| User’s M anual   M odel   SW 10 ll SW 12   Powered Subwoofer   Thank you foryourpurchase ofthe NHT   SW 10llorSW 12poweredsubwoofer.   istorememberthatlow frequenciesproducesoundswith   long wavelengths,which interactin complexwayswith   room boundaries,such a walls and corners,and other   largeobjectsaswell.   Like allNHT loudspeakers,the SW 10 lland SW 12's   developmenthas been guided by the study ofhuman   hearing,it’sdesignrigorouslytested,anditscomponents   optimizedto deliverclean,clearmusicalsound.   Placingthesubwooferneartoaroom boundarywilltend   to increase its apparentbass output,butmayresultin   "boomy"or"muddy"sound.Conversely,placingitfarther   away from room boundaries willtend to decrease its   apparent bass output, but may result in improved   articulationandclarity.   Since the quality ofyourspeakers is one ofthe most   importantfactorsinmaximizingthesoundyou'llgetfrom   yourmusic and home theatersystem,we're sure that   you'llfind yourpurchase ofthe SW 10 lland SW 12 a   goodinvestment,andinviteyourcomments.   W hen possible, place the subwoofer in the same   horizontalplane and along the same wallas the main   speakers.   Ifyou find yourexperience with the SW 10 lland SW 12   assatisfyingaswebelieveyouwill,andwishtoenjoyits   highqualitysoundthroughyourentiresystem,you'llfind   information aboutothersonically matched NHT Super   Seriesloudspeakersonthebackofthismanual.   Andsincesmallchangesinsubwooferpositioncanhave   a significanteffecton sound,experimenting with the   effectsofdifferentplacementsinyourownlistening/view-   ingroom isthekeytofindingthesoundyoulike best.   Background   SW 10llandSW 12Features& Controls   The NHT SW 10 lland SW 12 Powered Subwooferis a   compact,versatile and powerfulamplified subwoofer   designedtoprovidelow frequencyreinforcementforhigh   performanceaudioandhometheatersystems.   Volume:Thiscontrolallowsyoutoadjustthegainofthe   Subwooferrelative totherestofyoursystem. Manylis-   tenersmakethemistakeofsettingsubwooferstooloud,   which can cause excess bloatand loss ofdetailand   musicality.Aproperlycalibratedsubwooferblendsinwith   the speakers and does notcallattention to itself. To   properlysetvolume:   TheSW 10llandSW 12features:   •line-levelandspeaker-levelinputs,for connectionwith   alltypesofreceiversorotheraudio components   •TurndownthevolumecontrolontheSW 10llorSW12   toitslowestposition(counter-clockwise).   •independentgain,phaseandlow passfiltercontrols   • Turn on youraudio system,including the SW 10 llor   SW 12.Playsome music you are familiarwith and set   yourreceiver/preamplifiervolume to a comfortable lis-   teninglevel.   •boundarycontrolforadjustingsystem soundforvarious   room placement   Please take a few minutesto read through thisowner's   manualbeforesettingupyourspeakers;thisinformation   willhelpyougetthemostoutofthem.Also,pleasekeep   the SW 10 llorSw12’s packaging to use in case you   moveor transportthem.   •SlowlyincreasethevolumeoftheSW 10llorSW 12,lis-   tening forproperfrequency balance.W hen balanced,   youwillhearimprovedbassextension,butnotbeaware   thatitis comingfrom thesubwoofer.   Ifyou have questionsatanytime during setup oruse,   feel free to callyour NHT dealer or our Toll-Free   CustomerHotlineat1-800-NHT-9993.   From this point on, the volume control on your   receiver/preamplifierwillcontrolthe overallvolume of   yoursystem,includingthesubwoofer.   