Dual CS 1264 User manual
CS
1264
Owner's
manual
Single-play/multiple-play
turntable
with
Vario-belt
drive
ULM
(Ultra
Low
Mass)
tonearm
Introduction
You
now
own
one
of
the
finest
turntables
made
today,
one
which
will
make
your
records
more
enjoyable
than
ever
before.
In
addition
to
your
turntable’s
superb
performance,
you
will
opreciate
its
‘case
and
simplicity
of
operation
and
in
time,
its
long-lasting
reviability.
Before
proceeding
with
the
installation,
please
read
through
this
manual
carefully.
This
will
help
prevent
any
problems
from
incorrect
installation
or
imprecise
tonearm
se:tings
If
you
should
have
any
questions
about
your
Dual’s
operation
or
performance.
please
contact
us,
We
would
aiso
appreciate
your
comments
on
the
enclosed
warranty
card,
We
appreciate
your
selection
of
Dual
and
hope
you
will
have
countless
hours
of
musical
enjoyment,
Contents
Page
Features
of
the
Dual
CS
1264
Inside
fiap
Installation
Unpacking
and
setting
up
6
Attaching
the
dust
cover
Connections
to
power
supply
Connections
to
amplifier
Installing
cartridges
Removing
ULM
cartridge
Installing
1/2-inch
cartridges
Tuning
the
mechanical
anti-resonance
filter
Compliance
of
HiFi
magnetic
and
dynamic
cartridges
7
Balancing
the
tonearm
Applying
tracking
force
Applying
anti-skating
Operation
8
Single-play
operation
Automatic
start
Cue-contro!
start
To
interrupt
or
stop
play
Continuous
play
Multiple-piay
Pitch-contral
and
strobe
Adjustment
of
tonearm
indexing
Cue-contro!
height
adjustment
Removing
the
platter
Replacing
the
drive
belt
Stylus
care
Servicing
9
Technical
data
Ulustrations
for
instaltation
of
cartridge
WARNING:
To
prevent
fire
or
|
shock
hazard,
do
not
expose
this
|
product
6
rain
or
moisture.
CS
1264
v7
6
14
1
2
Fig
4
Tag
ii
ig
automstic
|
BELT
DAIVE!
Features
of
the
Dual
CS
1264
(1)
Tonearm
counterbalance
with
tunable
resonator
(2)
Locking
screw
for
tonearm
counterbalance
(3)
Tracking
force
setting
(4)
Alignment
screw
for
tonearm
height
(5)
Anti-skating
setting
(6)
Cue
control
(7)
Continuous
repeat
switch
(8)
Alignment
screw
for
tonearm
set-down
point
(9)
Tonearm
post
with
tonearm
rest
10)
Automatic
start-stop
switch
Fig
6
11)
Iiluminated
stroboscope
(2
13)
Cartridge
at
(14)
Single-play
spindle
ment
screw
(15)
Transport
locking
screw
(one
of
three)
(16)
Pitch
contro!
17)
Speed
selector
18)
Multiple-play
spindle
AS
12
for
large-hole
records
(special
accessory)
19)
Adapter
for
large-hole
records
(20)
Multiple-play
spindle
AW
3
Phony
Installation
Unpacking
and
setting
up
‘The
chassis
is
secured
to
the
bese
by
three
self
contained
transit
screws.
To
release
the
chass's
from
its
transit
position,
turn
each
screw
clockwise.
At
mid-position,
each
screw
will
disengage,
Continue
to
turn
clockwise
until
each
screw
is
tightened
in
te
chassis
(2)
A
B
Note:
Reverse
all
these
procedures
whenever
the
Dual
is
to
be
moved
for
any
distance,
Be
sure
to
lock
the
transit
screws
in
their
up-oositions
and
secure
the
platter
to
the
chassis
using
either
the
wedges
supplied
originally
or
strips
of
corrugated
cardboard
Attaching
the
dust
cover
The
base
is
provides
with
specia
spring
losded
hinges
which
low
the
cover
to
remain
open
at
any
angle.
