Dual 1211 Service Manual
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Extracted text from Dual 1211 Service Manual (Ocr-read)
Page 1
ua
Edition May 1971
Technical data
Line erQUOZCy:
Line voltage:
:2uar coheomstio':
Current requirements:
Turntaule apeeoa:
Speed adjustment:
Turntable:
wow and Flutter:
Rumblfi:
5;;nal-to-nozee ratio:
Tanearmx
Cartridge holder:
weight:
Dimensions and mounting
cutouts:
Dual 1211
Service Manual
alternating, 50 or 60 cycle, uith approprlate motor oulleye
selector For 113 or 220 volts
2-pole Dual single-phase induction motor or a-oole asynchron2ue m:tor
with redielelaatic auapenalon
18 watts approximately at 220 U. SD cycle
50 ma. maximum at 228 V. 50 cycle
115 me. maximum at 117 V, 50 cycle
33 1/3. as and 7a r.p.m.
adjustment of 1 aemitone (6 S) at all three turntable speeds
ueight 3.2 lbs.. die 10 5/6"
lean than-(z. 0.17 5
less than 35 dB below signal level} in accordance with
less than 55 dB belou signal level DIN 45 53
torezonally rigid, tubular natal arm uitn vertical needle bearznge,
horizontal ball bearings. Min. etylua force: 3 p
removable. suitable for acceptance of cartridges having 1/2" mounting
and possessing e ualgnt of 1 - 8 grama
9.7 lbs. ulthout packing
sea installation instructions
Dual Gebrflder Steldlnger - 7742 St. Georgen/Schwarzwald
Page 2
Fig.1 Tonearm hookup schematic
nghl channel leII channel
a) with miniature 5-pln plug
Ionearm Iunction board
with muting switch \ channel I
__________________ redlead
I"
I
: l channel 2
I l thIe «no
I
I I
II : b) with phono plug
I I n
I I I . :
I I : red ' I I ' yellow
I I I I I I I
I I I
I- ____________________ I.._.I
' I
' l
' I
' I
' I
I I
I I Q] 02
channel 1 I | channel 2
red I ' wmle c) with banana plugs
| I channel I red
I : channel 2 yellow
: : common black
I I ground green
QII .02
L
r" - -- - - - ,-
}- mug In head
J sprung contacts between
I R 9 a g L I plug-In carlndge head
_ . r-- --" and lonearm
- I
plug m head WIth cartrIdge __L_.: I I
I
I ' v I
red whllv
I
green I - - blue
I
I
I
mu-metal heusmg of carIndge-H
phmmgrap
record "109! Slde o! groove 0 Q ontm SIdo nt gmuw:
- IelI channel 2 I nghr chanm-I