NHT Car Speaker SW 10 User's Manual
Contents
1. U ser s M anua tL etta Sw LO sil Sw i2 gt P ow e read S ubw oo fe r MPORTANT SAFETY NSTRUCTONS n CAUTDN TO REDUCE RISK OF ELECTRIAL SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVILEABLE PARTS NSDE REFER TO QUALFED SERVICE PERSONNEL Gi The lightning fash w ih the anowhead sym bo w thn an equikteraltrangk is ntended to aErtthe userto the presence ofunnsuhted dangerous voltage w ihi the products encbsur thatm ay be of suffcentm agniude to constitute a risk ofeEctrio shock to persons M The exchm atbn pontw ihn an equiateraltrange is ntended to akrtthe userto the presence ofin portantoperatng and m antenance serving nstructions in the literature accom panyng the applance WARNING TO REDUCE THE RBK OF FRE OR ELECTRE SHOCK DO NOTEXPOSE THI APPLANCE TO RAN ORMOSTURE READ NSTRUCTDNS Allsafty and operatng nstwictons shoul be read before the appliance is operated RETAN NSTRUCTDNS Safty and operatng nsttuctbns shoud be retaned fr future reference HEED WARN NGS Allwamings on the applance and in operatng nstwctons shoul be adhered to FOLLOW NSTRUCTDNS Alloperatng and use nstuictions shoul be folbwed W ATER AND MO STURE The appliance shoud notbe used nearw ater nearbathtub washbow kichen sink Bundry tub n a wetbasem ent near a swin2. 11 Fuse Holder bcaton ofthe user servicabE fuse To connect fora Line Level signal Fig 3 keep your IR eon ee ee BO Unni ne Nputconneckon man speakers connected as usual but use RCA Ine 13 hput Voltage Switch Sekcts 115 VAC or 230 EvelcabEs to connectas Dlbws VAC mans votage e Pream ps w th Line Out acks connectone pairofLine OutcabeEs to yourman amp to poweryourmanL amp R speakers and a second pair to the SW10IOR SW 12 LINE LEVEL NPUT Ifyourpream p has ony one pairof Lne Out acks you can use a pair of Y connector cows avaiabk through yourNHT dealer Main Speakers Reciever SPEAKER OUTPUTS Pre Out k R SW10 SW12 Back of Subwoofer Hi Level Input e Amps and recevers with PrwOut acks connect the SW 10IIOR SW 12 fom the PreOut nto the SW 10I0R SW 125 Lne Mput 2 Hithevel Use if GI Your wcewer has no Pre Out or SubwoofrLFE Out facks To connect fra H ph Levelsignnal amp 9 4 use two addi tonalpams ofspeakercabkEs and connectas flbws e Foram ps and wcewvers wih separate A and B speak eroutputs connectone parrofspeakercabks from your rcelvers SpeakerA outputs to yourman L amp R speak ers and a second pair fom your wcewver s Speaker B outputs to the SW 10IIOR SW 12SHih Levelhput Use this method ony ifboth A amp B speakeroutputs can oper ate sin ulan
3. qualty of your speakers is one of the most mm portant factors N maxim ng the sound you get fom your musi and home theater system wete sure that you ll fnd your purchase of the SW 10 and SW 12 a good investm ent and nvite yourcomm ents I you fnd yourexperence with the SW 10 Iland SW 12 as satisfyng as we beleve you wil and wish to enpy ts high quality sound though yourentie system you find nm aton about other sonialy matched NHT Super Seres budspeakers on the back ofthis m anual Background The NHT SW 10 Iland SW 12 Powered Subwoofrss a compact versatile and powerful am plfed subwoofer designed to provide bw frequency winforem ent forhigh perfom ance audi and home theater system s The SW 10 land SW 12 features Ine lkveland speaker Evelnputs for connection w ith alltypes ofrecelivers orotheraudi components ndependentgan phase and bw pass fiter conto boundary contolfradustng system sound forvarbus room plcem ent P Ease take a few m nutes to rad through this owners m anualbefor settng up your speakers this nfm aton w illheb you getthe m ostoutofthem Also pEase keep the SW 10 lor Sw12 s packaging to use n case you move or tansportthem Tf you have questons at any tm e durng setup or use feel fee to call your NHT deakr or our Tolwe Custom erHotine at1 800 NHT 9993 Placem ent Note To prevent the SW 10 Land SW 12 subwoofer am pl
