Yamaha NS-F901 Owner's manual

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English

iEn

Read this before using the speakers.

• Toassurethenestperformance,pleasereadthismanual

carefully.Keepitinasafeplaceforfuturereference.

• 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).Topreventre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theywillbeexposedto

directsunlightorexcessivehumidity.

• Donotplacethefollowingobjectsonthespeakers:

 Glass,china,etc.

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

causepersonalinjury.

 Aburningcandleetc.

Ifthecandlefallsbyvibrations,itmaycausereand

personalinjury.

 Avesselwithwaterinit

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

causedamagetothespeakers,and/oryoumayget

anelectricshock.

• Donotplacethespeakerswhereforeignobjectssuchas

waterdripsmightfall.Itmightcauseare,damagetothe

speakers,and/orpersonal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.

PRECAUTIONS

• Placingthespeakers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frontofthespeakerasthismightcausepersonal

injuryand/ordamagetothespeaker.

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

causepersonalinjuryand/ordamagetothespeaker.

• Anytimeyounotedistortion,reducethevolumecontrol

onyourampliertoalowersetting.Neverallowyour

ampliertobedriveninto“clipping”.Otherwisethe

speakersmaybedamaged.

• Whenusinganamplier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.

• Donotattempttocleanthespeakerswithchemical

solventsasthismightdamagethenish.Useaclean,

drycloth.

• Donotattempttomodifyorxthespeakers.Contact

qualiedYAMAHAservicepersonnelwhenanyservice

isneeded.Thecabinetshouldneverbeopenedforany

reasons.

• Asthisunitisheavy,wheneveritismoved,twopeople

arerequiredtotransportitsafely.

• Secure placement or installation is the owner’s

responsibility.

YAMAHA shall not be liable for any accident caused

by improper placement or installation of speakers.

FEATURES

• Type: 3-way, 4-speaker bass-reﬂex ﬂoor standing tower speaker for main channels.

• Woofer: Dual 16 cm A-PMD cone, Midrange: 13 cm A-PMD cone, Tweeter: 3 cm Aluminum dome.

Taking care of the speaker

Tomaintainthespotlessglossysurfaceofthe

polishednish,wipeitwithasoft,drycloth.To

avoiddamagetothenish,donotapplychemical

solvents,suchasalcohol,benzine,thinner,

insecticide,etc.Also,donotuseadampcloth,or

anytypeofcloththatcontainschemicalsolvents,or

placeaplasticorvinylsheetontopofthespeaker.

Otherwise,thenishmaypeel,thecolormayfade,

orthesheetmaysticktothesurface.

1En

■ Using as 2ch stereo speakers

Betterstereoimageswillbeobtainedwhenthespeakers

areslightlyangledintowardsthelisteners.

PLACING THE SPEAKERS

■ Using as front speakers in a multi channel

system

PositionthespeakersonbothsidesoftheTV.Theposition-

ingofspeakersisimportant,becauseitcontrolsthewhole

soundqualityofamultichannelsystem.Setupthespeak-

ersonthebasisofyourlisteningpositionbyfollowingthe

owner’smanualsuppliedwithyouramplier.

PRECAUTIONS WHEN POSITIONING

Thespeakerisconstructedwiththemajorityoftheweight

locatedinitsupperportion,andisthussusceptibletofall-

ing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oor).

• 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.

• Donotremovethestandsattachedtothebottomof

thespeakerasthismightcausetheseriousaccidents,

resultingfromfallingover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ttingsorchains,etc.).

Notes

• Be sure to have another person support it.

• Pay extra attention to avoid scratching the

speaker’s surface.

• 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.

• To avoid accidents resulting from tripping over

loose speaker cables, affix them to the oor.

• Placing the speakers too close to a CRT-type TV

may impair the picture color or cause a buzzing

noise. In this case, move the speakers at least

20 cm (8”) away from the TV. This is not an issue

with LCD and plasma TVs.

Subwoofer

Center

NS-F901

Surround

English

2En

Note

The grille is detached from the speaker and packed

separately.

Be careful not to lose it.

SUPPLIED ACCESSORY

Nut x 4

Spike x 4

Attaching the spikes

Atthetimeofshipment,legsareattachedtothespeaker.Whenyouusethesuppliedspikes,pleaseremovethelegs

rst.

Ifyouaresettingupthespeakeronathickcarpet,youcanreplacethelegswiththespikestoincreasestabilityand

improvesoundquality.Removethelegsbyturningthem,thenfollowthestepsbelow:

1 Laythespeakerontheoor.

 Useablanketorcushiontoavoidscratches.

2 Screweachspikeintoaspikenutsothatthenutwillstaynear

thetipofthespike.

3 Removethelegsandscrewthespikesintotheholesonthe

bottomofthespeaker.

4 Placethespeakerinthedesiredlocationinanuprightposition.

Ifnecessary,adjustthelengthofthespiketomatchthedepth

ofthecarpetbyrepeatingtheabove-mentionedsteps.

5 Whenthelengthadjustmentiscomplete,rmlytightenthe

spikenuttothebaseonthebottomofthespeaker.

Notes

• Be sure to have another person support it.

• The tips of the spikes may scratch or damage the ooring.

Please be careful when positioning the speakers.

• The tips of the spikes are sharp. When you adjust the

protruding length of the spikes, be careful not to injure

your ngers.

Thelegsfeatureanadjustmentfunctionthatenablesyouto

ne-tunethespeakerheight.Ifthespeakerrattlesontheoor,

adjustthelengthofthelegsbyturningthem.Donotloosenthe

legstoomuch.Otherwise,theymaycomeoff.