To
install
the
dust
cover,
ture
the
base
around
so
the
hinges
are
readily
accessible.
Parallel
the
rear
pane!
of
the
cover
to
the
receiving
slots
on
the
hinges
(the
angle
Is
60°)
and
press
the
bottom
edge
into
the
slots.
The
cover
is
removed
in
the
same
manner.
(The
cover
is
Kept
in
any
desired
open
position
by
the
spring
Tonsion
of
the
hinges).
To
adjust
the
spring
tension,
turn
both
Screws,
In
most
cases
a
half
turn
will
be
sufficient
Connections
to
power
supply
You
car
ug
the
line
voltage
cord
of
your
Dual
either
convenience
outlet
on
the
beck
of
your
amplitier
oF
into
a
house
outlet.
The
AC
plug
's
polarized
and
requires
3
polarizee
outlet.
If
the
amplifier
AC
outer
is
switched.
the
amplifiers
on/off
switch
will
control
the
power
to
the
Oval
Connections
to
amplifier
1,
The
black
phono
cable
is
for
the
ight
channal,
the
white
cable
for
the
left
channel.
2.
Connect
the
ground
wire
of
your
Dual
to
the
grounding
Screw
on
the
rear
of
your
amplifier.
Installing
cartridges
Nowe:
if
you
purchased
your
Dus!
turatable
with
2
ULM
cerridge,
ft
has
already
been
jesialled
and
mounted
in
the
tonearm.
The
information
in
this
section
need
be
refered
to
only
if
you
should
ever
wisn
to
replace
your
ULM
certridge
with
another
ULM
carriage
or
to
installa
standard
cartridge
sth
/2inen
mounting
cone,
[You
wl
noes
a
al
sre
Removing
ULM
cartridge
1.
The
ULK!
cartridge
in
its
mounting
plete
is
secured
to
the
tonearm
head
by
an
attachment
screw
(13),
There
may
also
be
an
additional
small
screw
(Fig.
6/S)
inserted
in
the
tonearm
head
at
the
side
of
the
attachment
screwy,
If
so,
remove
this
first
‘anc
set
aside.
{Irs
function
Is
to
prevent
removal
of
the
stylus
assemb)
2.
Turn
the
attachment
screw
counterclockwise
while
holding
the
cartridge
which
will
De
joasered
and
then
detachee
from
the
tonearm
heed,
(This
screw
is
permanently
attached
to
the
tonearm
head.)
3.
To
replace
@
ULM
cartridge,
reverse
the
above
procedures,
(ULM
cartridges
are
provided
already
mounted
to
the
ULM
mounting
plate.)
Installing
1/2-inch
cartridges
1.
Detach
the
tonsarm
leads
from
the
ULM
cartridge
pin
holder.
2.
Use
the
mounting
accessories
provided
with
the
turntab
These
include:
@
mounting
place,
screws,
nuts,
spacers
and
a
poy.
3.
Attach
the
1/2.inch
cartridge
to
the
mounting
pl
fither
the
hardware
provided
with
the
turntable
o”
carrridge.
Depending
on
the
depth
of
the
cartridge
body
you
may
need
16
use
spacers
batween
the
mounting
plata
and
the
cartridge.
The
use
of
the
gouge
descrived
below
wil
indicato
this.
Do
not
tighten
the
mounting
screws
yet.
4.
Use
the
gauge
as
shown
in
figure
9
t0
check
the
ariencation
Of
the
cartriage
in
the
mounting
plate.
Viewed
from
above,
the
stylus
tip
should
be in
the
V-shaped
recess
of
the
gauge.
Viewed
{rom
the
side,
the
sty/us
should
be
inthe
rectengular
gop,
When
the
cartridge
is
correctly
positioned,
carefully
ighten
the
mounting
screws.
Then
check
with
the
gauge
once
again
to
make
sure
the
cartridge
has
not
shifted
when
being
tightened,
5.