The Boundary EQ:This is a feature unique to NHT   Evolution products. Reflective boundaries (such as   walls)reinforce a speaker’s bass output(3dB fortwo   walls,6dB fora corner)ifthe subwooferis placed near   them. Conversely,placingasubwooferoutintheroom   resultsinarelativedecreaseinbassoutput. Boundary   reinforcementmaylead to low frequencyresponse that   Placement   Note:To preventthe SW 10 lland SW 12 subwoofer   amplifierfrom overheating,always be sure to provide   adequatespaceforproperventilation.Donotplacethe   subwoofer directlyagainstthewalloranyothersurface.   Thekeytoplacingyoursubwooferforoptimalenjoyment   is uneven. Som e frequencies willsound exaggerated   relative to others,orthe subwooferwillsound thin and   lack impact. The Boundary EQ controlallows you to   compensate forthe effects ofroom boundaries on the   frequencyresponse   Two tipsonusingtheLow PassFilter:   Asastarting point,setLow PassFilterto the 1 o’clock   position.Thiswillresultinan80Hzlow pass.Astheset-   ting is typicalformostDolbyDigital/DTS applications.   Note:TheLFE inputbypassestheadjustable12dB Low   PassFilter.   ofthe subwoofer. Adjusting the controlenablesyou to   achieve smooth low frequency outputfrom the sub-   wooferregardlessofitslocationinyourroom.   See the Fine-Tuning section for further adjustment   guidelines.   ThefollowingdiagramsshowninFig.1show thecorre-   lationbetweensubwooferplacementandBoundaryEQ.   These diagrams are guidelines only. Your room   acousticsand personaltasteswillultimately dictate the   finalsetting.   SUBWOOFER PHASE: This switch sets the phase of   thesubwooferateitherthe0°position(normalphase)or   the 180° position (reverse phase) to achieve the   smoothestpossiblebassresponseinyoursystem.   Thisphase-reversingoptionisimportantbecauseifbass   frequenciescomefrom boththesubwooferandthemain   speakers,peaksanddipsinthefrequencyresponsecan   occuratthelisteningposition.Inthesecases,reversing   thesubwooferphasecanimproveblendingandbalance.   Fig.1   Boundary   +3dB   Half   0 Space   -3dB   To properlysettheSubwooferPhase:   •Playfamiliarmusic,reversingphasesettings.Andlisten   from yourusualposition.   •Avoidevaluatingwhilestandingabovethesubwooferor   amplifier; sound at the listening position willbe   significantlydifferent.   Boundary   Quarter/   Half   Space   +3dB   0 -3dB   •Thecorrectsettingistheoneinwhich thebassisthe   loudestatthelisteningposition.   POWER MODE: This feature automatically switches   yourSW 10 llorSW 12 into minimum-powermode (ie,   sleep)wheneverno signalis presentfor20 minutes.   W henasignalisreceived,itimmediatelyturnsonagain.   AsAUTOMode isautomatic,itrequiresno adjustment,   noristhereaneedtoturntheSW 10llorSW 12onand   offevery time itis used.W hen in ON Mode,the sub-   wooferisalwayson.   Boundary   Half/   Whole   Space   +3dB   0 -3dB   LOW PASS FILTER:Thiscontroldeterminestheupper-   limit frequency the subwoofer willreproduce. For   example, setting the filter at 100Hz willcause the   subwooferto reproduce only frequenciesbelow 100Hz.   The Low Pass Filteris continuously variable between   40Hz (low bass) and 180Hz (upper bass), to   accommodatedifferentspeakers.   9 8 7 4 ConnectingTheSW 10IIOR SW12   3 5 Line   Input   LFE   Low Pass   Filter   Volume   I n L Caution:Before connecting the SW 10IIOR SW 12 to   youraudio system,itisimportanttounplugorturnoff   allAC power connections to connected components   such asreceivers,amplifiers,preamplifiers,andproces-   sors. Do notplug in orconnectthe SW 10IIOR SW12   subwoofertoAC poweruntilallconnectionshavebeen   made.   