Dual 430 - Connection to Power Supply

Dear record lover This simple procedure solves three problems. Extreme care is necessary when changing the
P a The screws hold the chassis on its base, secure motor pulley, as a bent motor pulley will
Please read these instructions en it when it has to be moved any distance, and cause rumble.
before you start using your Dual so allow the chassis to be installed entirely from pr potros Rates
that
you
will
not
encounter
any
pro-
the
top.
Bs
en
m
pulleys:
blems resulting from faulty connection To secure for transport just stacken the screws 60 Hz: 220 419
or handling. by turning anti-clockwise, pull up and tighten i
by continuing to turn in the same direction
Fold out page 2. (C). The hold-down screws are released as
follows: turn the two screws clockwise until
they drop about 15 mm and then retighten
them by continuing to turn them clockwise.
Removing the turntable
The turntable is held in position by a spring
washer which locates in a groove on the
turntable mounting. To remove the turntable,
pull off the turntable spring washer after
= detaching the turntable cover.
Connection to power supply
The operating instructions of the record player Important: When handling she tumntable avoid
component are to be used for record changers touching the inner surfaces with your fingers
installed into consoles. as skin oils can cause slip (and resulting
The Dual operates on 110 or 220 V AC, 50 or pitch deviation) between the idler wheel and
60 Hz, and is usually set for 220 volts 50 Hz. the driving rim of the turntable.
Unpacking
Remove all parts used for packing.
Connection to amplifier
The operating instructions of the record player
component are to be used for record changers
installed into consoles.
Remove the needle protector. (Please follow
the instructions on the special cartridge leaflet)
Instructions for setting the stylus force are
found on page 6. The standard record player cable is fitted
with a miniature plug (DIN 41 524).
Fig. 3
Installation
The
voltage
can
be
seen
on
the
voltage
selector,
the frequency is shown on the type plate. >
The installation instruction is only important if Both voltage selector and type plate can be ı 3 = left channel
the phonograph is bought without base. 5 = right channel
reached after the turntable is removed.
i
If your amplifier has different connections :
than those of the Dual, adapters can be obtai-
ned from your dealer. |
Power frequency 50 or 60 cycles \
To change frequency, it is necessary to chan- I
ge the motor pulley which is secured to the E
motor shaft by a screw. For access to the }
Fig.
1
motor
pulley
the
turntable
must
be
removed.
!
|
Press
the
chassis
hold-down
screws
to
the
[i
chassis
edge
(A)
with
the
thumbs
and
place
Ss
|
the
chassis
on
the
panel
so
that
the
three
spring
Service
f
cups
locate
in
their
holes.
Then
tighten the
All
lubrication
points
of
the
Dual
are
supplied
E
chassis hold-down
screws
by
turning clock-
with
sufficient
oil
to
permit
years
of
operation
i
wise; the chassis will then be spring-loaded in
playing position (B).
under normal conditions. Do not add oil at
any point, as special lubricants are used. If
your Dual should ever need maintenance,
plaese takeit to your dealer or ask him for the
name of the nearest authorized Dual Service
Station. This will assure that only proper Dual
parts are used. When shipping your Dual, use
the original packing in order to prevent dam-
age in transit. If the original packing has been
discarded, write for special shipping instruc-
Fig. 4 tions,