Connect
the
tonearm
leads
to
che
cartridge
pins.
following
this
colar
code:
Reg
A
(right
channe)
Grean
GR
(right
channel
ground)
Blue
GL
{lett
channel
ground}
Write
L
{left
channel)
8.
Place
the
mounted
cartridge
under
the
tonearm
head
so
that
the
pins
on
the
top
surface
of
the
mounting
plate
fit
co
the
corresaonding
holes
on
the
bottom
surface
of
the
tonearm
head
7
Secure
the
cartidgein
place
by
turning
tha
attachment
screw
clockwise
(13),
Tuning
the
mechanical
anti-resonance
filter
The
tuning
antiresonator
enables
optimum
adaptation
of
the
tonearm
to
the
cartridge
being
used,
Not
criy
Dual
ULM
certridges
but
also
conventional
1/2"
cartridges
can
be
apti-
‘rally
adapted
with
this
device.
For
the
ULM
cartridge
or
for
the
1/2"
cartridge
you
can
find
the
valuo
to
be
set
in
the
follo-
wing
disgram,
Locate
the
totsl
weight
of
the
cartridge
inciuding
mounting
jnare
on
the
horizontal
scale.
Move
up
to
the
point
on
the
ine
corresponding
to
the
compliance
of
your
cartridge.
Then
look
at
the
vertical
scale
at
jeft
and
read
off
the
optimum
‘uning
value.
‘Net
weight
and
compliance
of
cartridge
can
be
found
in
its
ac
‘companying
data
sheet,
Add
to
the
net
weight
of
the
cartridge
‘the
weight
of
the
mounting
hardware
(mounting
plate,
screws,
spacers,
and
nuts),
With
Dual
ULM
cartridges,
net
weight
and
{otal
weight
are
the
sam
{In
order
to
set
the
tuning
anti-resonator,
turn
the
scale
ring
in
clockwise
direction
until
you
see
the
determined
scale
value
‘above
the
pointer.
tis
recommended
to
carry
out
tuning
setting
before
inserting
the
counterbalance
in
the
tonearm,
In
this
case,
hold
the
stem
with
one
hand
and
turn
the
scale
ring
with
the
other.
Note:
If
you
turn
the
damping
selector
in
the
range
of
the
wedge-shaped
marking
to
stop
position,
the
tuning
anti-resona-
‘or
is
safo-guarded
against
transport
damage.
Compliance
of
HiFi
magnetic
and
dynamic
cartridges
Cartridge
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94
Balancing
the
tonearm
Note:
1/2inch
cartridges
weighing
6.5
grams
or
more
will
re-
Quiere
the
addition
of
weights
on
the
rear
of
the
counterbalance
in
order
for
the
tonearm
to
be
properly
balanced.
Two
such
‘weights
are
provided
in
the
accessory
package.
For
cartridges
weighing
approximately
6.5
grams,
screw
the
weight
with
the
‘threaded
screw
(the
smaller
thread)
into
the
rear
of
the
coun-
terbalance.
For
cartridges
weighing
more
than
6.5
grams,
the
second
weight
should
be
screwed
onto
the
first.
1.
With
the
tonearm
locked
and
the
stylus
force
and
anti-
skating
dials
set
at
0,
sip
the
shaft
of
the
counterbalance
onto
the
rear
of
the
tonearm,
guiding
it
on
by
the
V-shaped
track,
Do
not
tighten
the
set
screw.
2.
If
your
cartridge
has
@
removable
stylus
protector,
detach
it
before
balancing
the
tonearm.
3.
Unlock
the
tonearm
and
move
it
to
the
inside,
past
the
‘switch-on
position.
Move
the
cue-contral
to
the
&
position,
‘Then
notice
if
the
tonearm
floats
either
up
or
down,
4,
Slide
the
counterbalance
back
and
forth
until
the
tonearm
is
approximately
balanced
for
the
weight
of
the
cartridge.