Out   R 40Hz   180Hz   Min   Max   Power   Mode   Hi Level Input   Phase Boundary   +3dB   On   180   0 0 Auto   -3dB   + L - - R + 6 1 2 Green   - On   Standby   Protect   Amber   - Red   On   - 10   11   Power   Off   Powered   Subwoofer   IntegratingtheSW 10IIorSW 12intoyoursurroundsys-   tem is simple and straightforward when using this con-   nection method. Your AV Receiver willcontrolall   crossoverfunctionsandtheSW 10IIorSW 12willcontrol   Subwoofergain,phaseandboundaryequalization.   T3.0AL 250V   For 115   V Input Voltage   115   T2.0AL 250V   For 230V   115V 60Hz   230V 50Hz~   300W   / 12   CAUTION: FOR CONTINUED PROTECTION AGAINST   FIRE, REPLACE ONLY WITH SAME TYPE 250V FUSE   WARNING:   TO REDUCE THE RISK OF FIRE OR ELECTRIC   SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.   CONFORMS TO   ULSTD.6500   CAUTION   RISK OF ELECTRIC SHOCK   DO NOT OPEN   CERTIFIED TO   CAN/CSA   STD.E60065   2001228   WARNING: SHOCK HAZARD-DO NOT OPEN.   AVIS: RISQUE DE CHOC ELECTRIQUE-NE PAS OUVRIR.   ConnecttheSubwoofer/LFEOutputonyourAVReceiver   13   totheLFE IN onthebackoftheSW 10IIorSW 12.(Fig.   2)   BackofSubwoofer(refertodiagram above)   Main Speakers   Reciever   (1)PowerMode-LeavesSubwooferinpermanantlyon   (ON),orputsthesubwooferinautomaticstandbymode   (AUTO).   SPEAKER OUTPUTS   LFE   / Sub   L R + (2)PowerIndicator-The lightis green when the sub-   wooferison.Thelightisamberwhenthesubwooferisin   stand-bymode.Thelightisredwhenthesubwooferisin   protection.   SW10 / SW12   Back of Subwoofer   (3)VolumeControl-Adjusts the loudnessofthe sub-   wooferindependentlyofthemainspeakers.   Line   Input   LFE   Low Pass   Filter   Volume   I n L (4)Low-Pass Filter-Continuously variable low-pass   crossovercontrol.   Out   R 40Hz   180Hz   Min   Max   Power   Mode   Hi Level Input   Phase Boundary   +3dB   On   180   0 0 Auto   -3dB   Fig.2   + L - - R + (5)BoundarySwitch -Selects response mode ofsub-   woofer,dependingonplacement.   (6)SubwooferPhase Selector-2-position selectable   phasecontrolforsubwoofer.(0-180)   In the eventyourreceiverorpre-amp doesnothave a   LFE orSubwooferoutputthe SW 10II/SW 12 has two   additionalconnectionmethods:   (7)LineInput-Low levelRCAinputjacksforL/R signals   (8)LFEIn/Out-Low levelRCAinputjackforLFEorsub-   woofersignal.Outisan unbuffered passthrough used   formultiplesubwoofers.   1)LineLevel   Useif:   (9)HiLevelInput-Speakerlevelinputconnector.   (10)PowerSwitch -Turnstheunitonandoff   (11)FuseHolder-locationoftheuserservicablefuse   YouhaveanamporreceiverwithPre-Outjacksbutno   LFE/Subwooferjacks.   To connectfora Line Levelsignal(Fig.3),keep your   main speakers connected as usual,butuse RCA line-   levelcablestoconnectasfollows:   (12)PowerInlet-ForuniversalAC lineinputconnection   (13)InputVoltage Switch -Selects 115 VAC or230   VAC mainsvoltage.   • PreampswithLineOutjacks:connectonepairofLine   OutcablestoyourmainamptopoweryourmainL& R   speakers,and a second pairto the SW 10IIOR SW12   LINELEVELINPUT.Ifyourpreamphasonlyonepairof   Line Outjacks,you can use a pairof"Y"connector   cords,availablethroughyourNHTdealer.   component's speaker outputterminals to the L & R   speakers,and a second pairfrom the same outputter-   minalstotheSW 10IIOR SW 12'sHigh-Levelinput.The   SW 10IIOR SW 12'sinputdoesnotpresentasignificant   loadtothereceiver,andwillnotcompromiseitsoutputto   theL&R speakers. Ifyoufindthatyourreceiverwillnot   accommodatemorethanonecableperoutputterminal,   check with yourNHT dealerforalternative methods of   connection.   