Yamaha NS-777 Manual

Yamaha Højttaler NS-777

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Side 1/40

English

Thank you for selecting a YAMAHA speaker system.

Read these precautions carefully before using your

speakers.

• To assure the finest performance, please read this

manual carefully. Keep it in a safe place for future

reference.

• Install the speaker 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). To prevent fire or electrical

shock, do not expose the speaker to rain or water.

• To prevent the enclosure from warping or discoloring,

do not place the speaker where it will be exposed to

direct sunlight or excessive humidity.

• Do not place the following objects on the speaker:

Glass, china, small metallic, etc.

If glass etc. falls by vibrations and breaks, it may

cause bodily injury.

A burning candle etc.

If the candle falls by vibrations, it may cause fire and

bodily injury.

A vessel with water in it

If the vessel falls by vibrations and water spills, it may

cause damage to the speaker, and/or you may get an

electric shock.

• Do not place the speaker where foreign objects such as

water drips might fall. It might cause a fire, damage to

the speaker, and/or bodily injury.

• Do not place the speaker where it is liable to be knocked

over or struck by falling objects. Stable placement will

also ensure better sound performance.

• Placing the speaker on the same shelf or rack as the

turntable can result in feedback.

• Never put a hand or a foreign object into the port located

on the rear of the speaker as this might cause bodily

injury and/or damage to the speaker.

• When moving the speaker, do not hold the port as it

might cause bodily injury and/or damage to the speaker.

• 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

speaker may be damaged.

• When using an amplifier with a rated output power

higher than the nominal input power of the speaker, care

should be taken never to exceed the speaker’s maximum

input.

• Do not attempt to clean the speaker with chemical

solvents as this might damage the finish. Use a clean, dry

cloth.

• Do not attempt to modify or fix the speaker. Contact

qualified YAMAHA service personnel when any service

is needed. The cabinet should never be opened for any

reasons.

• Secure placement or installation is the owner’s

responsibility. YAMAHA shall not be liable for any

accident caused by improper placement or

installation of speaker.

The speaker is constructed with the majority of the weight

located in its upper portion, and is thus susceptible to

falling over if proper care is not taken to insure its stability.

If the speaker falls over, it may damage the speaker or be

the cause of injury (or even death) to persons and/or

damage to personal property.

For safe and proper use of the speaker:

• Position the speaker in a location that is solid, level,

smooth, and low (with respect to the floor).

• Do not push or apply pressure to the side of the speaker

when moving, or lean objects against the side of the

speaker.

• Do not sit on or set objects on top of the speaker.

Vibrations or jolts associated with earthquakes and other

phenomena or activities may cause the speaker to fall over.

For safety reasons, using commercially available products

that increase stability in the speaker is recommended

(metal fittings or chains, etc.).

Use the stands included with the speaker to

increase stability:

Be sure to use the stands regardless of where the speaker is

positioned. Attaching the stands included with the speaker

reinforces the base of the speaker not to fall over.

Please be cautioned that even though the stands are

connected, this does not guarantee that the speaker will not

fall over.

NS-777/NS-555 Speaker System

OWNER’S MANUAL

PRECAUTIONS

PRECAUTIONS WHEN

POSITIONING THE SPEAKERS

When placing the speakers, be sure to use the stands to

increase stability.

Note

The provided stands are in two types. Two stands are for the right

side and others are for the left side. Attach each stand to the proper

position on the bottom of the speaker by following the figure

below.

Use the 8 specified holes located on the base of the speaker.

Procedure:

1First, put the screw through the washer, then through

the inner hole of the stand, and screw it into the outside

hole of the speaker. Do not tighten too much at this

point.

2Put a screw through the outer hole on the stand, and

screw it into the other hole on the base of the speaker.

3Tighten both of the screws firmly.

4Attach a pad to the bottom of the end portion of the

stand.

5Attach the other stands to the other corners of the base

of the speaker in the same way and confirm that all 4

stands have been firmly attached.

Note

Be carefull not to apply force to the side of the speaker, otherwise

the speaker may fall causing damage to the speaker or personal

injury.

ATTACHING THE STANDS

(L) (R)

Stand (R x 2, L x 2)

Pad x 4 Washer x 4 Screw

(25mm) x 8

Back

(L)

(R)

(L)

Front

View from the bottom of the speaker

Outer hole

Inner hole

Produkt Specifikationer

Mærke:	Yamaha
Kategori:	Højttaler
Model:	NS-777
Type:	Gulvhøjttalere
Bredde:	276 mm
Dybde:	390 mm
Højde:	1100 mm
Vægt:	24400 g
Produktfarve:	Sort
Udgangseffekt (RMS):	100 W
Dimensioner (BxDxH):	276 x 390 x 1100 mm
Anbefalet brug:	Universel
Frekvensområde:	30 - 35000 Hz
Impedens:	6 ohm (Ω)
Forbindelsesteknologi:	Ledningsført
Højttaler, type:	3-vejs
Lyd-output kanaler:	- kanaler
Højttaler, placering:	Gulv
Diskanthøjttaler:	Ja
Peak Music-Udgangseffekt (PMPO):	250 W
Sensitivitet:	89 dB
Delefrekvens:	1000 Hz
Højttalere:	3-vejs
Bas indstillinger:	Ja
Diskant diameter:	25 mm
Bashøjttaler:	Ja
Woofer diameter:	200 mm
Satellithøjttalerimpedans:	6 ohm (Ω)
Drivercylinder, materiale:	Aluminium