduations
per
minute
at
60
Hz
Overall
Speed
Variation
(assessed
in
accordance
with
DIN
45
507)
0.03
%
Signal-to-Noise
Ratio
(in
accordance
with
DIN
45
500)
Rumble
unweighted
signal-to-noise
ratio
>
50
dB
Rumble
weighted
signal-to-noise
ratio
>
70
dB
Tonearm
Torsion
resistant,
extra
long
tubular
aluminum
tonearm
in
super
flat
universal
four-point
gimbal
suspension,
tone
-
arm
balance
weight
with
double
acting
vibration
damping
(2
anti-resonators).
Effective
Tonearm
Lenght
222
mm
Offset
Angle
25
0
20'
Tangential
Track
Error
Angle
0.16
0
/
cm
Tonearm
Bearing
Friction
(related
to
stylus
point)
Vertical
<0.07
mN
(0.007
g)
Horizontal
<
0.15
mN
(0.015g)
Tracking
Force
0
-
30
mN
(0
-
3
grams)
infinitely
variable
with
1
mN
(0.1
g)
calibrations
from
0
to
15
mN
(0
to
1.5g),
operable
from
2.5
mN
(0.259)
stylus
pressure
up.
0
-3
g
continuously
variable,
with
1/10
calibration
in
the
range
from
0
-
1.5g,
reliable
as
from
0.25
g
tracking
force
Pick
-up
Head
Detachable,
suitable
for
all
pick
-up
cartridges
with
1/2"
mounting
and
a
deadweight
of
2
-
10
g
(including
moun-
ting
material)
Adjustable
Overhang
5
mm
Pick
-up
Cartridge
See
separate
data
sheet
Weight
7.8
kg
Dimensions
and
Cutout
Required
refer
to
Installation
Instructions.
1976
2


Produktspecifikationer

Varumärke: Dual
Kategori: Inte kategoriserad
Modell: 1236 A

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