Main Speakers   Reciever   SPEAKER OUTPUTS   Pre Out   L R L + R Main Speakers   Reciever   SPEAKER OUTPUT   LEFT   SPEAKER OUTPUT   RIGHT   + + SW10 / SW12   Back of Subwoofer   Line   Input   LFE   Low Pass   Filter   Volume   I n L SW10 / SW12   Back of Subwoofer   Out   R 40Hz   180Hz   Min   Max   Power   Mode   Hi Level Input   Phase Boundary   +3dB   On   180   0 0 Auto   -3dB   Fig.3   Line   Input   + L - - R + LFE   Low Pass   Filter   Volume   I n L Out   R 40Hz   180Hz   Min   Max   Power   Mode   Hi Level Input   Phase Boundary   +3dB   On   180   0 • Amps and receivers with Pre-Outjacks:connectthe   SW 10IIOR SW 12from thePre-OutintotheSW 10IIOR   SW 12'sLineInput.   0 Auto   -3dB   Fig.4   + L - - R + 2)Hi-Level   Useif:   With allsignalconnections complete,itis now time to   apply AC power.Plug the powerchord into the power   inletinthebackofthesubwoofer,plugtheotherendinto   into the walloutletand switch the subwooferspowerto   theON position.   Yourreceiverhas no Pre OutorSubwoofer/LFE Out   jacks   ToconnectforaHigh-Levelsignal(Fig.4),usetwoaddi-   tionalpairsofspeakercables,andconnectasfollows:   • ForampsandreceiverswithseparateA andB speak-   eroutputs,connectonepairofspeakercablesfrom your   receiver'sSpeakerA outputstoyourmainL& R speak-   ers,and a second pairfrom yourreceiver'sSpeakerB   outputstotheSW 10IIOR SW 12'sHigh-LevelInput.Use   thismethodonlyifbothA&Bspeakeroutputscanoper-   atesimultaneously.   • Forampsand receivers with onlyone setofspeaker   outputterminals,simplyfeedthesamesignal,inparallel,   to both yourmain L & R speakersand the SW 10IIOR   SW 12. Connectonepairofspeakercablesfrom your   The frequencychartbelow lists some termscommonly   used to describe different bands of the frequency   spectrum. Listentoyoursystem andmakeadjustments   to achieve a seamless blend between your main   speakersandtheSW 10llorSW 12.Fourcommonprob-   lemsareoutlinedbelow.Follow theflow charttocorrect   these.Seetheglossaryforanytermsyouareunfamiliar   with.   FineTuningtheSubwoofer   The key to good subwoofer /speaker integration is   repeated listening,followed by making smallre-adjust-   ments ofthe subwoofercontrols.The mostimportant   basstuningfunctionsyouwillcontrolaretheLOW -PASS   FILTER,followed by the VOLUME CONTROL settings   andthenPHASE SELECTOR.   FrequencyChart   Low Bass MidBass UpperBass LowerMid Mid UpperMid   High   Below 50Hz   50Hz-100Hz   100Hz-180Hz   180Hz-300Hz 300Hz-700Hz   700Hz-3K   3K andabove   Fine Tuning Flow Chart   "Boomy"   Too Much   Mid / Upper   Bass   Lacks   Mid / Upper Bass:   Lean But With   Weight   Lacks   Low   Bass   Excessive   Low   Bass   Weight   Weight   Decrease   Boundary   EQ   Adjust   Subwoofer   Phase   Adjust   Subwoofer   Phase   Adjust   Subwoofer   Phase   0-90   (Continuously   Add)   0-90   (Continuously   Add)   Switch   0-180   Move   Subwoofer   Farther   FromWall   Increase   Boundary   EQ   Lower   Low Pass   X-Over   If this makes   it worse,   try   If the sound   improves   Raise   Low-Pass   Setting   Listen   Frequency   Move   Subwoofer   Closer to   Wall   Lower   Subwoofer   Volume   Adjust   Subwoofer   Volume   Adjust   Subwoofer   Volume   Listen   Adjust   Subwoofer   Phase   Listen   Listen   Listen   appropriatetype.   Operation   •reinstallthefuseholder   WerecommendthattheSW 10llorSW 12powerbeleft   on,whichwillallow thebuilt-inAutoModefeaturetodis-   ablethesubwooferwhennotinuse.   Always replace the fuse with one ofthe exactsame   specifications.   