Spike nut

Spike

Loosen

(higher)

Leg

Tighten

(lower)

3En

SPEAKERS

A

B

L

R

+

–

CONNECTIONS TO YOUR AMPLIFIER

Amplier

NS-F901 (L)

This speaker system is capable of standard connections and bi-wired connections. Before making

connections, make sure that the amplier is switched off.

■ CONNECTIONS

Youneedacommerciallyavailablespeakercable.

y

Thesizeand/ormaterialofaspeakercableaffectsonthe

soundquality.Therefore,werecommendyoutopurchase

ahigh-qualityspeakercabletoexerttheperformanceof

thisunit.

Notes

• Connect the (+) terminals on the amplier 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 (L) terminals of

your amplier, and another speaker to the right (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.

• When using an amplier 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.

• The speaker may be damaged if certain sounds

are continuously output at high volume level.

For example, if sine waves from a test disc, bass

sounds from electronic instruments, etc., are

continuously output, or when the stylus of a

turntable touches the surface of a disc, reduce the

volume level to prevent the speaker from being

damaged.

• Please refer to the owner’s manual that came with

your amplier or receiver.

How to connect the cables:

1 Loosentheknob.

2 Remove15mm(5/8”)ofinsulationfromeachendof

thecables,andtwisttheexposedconductorstogether

neatlyandtightly,asshownbelow.

15 mm

(5/8")

3 Insertthebarewireintothehole.

4 Tightentheknobandsecurethecables.

5 Testthermnessoftheconnectionbypullinglightlyon

thecablesattheterminal.

Notes

• Do not let the bare speaker wires touch each other

as this could damage the speaker or the amplier,

or both of them.

• Do not insert the insulation coating into the hole.

The sound may not be produced.

Jumper cable

Leave the jumper

cables in place

when connecting.

NS-F901 (R)

Speakers

terminals of

the amplier

Loosen

Tighten

Insulation coating Bare wire

English

4En

SPEAKERS

L

R

++––

SPEAKERS

L

R

++– –

A

B

When using a banana plug

1

Tightentheterminalknob.

2 Simplyinsertthebananaplugintotheterminal.

Remove the jumper

cables before connecting.

Toconnectthespeakertothe

outputterminalsoftheamplier,

twopairsofcablesforeachofthe

wooferandthetweeter/mid-range

areusedinsteadofstandardcon-

nections.Thistypeofconnection

decreasesthemodulationdistortion

causedbyelectricresistanceof

thecablesanddrivingcurrentof

thespeakers.Consequently,purer

soundqualitycanbeexpected.

Toutilizebi-wiredconnections,

removethejumpercablesfromthe

terminalsrst,andthenconnectthe

wooferandthetweeter/mid-range

totheamplierseparatelyusing

twopairsofcables.

<Bi-wired connections>

Remove the jumper

cables before connecting.

Amplier

Woofer terminals

Tweeter/Mid-range

terminals

Amplier

NS-F901 (L)

NS-F901 (R)

NS-F901 (L)

NS-F901 (R)

BothSPEAKERS AandB

shouldbeselected.

Black (–)

Red (+)

Jumper

cable

When your amplier has only one

set of speaker output terminals.

When your amplier has two sets

of speaker output terminals.

1

2

Banana plug

5En

Thespeakerandthegrillearepackedseparately.

Toattachthegrille,lineupthesixsalients(magnet)onthe

reversesideofthegrillewiththesixcorrespondingpegs.

Notes

• When the grille is not attached, take care not to

touch the speaker units with your hands or to

exert excessive force with tools.

• There are magnets on the reverse side of the grille.

Do not place the grille close to objects that might

be affected by magnets, such as TVs, clocks,

magnetic cards, diskettes etc. when you don’t use

it.

SPECIFICATIONS

Type...........................................................3wayBassReex

nonmagneticshieldingtype

Driver....................................16cm(6-1/2”)conewooferx2

13cm(5”)conemidrange

3cm(1”)aluminumdometweeter

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

FrequencyResponse....................32Hzto50kHz(–10dB)

to100kHz(–30dB)

NominalInputPower.....................................................50W

MaximumInputPower.................................................200W

Sensitivity...................................................... 89dB/2.83V/m

CrossoverFrequency...................................450Hz,3.5kHz

Dimensions(WxHxD)

Includingstands..............................270x1060x425mm

(10-5/8”x41-3/4”x16-3/4”)

Weight......................................................30.7kg(67.7lbs.)

• Specicationssubjecttochangewithoutnoticedueto

productimprovements.

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

valuesnotedabove.

ATTACHING THE GRILLE

English

Information for Users on Collection and Disposal of Old Equipment

This symbol on the products, packaging, and/or accompanying documents means that used electrical and

electronic products should not be mixed with general household waste.

For proper treatment, recovery and recycling of old products, please take them to applicable collection points,

in accordance with your national legislation and the Directives 2002/96/EC.

By disposing of these products correctly, you will help to save valuable resources and prevent any potential

negative effects on human health and the environment which could otherwise arise from inappropriate waste

handling.

For more information about collection and recycling of old products, please contact your local municipality,

your waste disposal service or the point of sale where you purchased the items.

[Information on Disposal in other Countries outside the European Union]

This symbol is only valid in the European Union. If you wish to discard these items, please contact your local

authorities or dealer and ask for the correct method of disposal.

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Yamaha NS-F901 Owner's manual

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