4
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To assure the finest performance, please read this manual
carefully. Keep it in a safe place for future reference.
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Install the speakers in a cool, dry, clean place – away from
windows, heat sources, sources of excessive vibration, dust,
moisture and cold. Avoid sources of humming
(transformers, motors).
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To prevent fire or electrical shock, do not expose the
speakers to rain or water.
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To prevent the enclosure from warping or discoloring, do not
place the speakers where it will be exposed to direct
sunlight or excessive humidity.
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Do not place the speakers where it is liable to be knocked
over or struck by falling objects. Stable placement will also
ensure better sound performance.
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Placing the speakers on the same shelf or rack as the
turntable can result in feedback.
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Any time you note distortion, reduce the volume control on
your amplifier to a lower setting. Never allow your amplifier
to be driven into “clipping”. Otherwise the speakers may be
damaged.
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When using an amplifier with a rated output power higher
than the nominal input power of the speakers, care should
be taken never to exceed the speakers’ maximum input.
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As these speakers contain strong magnets (though NS-
M40, NS-C40 and SW-P40 are magnetically shielded
types), avoid placing watches, magnetic tapes, etc. near
them. Also, placing the speakers near a TV set may impair
picture color. If this happens, move the the speakers away
from TV set.
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Do not attempt to clean the speakers with chemical
solvents; this might damage the finish. Use a clean, dry
cloth.
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Secure placement or installation is the owner’s
responsibility.
YAMAHA shall not be liable for any accident caused by
improper placement or installation of the speakers.
<
For SW-P40 only
>
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Never open the cabinet. If something drops into the set,
contact your dealer.
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Do not use force on switches, controls or connection wires.
When moving the unit, first disconnect the power plug and
the wires connected to other equipment. Never pull the wire
itself.
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Be sure to read the “TROUBLESHOOTING” section
regarding common operating errors before concluding that
the unit is faulty.
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When not planning to use this unit for long periods of time
(ie., vacation, etc.), disconnect the AC power plug from the
wall outlet.
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To prevent lightning damage, disconnect the AC power plug
when there is an electrical storm.
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Since this unit has a built-in power amplifier, heat will radiate
from the rear panel. Therefore, place the unit apart from the
walls, allowing a space of at least 20 cm (7-7/8”) above,
behind and on the both sides of the unit. Also, do not
position with the rear panel facing down on the floor or other
surface.
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Super-bass frequencies reproduced by this unit may cause
a turntable to generate a howling sound. In such a case,
move this unit away from the turntable.
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If you hear distortion (i.e., unnatural, intermittent “rapping” or
“hammering” sounds) coming from this unit, reduce the
volume level. Extremely loud playing of a movie
soundtrack’s low frequency, bass-heavy sounds or similarly
loud popular music passages can damage this speaker
system.
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This unit has a port called “air woofer” which is for
reproducing a super-bass sound.
Be careful not to put a hand or some objects into the port,
otherwise it may give you an electric shock or give this unit
a damage, or cause a fire.
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Voltage Selector (General Model only)
The voltage selector on the rear panel of this unit must
be set for your local main voltage BEFORE plugging
into the AC main supply.
Voltages are AC 110/120/220/240V, 50/60 Hz.
This unit is not disconnected from the AC power source as
long as it is connected to the wall outlet, even if this unit
itself is turned off.
In this state, this unit is designed to consume a very small
quantity of power.
WARNING
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO
NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.
CAUTION: READ THIS BEFORE OPERATING YOUR UNIT.