Then
tighten
the
set-screw.
5.
For
fine
balance,
turn
the
knurled
ring
of
the
counter-
balance
until
the
tonearm
floats
freely
parallel
to
the
platter.
Applying
tracking
force
Pace
the
tonearm
on
the
rest
post
and
dial
the
tracking
force
recommended
for
your
cartridge,
Tracking
force
can
be
set
to
any
value
from
0
to
3.0
grams.
Between
0
and
1.5
grams,
the
dial
is
calibrated
in
increments
‘of
0.1
gram.
between
1.5
and
3.0
grams,
in
increments
of
0.25
gram.
Note:
The
Dual
tonearm
can
track
at
a
force
as
lowas
0.25
gram.
However,
you
should
not
actually
attempt
to
track
at
so
low
a
force
as
this
is
below
the
optimum
tracking
force
on
any
cartridge
available
today.
In
all
cases,
the
tracking
ability
of
the
cartridge
you
select
will
determine
the
best
stylus
force
to
‘se
It
is
usually
wise
to
set
tracking
force
toward
the
higher
end
of
the
range
suggested
by
the
manufacturer
of
your
cartridge.
If
oud
passages
with
a
good
record
sound
clean,
you
can
reduce
the
force
slightly.
but
listen
for
the
harshness
or
fuzziness
that
Occurs
with
insufficient
tracking
force,
Too
light
a
tracking
force
produces
distortion,
and
also
produces
groove
skipping
and
excessive
record
wear
Too
heavy
a
tracking
force
restricts
the
ability
of
the
stylus
to
follow
the
contours
of
the
groove
and
can
also
cause
excessive
record
wear.
Applying
anti-skating
‘Use
the
bottom
scale
(©)
for
conical
styli,
the
top
scale
()
for
elliptical
styli.
Dia!
to
the
same
number
you
have
set
for
wrecking
force.
Operation
After
the
initial
installation
and
after
the
unit
has
been
trans-
ported,
lock
the
tonearm
on
the
rest
post,
and
move
the
‘operating
switch
to
“start”.
This
will
ensure
the
automatic
ceyciing
mechanism
is
in
neutral
Single-play
operation
For
12,33
rpm
records,
insert
the
short
spindle
into
theshatt.
For
7”,
48
rpm
records,
use
the
large-hole
adapter.
Automatic
start
‘The
tonearm
will
index
12"
records
when
motor
speed
is
set
for
33
1/3
rpm;
7”
records.
when
speed
is
set
for
45
rpm.
Move
the
operating
switch
to
“start.
(The
motor
will
start,
the
tonearm
will
rise,
move
over
to
the
record
and
descend
to
play.)
Cue-control
start
Move
the
cue-control
lever
to
position
&
,
then
place
the
tone-
arm
over
the
record
where
you
would
ike
play
to
begin.
(The
platter
will
begin
to
rotate
when
the
tonearm
is
moved
toward
the
record.)
To
lower
the
tonearm,
flick
the
cueccontrol
lever
to
To
interrupt
or
stop
play
For
a
brief
interruption,
move
the
cue-control
fever
to
X
and
the
tonearm
will
it,
(The
platter
will
continue
to
rotate
To
stop
play,
either
move
the
operating
switch
to
“stop,”
or
lift
the
toneaem
from
the
record
(sither
by
hand
or
with
the
‘cue
contol)
and
move
it
to
the
rest
post,
(The
motor
will
shut
off
automatically.)
Continuous
play
When
the
continuous-repeat
switch
(7)
is
in
position
GO
,
the
‘tonearm
will
repeat
the
record
until
switched
to
the
single-play
position,
ar
until
the
operating
switch
is
moved
to
“stop.
Multiple-play
Insert
the
long
spindle
(20)
into
the
platter
shaft
so
that
the
kay
at
the
bottom
of
the
spindle
fits
into
the
slot.