4. use Every speakey has Im ts and tS Mportantto listen for them Speakerdam age m ostoffen results not fom bref bud m usicalpeaks but fom sustained hgh voum e Ev els in some oral fequences For this reason xteme volume settngs and excessive bass tebE or equalzerboosts are notrecomm ended Tfyou hear unusualdistorton orbreakup ornotice heat com ing fom the woof decrease volume mmedatey neutalze any excess bass tebk or equalizer boosts and avoid setting any contos to sin iarextemes agan Maintenance YourSW 10 land SW 12 is designed foryears ofuse w ih no orm nin alm antenance as bng as you avoid expos ng tto diect sunight hgh tem peratures orm oiue C Ban cabnets when necessary using a damp cbth or a mid nonabrsive ckaner to ckan grils remove from speaker and use a soffbmush ora vacuum on ts bwestsettng Do notattem ptt chan the actualdrv er 9 8 Changing the Line Voltage Setting The SW 10 Iland SW 12 were designed to operate on two Ine volage settngs 115VAC and 230VAC hh the event that t is necessary to change the Ine volage settng begn by tumng the power switch to the off positon Rem ove allthe connectons fiom the am plifey nchdng the detachabE power cord Usng a fatblkde screw drvey slde the switch to the corect positon Use the 115VAC positon fr 110 to 120 VAC and the 230VAC positon for220 to 240 VAC Nextyou willkel needa powercord th
5. at fts the AC rweceptack and you w ilneed to wplce the fuse see Changing the Fuse bebw Changing the Fuse The SW 10 Land SW 12 am plfer fuse is userserviea bk To wepkce t e tum the powerOFF e unplug the powercord vem ove the fuse hoHercover above to the powernEt with a fatbkde screw drver e rem ove the fuse fom the hoHerand rpkce tw ih the appropriate type vemnstallthe fuse holder Always replace the fuse wih one of the exact same specifcatons SW 10 I Forsystem s operating at115 volts use ony a 5x20mm T3A 250 vot sbwblbw fuse Forsystem s operating at 230 vots use onh a 5x20mm T2 0A 250 vot sbw bbw fuse SW 12 Forsystem s operating at 115 volts use ony a 5x20mm T5A 250 vot sbwblbw fuse Forsystem s operating at 230 vots use onya 5x20mm T2 5A 250 vot sbw bbw fuse Troub Eshooting the SW 10 DorSW 12 fais to operate atallwhen the PowerSwtich i tumed on thoroughy check the power cord nputand output connectons the SW 10 IDorSW 12 tums on but the LED indrator fails to ilum nate m isw iring ora powersurge m ay have caused the protection fuse to bbw Repkce tw ith one of conecttype and vale Tfthe SW 10 IorSW 12 tums on but ts status LED stays rd the unt is gone nto protectm ode which coul be caused by nconect w ing short circuits or excessive volme Tum offthe PowerSw ich on the subwoofer for two ormor seconds to reset and double check all speak
6. ds Referallservicing to qualifed service personnel For service waranty nfm aton callthe NHT Hotine number 1 800 NHT 9993 19 REPLACEMENT PARTS W hen repkcem entparts are requied be sure the service technican has used rephcem entparts specifed by the m anu facturerorthathave the same characteristics as the orgnalpart Unauthorized substtuton may resut in fre electric shock orotherhazards 20 SAFETY CHECK Upon com pEtin ofany service or mpais to this product ask the service technician to perfom safety checks to detem ne that the product is n properoperatng conditon DI SWN n CAUTI N TO PREVENT ELECTRIE SHOCK DO NOTUSE THE POLARIZED PLUG W IH AN EXTENSDN CORD RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY NSERTED TO PREVENT BLADE EXPOSURE aoe Thank you for your purchase of the NHT SW 10 LorSW 12 powered subwoofer Lke al NHT budspeakers the SW 10 land SW 125 devebpm ent has been guided by the study of human hearng ifs design rgomwusy tested and ts com ponents optm zed to delvercEan ckarmusicalsound Since the
7. eoush e Foramps and receivers wih ony one set of speaker outputtem nab sin p fed the sam e signal n parate to both yourman L amp R speakers and the SW 10IO0R SW 12 Connectone parofspeakercabEs fom your com ponents speaker output tem nas to the L amp R speakers and a second pair fom the same output ter m nab to the SW 10IOR SW 125 H yh Levelnput The SW 10TOR SW 125 nputdoes notprsenta significant bad to the receivez and w illnotcom prom ise is outputto the L amp R speakers Ifyou fnd thatyourrecewerw ilnot accomm odate m o than one cabk peroutputtem nal check wih yourNHT dealr for atematyve methods of connection Reciever Main Speakers SPEAKER OUTPUT SPEAKER OUTPUT SW10 SW12 Back of Subwoofer W th alsignalconnectons com pete is now tme to apply AC power Plug the power chor nto the power net the back ofthe subwoofer plug the otherend nto nto the walloutet and sw ich the subwoofers power to the ON positon Fine Tuning the Subwoofer The frequency chart bebw lists some tems commonly a x used to descrbe diferent bands of the frequency spectum Listen to yoursystem and m ake adustm ents to achkve a seam Ess bend between your man speakers and the SW 10 llorSW 12 Fourcomm on pwob Em s are outined bebw Folbw the fow chatto corect The key to good subwoofer speaker ntegraton is repeated lstenhg flowed by making snal
