NAD C 556 Manual Del Usuario página 4

USING THE C 556
This turntable has been engineered to give extremely good musical
reproduction. Inherent in the design are several features that improve
sound quality and focus the manufacturing costs where they are most
needed.
Example: Speed change is achieved by manually moving the drive belt
from one pulley to another as shown below.
The cost saving from the use of manual speed change allows a very
expensive low vibration motor with an accuracy exceeding that of
conventional designs to be employed.
NOTES ON INSTALLATION
1 Try to mount the turntable on a rigid, level surface. A light shelf screwed
to the wall or in an alcove would be ideal. Avoid mounting on hollow or
heavy cabinets, or anything mounted on a wooden floor.
2 DO NOT lift the centre hub from its bearing. The bearing is factory
assembled with a film of thick lubricant. Disturbance of this can cause
serious problems with speed variation and wear.
3 The tonearm is automatically earthed (or ground) through the arm
cable screening. No other earthing should be necessary.
4 Save the packing, in case the turntable has to be transported in the
future.
TIPS AND SUGGESTIONS
1 Try to keep the lid closed while playing records. This will prevent dust
falling onto the records and make cleaning unnecessary. There may also
be a sound improvement.
2 Try to leave the turntable running during a record playing session.
Switch ON before the start, and only switch OFF after the last record has
finished. Changing records while the platter revolves is easier than it
sounds!
3 When the record reaches the end of one side, remember to lift the
stylus off the surface of the record using the lift/lower mechanism.
4 When switching on the turntable, especially at 45rpm, it is
recommended to give the platter a quick spin clockwise as the "ON"
switch is pressed. This relieves strain on the motor and belt.
5 No maintenance should be necessary. If the turntable is working well,
leave it alone. Some settling of the anti-vibration feet may cause the
turntable to lean backwards slightly after a few months, but this is
nothing to worry about.
6 Don't use a record cleaner that works as the record plays, or any
cleaners that use water or fluids. Don't touch the playing surface of
records. Visible dust on the record surface is simply brushed aside by
the stylus, and any that collects there can easily be blown away.
7 Don't use any polishes on the turntable or lid. To clean or dust, wipe
gently with a soft cotton duster (slightly damp, only if necessary).
ENJOY THE MUSIC!
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QUICKSTART FOR FACTORY FITTED CARTRIDGE
The C 556 is designed to be setup and used seamlessly. Setup the factory
fitted cartridge by the following setup instruction.
1 Push the counterweight as close as
possible to the stop point in order to
attain the correct tracking weight. This
will automatically set the tonearm to
within the recommended tracking
range for the factory fitted stylus (2.0g
– 3.0g).
2 Set the Bias adjustment slider to the
same number as the tracking weight.
For example, 2.0g tracking weight =
2.0g on the Bias slider.
ADVANCED SET-UP
A
A tracking pressure gauge is required to correctly apply the required down
force when changing the factory fitted cartridge with a new or different
cartridge. The down force must correspond to the upper limit of the
cartridge maker's recommended range.
1 Align the new cartridge correctly as shown.
A
A
Stylus tip
2 Adjust the cartridge position in the head-shell so that the stylus tip is
vertically aligned with the front of the hole marked A.
3 Ensure the cartridge is sitting square in the head-shell before fully
tightening. Do not over tighten!
4 Set the Bias adjustment slider to the same number as the tracking
weight.
CONNECTING THE C 556
Use the external phono leads to connect the C 556 to an amplifier. Use an
external Phono Preamplifier (like one of NAD's Phono Preamplifier series) if
your amplifier has no integrated phono stage.
Stop point
Tonearm
Counterweight
A
A
Bias slider
A