Yamaha NS-P400 Owner's Manual download pdf (Page 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.

●

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.

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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.

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Yamaha NS-P400 Owner's Manual Page 4

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