Yamaha NS-7900 Manual

Yamaha Højttaler NS-7900

Læs gratis den danske manual til Yamaha NS-7900 (2 sider) i kategorien Højttaler. Denne vejledning er vurderet som hjælpsom af 25 personer og har en gennemsnitlig bedømmelse på 4.5 stjerner ud af 13 anmeldelser. Har du et spørgsmål om Yamaha NS-7900, eller vil du spørge andre brugere om produktet?

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Side 1/2

Thank you for choosing this YAMAHA speaker system.

Each speaker set consisting of the components shown on the table.

NS-6900/NS-7900/NS-P7900

Speaker System

OWNER’S MANUAL

■ Read this before using 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. To clean, wipe

with a dry, soft cloth.

• To prevent the enclosure from warping or discoloring, do

not place the speaker where it will be exposed to direct

sunlight or excessive humidity.

PRECAUTIONS

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.

PRECAUTIONS WHEN POSITIONING THE FRONT SPEAKERS

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.

• When the front cover is removed, take care not to touch

the speaker units with your hands or to exert excessive

force with tools.

• 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.

• 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 speaker.

• This speaker features a magnetically shielded design, but

there is still a chance that placing it too close to a TV set

might impair picture color. Should this happen, move the

speaker away from the TV set.

SUPPLIED ACCESSORIES

SETTING UP THE SPEAKER

Speaker cable (4m) x 1

■ 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.

Pad x 4Stand x 4 Tapping screw

(

4mm) x 8Speaker cable (4m) x 1

Fastener

x 2 Speaker cable (10m) x 2

Front speaker (NS-6900/NS-7900)

Center speaker (NS-C7900)

■ Using front speakers as 2ch stereo

speakers

Better stereo images will be obtained when the front

speakers are slightly angled in towards the listeners.

■ Using front/center/surround speakers in a

multi channel system

Position the front speakers on both sides of the TV. The

positioning of speakers is important, because it controls

the whole sound quality of a multi channel system. Set up

the speakers on the basis of your listening position by

following the owner’s manual supplied with your amplifier.

The following diagram shows the recommended speaker

layout.

NS-C7900

NS-E7900

NS-6900/

NS-7900

PLACING THE SPEAKER

Notes

• Do not place the speaker on top of the TV which area

is smaller than the bottom area of the speaker. If

placed, the speaker may drop out causing an injury

to you.

• Do not place the speaker on top of the TV with an

inclination.

• Do not touch the adhesive surface after peeling off

the seal as this will weaken its adhesive strength.

• Thoroughly wipe clean the surface where the

fastener is to be applied. Note that adhesive strength

is weakened if the surface is dirty, oily or wet and

that this may cause the center speaker to drop.

■ Mounting the surround speakers on the

wall

You can mount the surround speakers on the wall using

the holes of the brackets attached to the back of the

speakers.

1Fasten two screws into a firm wall or wall support at

the interval as shown below.

2Hang the speaker by mounting the holes on the

protruding screws.

* Make sure that the screws are securely affixed by the

narrow parts of the holes.

Wall/ wall

support

Tapping screw

(3.5–4 mm)

(Available at the

hardware store)

40 mm

Min.

20 mm

3 mm

WARNING:

• This speaker weighs 1.9 kg. Do not mount it on thin

plywood or a wall with soft surface material. If

mounted, the screws may come out of the flimsy

surface and the speaker may fall. This damages the

speaker or causes personal injury.

• Do not install the speaker to a wall with nails,

adhesives, or any other unstable hardware. Long-

term use and vibrations may cause it to fall.

• To avoid accidents resulting from tripping over loose

speaker cable, fix it to the wall.

■ Attaching the stand to the front speaker

When positioning the front speaker, be sure to attach the

supplied stand to the 8 specified holes located on the

bottom of the speaker to increase stability.

1Put the 4 mm tapping screws through the two holes on

the stand, and screw into the two holes on the bottom of

the speaker.

2When both screws are attached, tighten both of the

screws so that the stand is firmly in place.

3Attach the pads to the bottom of the end portion of the

stand.

4Attach the other stands in the same manner and confirm

that all 4 stands are firmly attached.

Note

• Be careful not to apply force to the side of the speaker,

otherwise the speaker may fall causing damage to the

speaker or personal injury.

Tapping screw

Pad

Stand

■ Placing the center speaker

When placing the speaker on top of the TV, be sure to

attach the supplied fasteners at two points on both

bottom of the speaker and top of the TV to prevent the

speaker from falling down.

Peel off

the seal

NS-E7900

NS-C7900

NS-6900/NS-7900

NS-6900/

NS-7900

NS-6900/

NS-7900

NS-6900

NS-7900

NS-P7900

x 1

x 2

Front speaker

Center speaker

Surround speaker

Surround speakers (NS-E7900)

Note:

These speakers feature a magnetically shielded design,

but there is still a chance that placing them too close to a

TV set might impair picture color or create a buzzing

noise. Should this happen, move the speaker away from

the TV set.

Printed in China NS-6900/7900/P7900-G

NS-C7900

NS-E7900

NS-6900/7900/P7900

3 4

CONNECTING TO YOUR AMPLIFIER

SPECIFICATIONS

1 Remove the cover by pulling it toward you.

2Tighten the terminal knob.

3Simply insert the banana plug into the terminal.

Banana plug

REMOVING THE FRONT COVER OF

THE FRONT SPEAKER

The front cover is fastened to the enclosure at six points and

can be removed if desired. To remove the cover, hold on to

both sides and slowly pull straight away from the speaker. To

reattach, line up the six holes on the speaker with the six

corresponding pegs on the inner surface of the cover and

push gently.