Everyspeaker,haslimits,andit'simportanttolistenfor   them.Speakerdamagemostoftenresultsnotfrom brief   loudmusicalpeaks,butfrom sustainedhighvolumelev-   SW 10ll:   Forsystemsoperatingat115volts,useonlya5x20mm,   T3A,250-voltslow-blow fuse.   els in some orallfrequencies. Forthis   reason,   extreme volume settingsand excessive bass,treble or   equalizerboostsarenotrecommended.   Forsystemsoperatingat230volts,useonlya5x20mm,   T2.0A,250-voltslow-blow fuse.   Ifyouhearunusualdistortionorbreakup,ornotice heat   coming from the woofer,decrease volume immediately,   neutralize any excess bass,treble orequalizerboosts,   andavoidsettinganycontrolstosimilarextremesagain.   SW 12:   Forsystemsoperatingat115volts,useonlya5x20mm,   T5A,250-voltslow-blow fuse.   Maintenance   Forsystemsoperatingat230volts,useonlya5x20mm,   T2.5A,250-voltslow-blow fuse.   YourSW 10llandSW 12isdesignedforyearsofusewith   noorminimalmaintenance,aslongasyouavoidexpos-   ing itto directsunlight,high temperatures,ormoisture.   Cleancabinets,whennecessary,usingadampclothor   a mild,non-abrasive cleaner;to clean grilles,remove   from speakerand use a softbrush ora vacuum on its   lowestsetting. Donotattempttocleantheactualdriv-   er.   Troubleshooting   Ifthe SW 10 llorSW 12 fails to operate atallwhen the   PowerSwitch isturnedon,thoroughlycheckthepower   cord,inputandoutputconnections   Ifthe SW 10 llorSW 12 turnson butthe LED indicator   failstoilluminate,mis-wiringorapowersurgemayhave   causedtheprotectionfusetoblow.Replaceitwithoneof   correcttypeandvalue.   9.8ChangingtheLineVoltageSetting   TheSW 10llandSW 12weredesignedtooperateontwo   linevoltagesettings,115VAC and230VAC.Intheevent   thatitis necessary to change the line voltage setting,   begin by turning the powerswitch to the offposition.   Removealltheconnectionsfrom theamplifier,including   the detachable powercord. Using a flatblade screw-   driver,slide the switch to the correctposition. Use the   115VAC position for110 to 120 VAC,and the 230VAC   positionfor220to240VAC. Nextyouwilllikelyneeda   powercordthatfitstheAC receptacleandyouwillneed   toreplacethefuse(see"ChangingtheFuse"below)   IftheSW 10llorSW 12turnsonbutitsstatusLED stays   red,the unitisgone into protectmode,which could be   caused by incorrectwiring,shortcircuits,orexcessive   volume.TurnoffthePowerSwitch onthesubwooferfor   two ormore seconds to reset,and double check all   speakercablestobesurethatnosmallmetalstrandsare   shortingtheterminals.   Ifthesestepsdon'trestoretheSW 10llorSW 12tooper-   ation,contactyourlocalAuthorizedNHTDealerorNHT   forassistance.   ChangingtheFuse   Satisfaction   TheSW 10llandSW 12amplifier'sfuseisuser-servicea-   ble.   Yoursatisfaction with yournew NHT SW 10 llorSW12   Subwooferisimportanttous. Pleasenotethematched   productsandaccessoriesweprovideforthem,andyour   warranty,printedonthebackofthismanual.Ifyouhave   anyquestionsregardingyourspeakers'use,feelfreeto   callNHT at1-800-NHT-9993. Enjoyyourlistening and   viewing!   To replaceit:   •turnthepowerOFF   •unplugthepowercord   •removethefuseholdercover(abovetothepowerinlet)   withaflatbladescrewdriver   •removethefusefrom theholderandreplaceitwiththe   the back ofa receiver,integrated amplifierorpower   amplifier.   Glossary   Active:Useselectricalpower.   Midrange:Thefrequencyspaninthemiddleoftheaudio   range,roughly180Hz-3000Hz. Alsousedtodescribe   thedriverthatreproducesthesefrequencies.   Ohm:Aunitofelectricalresistance.Thatwhichopposes   anelectriccurrentinaconductor.Inaudio,ameasureof   theloadpresentedbyadevice toanelectricalsource.   