Dual 1211 Service Manual

Fig. 1
Tonearm hookup
schematic
right channel
.
channel 1
I
I
I I
--J
I -
I )-
red
tonearm junction board
with muting switch
Q1
n
Q2
•
1
contact plate at plug-in head
plug-in
head with cartridge
red
green
mu-metal
housing of cartridge
%•••
phonograph
egme .eeem:eßeeem,:eeedeä:
record
channel 1
red
r — —
•
inner side
of groove
left channel
Q2
tonearm
circuit
left
channel
channel 2
white
I
I
I
I
•
I
2
channel 2
white
J
Q2
•
a) with
miniature 5-pin plug
channel 1
red lead
channel 2
white lead
red
b)
with
phono
plug
1
1 h
t 1
ir...
............
1
1
1 1 1
1
yellow
f
c) with banana
plugs
channel 1 red
channel 2 =
yellow
common
= black
ground =
green ---- --• •
plug-in head
spring contacts between
plug-in cartridge head
and
tonearm
white
blue
outer side of groove
1
right channel
2

Dual 1211 Specifications

General

Weight	6.5 kg
Speeds	33, 45 RPM
Platter	Aluminum
Wow and Flutter	<0.15%
Drive Type	Idler Wheel Drive