Note

When the cover is removed, take care not to touch the

speaker units with your hands or to exert excessive

force with tools.

■ NS-7900

Type...

2-way bass reflex speaker system, Magnetically shielded type

Driver.........................................................16 cm cone woofer x 2,

2.5 cm soft dome tweeter

Impedance 6 .................................................................................. Ω

Frequency Response 32 Hz to 25 kHz..........................................

Rated Input Power 50 W.................................................................

Maximum Input Power 180 W.........................................................

Sensitivity...............................................................88 dB/2.83 V/m

Crossover Frequency 2 kHz............................................................

Dimensions (W x H x D) 195 x 1020 x 345 mm...........................

Weight...................................................................................17.5 kg

■ NS-P7900

NS-C7900

Type......................2-way acoustic suspension speaker system,

Magnetically shielded type

Driver............................................................

8 cm cone woofer x 2,

2.5 cm balanced dome tweeter

Impedance 6 .................................................................................. Ω

Frequency Response 70 Hz to 30 kHz..........................................

Rated Input Power 25 W..................................................................

Maximum Input Power 100 W.........................................................

Sensitivity...............................................................88 dB/2.83 V/m

Crossover Frequency 12 kHz.........................................................

Dimensions (W x H x D) 395 x 130 x 150 mm............................

Weight.....................................................................................3.3 kg

NS-E7900

Type......................2-way acoustic suspension speaker system,

Magnetically shielded type

Driver...........................................................8 cm cone woofer x 1,

2.5 cm balanced dome tweeter

Impedance 6 .................................................................................. Ω

Frequency Response 70 Hz to 40 kHz..........................................

Rated Input Power 20 W..................................................................

Maximum Input Power 80 W............................................................

Sensitivity..............................................................85 dB/2.83 V/m

Crossover Frequency 13 kHz.........................................................

Dimensions (W x H x D) 130 x 217 x 150 mm..........................

Weight.....................................................................................1.9 kg

• Specifications subject to change without notice due to

product improvements.

• Care should be taken not to exceed the input power values

noted above.

■ Using a banana plug

CENTER

SURROUND

FRONT

Black (–)

Red (+)

Bare wire

NS-6900/NS-7900

LeftRight

Amplifier

NS-6900/NS-7900

Insulation coating

Loosen

Tighten

CENTER

SURROUND

FRONT

Black (–) Red (+)

Bare wire

NS-E7900

LeftRight

Amplifier

NS-C7900

Insulation

coating

Insert

Push

NS-E7900

Cover

■ NS-6900

Type...

2-way bass reflex speaker system, Magnetically shielded type

Driver.........................................................16 cm cone woofer x 1,

2.5 cm soft dome tweeter

Impedance 6 .................................................................................. Ω

Frequency Response 34 Hz to 25 kHz..........................................

Rated Input Power 40 W..................................................................

Maximum Input Power 150 W.........................................................

Sensitivity...............................................................87 dB/2.83 V/m

Crossover Frequency 4 kHz............................................................

Dimensions (W x H x D) 195 x 980 x 345 mm............................

Weight...................................................................................16.5 kg

NS-6900/NS-7900

■ Connections

• Connect the input terminals at the rear of the speakers to the speaker output terminals of the amplifier

with the speaker cable.

• Connect the (+) terminals on the amplifier and the speakers using one side of the cable. Connect the

(–) terminals on both components using the other side of the cable.

• Connect one speaker to the left (marked L) terminals of your amplifier, and another speaker to the right (marked R) terminals,

making sure not to reverse the polarity (+, –). If one speaker is connected with reversed polarity, the sound

will be unnatural and lack bass.

■ Connecting the front speaker ■ Connecting the center/surround speakers

YAMAHA ELECTRONICS CORPORATION, USA 6660 ORANGETHORPE AVE., BUENA PARK, CALIF. 90620, U.S.A.

YAMAHA CANADA MUSIC LTD. 135 MILNER AVE., SCARBOROUGH, ONTARIO M1S 3R1, CANADA

YAMAHA ELECTRONIK EUROPA G.m.b.H. SIEMENSSTR. 22-34, 25462 RELLINGEN BEI HAMBURG, GERMANY

YAMAHA ELECTRONIQUE FRANCE S.A. RUE AMBROISE CROIZAT BP70 CROISSY-BEAUBOURG 77312 MARNE-LA-VALLEE CEDEX02, FRANCE

YAMAHA ELECTRONICS (UK) LTD. YAMAHA HOUSE, 200 RICKMANSWORTH ROAD WATFORD, HERTS WD1 7JS, ENGLAND

YAMAHA SCANDINAVIA A.B. J A WETTERGRENS GATA 1, BOX 30053, 400 43 VSTRA FRLUNDA, SWEDEN

YAMAHA MUSIC AUSTRALIA PTY, LTD. 17-33 MARKET ST., SOUTH MELBOURNE, 3205 VIC., AUSTRALIA

Always turn off your amplifier before making any connections.

■ Before connecting

• Remove the insulation coating at extremity of each speaker cable by

twisting the coating off.

10-15 mm

Good No Good

How to connect:

1 Loosen the knob.

2 Insert the bare wire core of the speaker cable into the

hole on the terminal.

3 Tighten the knob to secure the wire.

How to connect:

1 Press and hold the terminal tab.

2 Insert the bare wire core.

3 Release your finger from the tab to allow it to

lock securely on the bare wire core.

4 Test the security of the connection by pulling

gently on the cable at the terminal.

Note:

• Do not let uninsulated bare wires touch each other as this could damage

the speaker or the amplifier.

• Securely twist the bare wires and lump them together to prevent them

causing a short circuit.

Produkt Specifikationer

Mærke:	Yamaha
Kategori:	Højttaler
Model:	NS-7900

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