Out-of-Phase:The polarity ofan audio signalwhen   connectedasfollows:(+)to(-)and(-)to(+).   Passive:Usesnoelectricalpower.   Amplifier:An electronicdevice thatincreasesthe cur-   rentand/orvoltage ofa signal,providing powerto the   loudspeakers (i.e.poweramplifier,integrated amplifier,   receiver).   Bass:The range ofaudio frequencies below 180Hz,   characterizedbylow pitch.   Crossover:An electronic circuitthatdivides an audio   signalintodifferentfrequencyranges.   Distortion:Anydeviationfrom theoriginalsignal.   Driver:Themovingpartofaloudspeaker,whichradiates   soundenergy.   Phase:Anexpressionoftherelativepolaritiesoftwosig-   nals.   PowerHandling:Theabilityofaloudspeakertooperate   withoutlargeincreasesindistortionwhengivenvarying   amountsofinputpower.   Dynamics:Variationsinloudnessofsound.   Frequency:A rate ofvibration,which corresponds to   musicalpitch,expressedinHertz(Hz).   Preamplifier:An electronicdevice thatselects sources   andpassesline-levelsignalstoanamplifier.   Pre-Out:A preampline-levelRCA outputonthebackof   areceiver,integratedamplifierorpreamplifier.   Receiver:A preamplifier,amplifierand tunerbuiltinto   onechassis.   FullRange: A signalencompassing the entire audible   frequencyspectrum.   Hertz(Hz):Aunitequaltoonecyclepersecond,usedto   measurethefrequencyofasignalorsound.   High-PassFilter:A filterthatpassesonlyhighfrequen-   ciesabovealowerlimit.   Satellite:FrontL & R speakerswhen used with a sub-   woofer.Also referredtoas"m ainspeakers".   Sensitivity:A ratioofvoltageacrossthespeakerloadto   theacousticpoweroutput,measuredindecibels.   Sub Out:An line leveloutputforconnection to a sub-   wooferorsubwoofersignalprocessor.   Impedance:A measureofthetotaloppositiontocurrent   flow inanalternatingcurrentcircuit,measuredinohms.   InPhase:Thepolarityofanaudiosignalwhenconnect-   edasfollows:(+)to(+)and(-)to(-).   Integrated Amplifier:A preamplifierand amplifierbuilt   intoonechassis.   Subwoofer:A driverdesigned to operate overthe low   bassportionoftheaudiorange.Alsoreferstoasystem   consistingofawooferanditsenclosure,whicharephys-   icallyseparatefrom theupperrangeloudspeakers.   Surround Speakers:Speakers located in the side or   rearforsurroundchanneleffects.   InterconnectCable:A lengthofshieldedwirewithplugs   atboth ends forfeeding signals from one electronic   device toanother.   L.F.E.:"Low FrequencyEffects";The.1channelofinfor-   mationrecordedonmostmultichanneldigitalsoundfor-   mats.   Treble:Theupperpartofthefrequencyspectrum,con-   sistingoffrequenciesaboveabout3000Hz.   Tweeter:A smalldriverdesignedtoreproducehighfre-   quencies.   Line-LevelConnection:Low levelRCA/phono orXLR   typeconnection.   Load:A term used to describe the impedance thata   speakerpresentstoanamplifier.   Watt:A measureofelectricalpower,combiningthevolt-   agewiththeelectricalcurrentrequiredtodrive theloud-   speaker.   Low-Pass Filter:A filterthatpasses only low frequen-   ciesbelow ahigherlimit.   Main Speakers:FrontL & R channelspeakers,some-   timesreferredtoassatellites.   Weight:Low frequenciesbelow 50Hz.   Woofer:A driverdesignedtooperateoverthebasspor-   tionoftheaudiorange.   Main-In:A line-levelRCA/XLR poweramplifierinputon   S p e c if ic a t io n s   AllSuperSeriesproductsaresonicallymatchedforseamlessintegrationintomultichannelsystems.   