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Additional information sheet for the operating manual
This unit is equipped with the Dual stereo ceramic pick-up
cartridge CDS 650, which can be supplied ex factory with
one of the followin:
DN
6:
g styli:
2 x 0.6 mil sapphire needle
for microgroove and stereo records
DN 65:
0.6 mil di
iamond needle
for microgroove and stereo records
DN 66:
0.6 mil sapphire needle
for microgroove and stereo records
Stylus type (e. g. DN 6) ist shown on needle bearing.
To place the stylus request in playing position, turn needle
by 180°.
Technical datas
Recommended stylus
Pressure:
Frequency range:
Output:
Output difference
between channels:
Isolation between
channels:
Compliance:
AC resistance:
Net weight:
49 (3,5—4,5 9)
20 c.p.s. to 16 k.c.p.s.
Minimum 65 mV / 1 cm/sec per
channel at 1 k.c.p.s.
(1 M 2/200 pF)
Maximum
2 dB at 1 k.c.p.s.
Approx. 22 dB at 1 k.c.p.s.
Horizontal 6 x 10-6 cm/dyn
Vertical 4,5 x 10-6 cm/dyn
per crystal element
approx. 160 k at 1,000 c.p.s.
3,89
CDS 650
Stereo frequency response, cut-off resistance IMQ/200pF) |
Measuring record DIN4SS41, DG recording
curve ê DIN45547, Stylus force 4g.record player, Dual 1210}
048 =min 65mV/ems
"at 45? cutting angle = 20°C
H
FÉ
left channel
|
=
right channel
mas
een
1
2
4680
Fig. 1
*
2
4 680? 2 4 680% 2 4
Dual 420
Changing the pick-up cartridge
To take out the pick-up cartridge, un-
lock the tonearm and hold it with the
left hand. With the right hand thomb,
pull down the pick-up cartridge until
it snaps out.
Mounting the pick-up cartridge
Hold the pick-up cartridge between
the thomb and the index finger of the
right hand and slanting it inside the
pick-up head so that the guide bar (A)
of the pick-up cartridge sets into the
wide cut-out (B) (Fig. 3).
The novel snap-on mounting of this
pick-up cartridge on the tonearm elimi-
nates all mounting hardware. The snap-
on mounting secures perfect geometri-
cal alignment of the stylus tip.
Attention!
The stylus assembly should be remo-
ved from the cartridge before moun-
ting or removing same from the car-
tridge holder.
Changing the stylus
After having removed the pick-up car-
tridge, turn the needle bearing by 90°
as shown in fig. 4. Now the needle can
be changed
quite easily.
Insert the needle in the same position
and make shure that the needle bea-
ring is properly seated in the cut-outs
of the cartridge.
Fig. 2
Fig. 3
Fig. 4
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