Lock
the
spindle
in
place
by
pressing
it
down
and
turning
clockwise
until
it
stops.
Up
to
six
records
can
now
be
played
in
automatic
sequence.
using
the
same
operation
as
in
single
play.
To
interrupt
any
record
in
play
and
change
to
the
next one,
move
the
operating
switch
to
“start.”
Records
already
played
can
be
lifted
back
onto
the
soindle
far
replay
or
to
be
removed,
The
spindle
need
not
be
removed.
Note:
An
optional
large-hole
multiole-play
spindle
for
45
rpm
records
is
available
at
your
Dual
dealer.
Pitch-control
and
strobe
Each
of
the
two
speeds
can
be
varied
with
the
pitch
control
To
set
the
speeds
precisely
at
33
1/3
or
45
rpm.
play
a
record
while
viewing
the
illuminated
strobe
bars
on
the
platter
rim.
Each
speed
is
exactly
correct
when
no
movement
of
the
bars
is
observed.
If
the
bars
appear
to
move
counterclockwise,
motor
speed
is
slow.
Turn
the
pitch-control
clockwise
to
advance
speed.
If
the
bars
are
moving
clockwise,
the
speed
cen
be
Slowed
by
turning
the
pitch-control
counter-clockwise.
‘The
pitch-contral
can
also
provide
other
than
exact
speed,
For
example,
when
you want
to
match
the
pitch
of
recorded
‘music
to
a
live
musical
instrument,
Also,
when
making
tepe
recordings,
you
may
orefer
that
the
tape
sound
flatter
or
shar-
pper
than
at
“normal”
speed.
You
can
also
"stretch"
or
shrink”
a
recorded
selection
slightly
to
match
a
length
of
motion
pic:
sure
film,
Adjustment
of
tonearm
indexing
When
the
operating
switch
is
moved
to
“start”,
the
tonearm
automatically
lifts,
moves
to
the
record
and
lowers.
The
stylus
should
set
down
in
the
lead-in
groove.
If
the
stylus
of
another
cartridge,
installed
later,
sets
down
too
far
inside
or
outside
the
lead-in
groove,
proceed
as
follow.
Slightly
lift
the
Dual
emblem
located
at
the
right
front
comer
Of
the
chassis
and
move
it
outward.
The
adjustment
screw
(8)
will
then
be
visible
through
the
opening,
Adjustment
of
tonearm
indexing
for
12”
(30
em)
records.
Move
speed
selector
(17)
10
45”
and
correct
the
setting
by
turning
the
adjustment
screw
slightly.
(use
a
suitable
screw-
river)
If
the
stylus
sets
down
too
far
inside
the
lead-in
groove,
turn
the
screw
clockwise,
If
the
stylus
sats
down
too
far
outside
the
leadin
groove,
turn
the
screw
counterclockwise.
Adjustment
of
tonearm
indexing
for
7”
(17
em)
records.
Move
the
speed
selector
(17)
to
"33"
and
proceed
as
indicated
above
for 12”
records
Cue-control
height
adjustment
The
height
of
the
stylus
tip
over
the
record
in
the
raised
posi-
tion
¥
can
be
varied
approximately
1/4”
(6
mm)
by
turning
the
adjustment
screw
(4).
Do
not
exceed
this
range
as
the
tonearm
movement
may
be
im-
peded.
Removing
the
platter
The
platter
is
secured
to
the
shaft
by
the
decorative
center
ring.
To
remove
the
platter,
press
the
ring
slightly
downward
‘and
turn
it
clockwise
approximately
60°
until
it
releases.
The
platter
can
now
be
lifted
off.
To
place
the
platter,
reverse
the
above
procedures,
turning
the
ring
counterclockwise.
Replacing
the
drive
belt
Remove
the
platter
as
described
above
and
set
the
old
belt
aside,
Place
the
new
balt
around
the
drive
platter
of
the
tum-
table,
with
the
textured
(ground)
side
of
the
belt
on
the
in-
side.