SuperSeries   SB1   SB2   SB3   ST4   SC1   SW10   SW12   SC2   Vented/   Powered-150watts   ClassG Amplifier   Vented/   Powered-250watts   ClassG Amplifier   System Type   2-WayAcoustic   Suspension   2-WayAcoustic   Suspension   2-WayAcoustic   Suspension   3-WayAcoustic   Suspension   2-WayAcoustic   Suspension   2-WayAcoustic   Suspension   DriverComplement   Tweeter-   1”fluid cooled aluminum dome tweeterwith neodymium magnetstructure   W oofer-   5.25”   Polypropylene   6.5”   Polypropylene   6.5”   Polypropylene   6.5”and8”   Polypropylene   (8”NotVideoShielded)   (2)4.5”   Polypropylene   10”   Aluminum   (NotVideoShielded)   12”   Aluminum   (NotVideoShielded)   (2)5.25”   Polypropylene   Video ShieldedUnlessNoted   Response   68Hz-22kHz   +/-3dB   51Hz-22kHz   +/-3dB   39Hz-22kHz   +/-3dB   31Hz-22kHz   +/-3dB   78Hz-22kHz   +/-3dB   31Hz-180Hz   +/-3dB   73Hz-22kHz   +/-3dB   27Hz-180Hz   +/-3dB   Sensitivity   Impedance   86dB /2.83v   86dB /2.83v   86dB /2.83v   86dB /2.83v   86dB /2.83v   87dB /2.83v   8ohm nominal   8ohm nominal   8ohm nominal   8ohm nominal   8ohm nominal   8ohm nominal   Recommended   AmplifierPower   Minimum 15watts   Minimum 15watts   Minimum 15watts   Maximum 150watts   Minimum 15watts   Maximum 125watts   Minimum 15watts   Maximum 150watts   Minimum 15watts   Maximum 175watts   Maximum 175watts Maximum 200watts   Weight   8lbs.   13lbs.   16lbs.   47.5lbs.   11 lbs.   39.5lbs.   47.5lbs.   22lbs.   Dimensions   8.75x7.5x11.85   10x8x13   12x8x38   6.63x16.54x5.63   14x12x18   6.75x6.25x10.25   16x14x20   8.5x19x6.5   Depth”xWidth”xHeight”   Finish   WhiteorBlack   HighGlossPiano   Finish   WhiteorBlack   HighGlossPiano   Finish   Black   HighGlossPiano   Finish   Black   HighGlossPiano   Finish   Black   HighGlossPiano   Finish   Black   HighGlossPiano   Finish   Black   HighGlossPiano   Finish   Black   HighGlossPiano   Finish   Limited W arranty   ValidOnlyintheU.S.A.   W arrantyPeriod   Foraperiodof5yearsforpartsand5yearsforlabor(1yearpartsand90dayslaborforelectronics)from thedatethisproductisfirstpurchasedfrom anauthor-   izedNHTdealer,Now HearThis(NHT)warrantsthatifitfailstofunctionproperlyduetoamanufacturingdefect,despiteitsbeinginstalledandoperatedaccord-   ingtotheseinstructionsandusedundernormalconditions,itwillbeeitherreplacedorrepairedwithnew orrebuiltparts(bothatNHT'soption)withaunitof   comparablevaluewithoutchargetoyou.   What'sNotCovered   Altered,defaced orremoved serialnumbersvoidthisw arranty.   Thiswarrantydoesnotcoveranyproductusedintrade,business,industrialorcommercialapplications.   This warranty also doesnotcoverthe cabinetorappearance factors,orcosts,defects ordamage resulting from misuse,abuse,accident,impropermainte-   nance,alterationsormodificationsnotauthorizedinwritingbyNHT,or partsorlaborfrom anysource otherthananauthorizedNHTservice location.   Damageduetopowerexposureinexcessofthespeaker'spublishedpowerratings;ie,overpowering,lightningorpowersurges,arealso notcovered.   YourRights   Thiswarrantygivesyouspecificlegalrights,andyoumayhaveotherrightswhich varyfrom statetostate.   NHTlimitsthiswarrantytothepurchaseprice oftheproduct,excludesincidentalorconsequentialdamages,andlimitsitsobligationsunderanyimpliedwar-   rantiesunderstatelawstoaperiodnotexceedingtheirwarrantyperiods. As some statesdonotallow theabovelimitations,however,theymaynotapplyto   you.   To ObtainService   To findthenameandaddressofthenearestauthorizedNHTservice location,callorwrite:   CustomerServiceDepartment,NHT,527StoneRd.,Benicia,CA 94510,1-800-NHT-9993(648-9993),www.nhthifi.com   Foryourfutureconvenience,pleasekeep thisw arrantywithyoursalesreceipt,andrecord dateandplaceofpurchaseforfurtherreference.   |