‘Then
slip
the
belt
around
the
Vario-pulley
and
inside
the
guide
fork.
Finally,
lower
the
platter
onto
the
shaft
and
secure
with
the
decorative
center
ring.
Stylus
care
In
normal
use,
every
stylus
is
subject
to
wear
and
tear.
We
recommend
that
yours
be
inspected
periodically,
and
cer-
tainly
after
approximately
300
playing
hours
in
the
case
of
dimond
styli.
Worn
or
damaged
(chipped)
styii
will
grind
the
modulation
out
of
the
grooves
and
damage
your
records.
For
replacement,
obtain
only
the
stylus
tyne
recommended
in
the
‘Technical
Data
for
your
cand.
imitations
can
cause
noticeable
Joss
in
sound
quality
and
rapid
record
wear.
Piease
keop
in
mind
that
the
stylus
and
cantilever
are
ne.
cessarily
quite
delicate
in
arder
to
provide
quality
perfor-
mance.
They
ae
extremely
sensitive
to
harsh
handling,
2c:
cidental
blows,
etc.
Take
the
cartridge
in
the
holder
to
your
Dua)
deaier
for
inspection
of
the
stylus,
(Removal
of
cartriage
holder
is
described
abovel
Servicing
Your
Dual
has
a
limited
warranty
of
wo
years
trom
date
of
purchase
against
manufacturing
defects
or
faulty
parts.
Should
your
unit
require
service,
please
write
to
our
service
epartment
{address
on
the
back
cover!,
describing
your
complaint.
During
the
warranty
period,
the
Dual
will
be
serviced
without
ccharae
under
the
conditions
statad
on
the
warranty
card.
Note:
Only
factory-authorized
service
stations
should
service
the
Dual,
any
servicing
by
anyone
else
will
void
our
warranty
‘After
it
has
been
serviced,
your
turntable
will
be
shipped
back
to
you
Technical
data
Currant
AC
50
or
60
Hz,
changeable
by
changing
metor
pulley
Line
voltage
115
or
230
V,
changeable
Drive
Qual
16:00le
synchronous
motor:
precision
flat
belt
for
flywheel
drive
Power
consumption
approx.
8
watts
Starting
time
(to
esch
nominal
speed)
approx.
2.5
seconds
at
33.3
rom
Power
consumption
at
220
V,
50
Hz:
approx,
75mA
at
117
V,60Hz:
approx.
140.
mA
Platter
Non-magnetic,
detachable,
1
kg,
304
mm
@
Platter
speeds
23
1/3
and
45
rom
Automatic
tonserm
set-down
coupled
with
speed
adjustment
Pitch
control
variation
3t
both
platter
soeeds
Adjustment
range
at
33
1/3
rpm
approx.
1
semitone
(6%)
‘Speed
contro!
with
illuminated
stroboscope
for
platter
speeds
33
1/3
and
45
rom,
50
and
60
Hz
‘Sensitivity
of
the
illuminated
strobe
for 0.1
%
speed
deviation
6
division
markings
per
minute
at
90
Hz,
7.2
division
markings
per
minute
at
60
Hz
Total
wow
and
flutter
DIN
£007
%
WRMS
30.04%
Rumble
(according
to
DIN
45
500)
Unweighted
48
dB
Weighted
70.d8
Tonearm
Distortion-tree
“ultratow-mass”
aluminum
tubular
tonearm
in
4-point
gimbal
bearing
Effective
tonearm
length
221
mm
Ottset
angle
24°
4
Tangential
tracking
error
0.16°/cm
‘Tonearm
bearing
friction
(roterrad
to
stylus
tip)
0.07
mN
(0.007
g)
Adjustable
overhang
5
mm
Dual]
United
Audio
Products,
Inc.,
120
So.
Columbus
Ave.,
Mt.
Vernon,
N.Y.
10553
Exclusive
US.
Distribution
Agency
for
Dual
2201823
Pinta
in
Germany
by
De
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