8. ercabks to be sure thatno sm allm etalstands are shortng the tem nak Tfthese steps don tiestore the SW 10 lorSW 12 to oper ation contactyourbcalAuthorzed NHT DeaErorNHT forassistance Satisfaction Your satisfaction with yournew NHT SW 10 DlorSW 12 Subwoofer is mportantto us P Ease note the m atched products and accessores we provide forthem and your waranty printed on the back ofthis m anual Ifyou have any questions regarding your speakers use feel free to calNHT at1 800 NHT 9993 Enpy your listening and view ng EARE G bssary ee Active Uses eEctrcalpower Am plifer An ekctronic device that ncreases the cur rent andr voltage ofa signal providing power to the budspeakers le power amplfey ntegrated am plfe receiver Bass The range of audi feequences bebw 180Hz characterzed by bw pitch Crossover An eBctonic circuiti that dvides an audi signalmnto diferent fequency ranges Distortion Any devatin fiom the orginalsignal D river Them oving partofa budspeakey which radates sound energy Dynam ics Varatons n budness ofsound Frequency A rate of vbraton which conesponds to m usicalpitch expressed in Hertz Hz FullRange A sinalencompassng the entre audbE frequency spectum Hertz Hz A untequalto one cyck persecond used to measur the frequency ofa signalorsound H igh ass Filter A fitert
9. fer fom overheatng aways be sur to provide adequate space forproper ventiaton Do notphce the subwoofer diecty aganstthe wallorany othersurface The key to pAcng yoursubwoofrfroptm alen pym ent is to rem em berthatbw frequences produce sounds w ih bng waverngths which nteract in compex ways wih room boundares such a walls and comers and other Age obects as well Placng the subwoofernearto a wom boundary w iltend to Increase is apparent bass output butm ay sut n boom y or m uddy sound C onversel pacng tfarther away fom wom boundares wiltend to decrease ts apparent bass output but may wsuk n mpwved artcubton and chrty When possbEk place the subwoofer in the same horzontalphne and abng the same walas the man speakers And snce sm allchanges n subw ooferpositon can have a significant effect on sound expermentng with the effects ofdiferentpcem ents n yourown IstenngN w ng wom is the key to fnding the sound you Ike best SW 10 land SW 12 Features amp Controls Wd Volume This contolalbws you to adustthe gan ofthe Subwoofer m htyve to the restofyoursystem M any Is teners m ake the m istake ofsettng subwoofers too bud which can cause excess bbat and bss of detail and m usicalty A propery calbrated subwooferbEnds n w ith the speakers and does not call attention to itself To prwpery setvolme eTum down the volume contolon the SW 10 TlorSW 12 to ts bwestpo
10. fergan phase and boundary equalzaton Connectthe SubwoofvLFE 0 utputon yourAV Receiver to the LFE N on the back ofthe SW 10IorSW 12 Fi 2 Back ofSubw oofer feferto diagram above Main Speakers Reciever L PowerM ode Leaves Subwoofer n pem ananty on ON orputs the subwoofer in autom att standby m ode we AUTO Power Nhdicator The light is green when the sub wooferis on The Ightis amberwhen the subwoofris n standby m ode The Ightis ed when the subwoofris n SW10 SW12 protecton Back of Subwoofer GB Volume Contol Adusts the budness ofthe sub woofer ndependently ofthe man speakers 4 Low Pass Filter Contnuously varabE bw pass crossover contol 6 Boundary Sw itch SeEcts response mode of sub woofer depending on phcem ent 6 Subwoofer Phase Selector 2 posttion sekctabk n phase contolfrsubwoofer 0 180 the event your receiver or pream p does not have a LFE or Subwoofer output the SW 10I76W 12 has two 7 Line hput Low EvelRCA input cks forLA signal additonalconnection m ethods 8 LFE hOQ ut Low EvelRCA nput ack forLFE orsub woofer signal O ut is an unbuffered pass through used 1 Line Level form utpE subwoofers Use if 9 HiLevelnput Speaker bvelnput connector f You have an amp or wcewerw ith P ut acks butno 10 Power Sw itch Tums the unton and off LFE Subwoofer cks
11. hatpasses only high fequen ces above a bwer lm E In pedance A measure ofthe totaloppositon to curent fow nan atematng cunentcicut measured n ohms n Phase The pohrty ofan audi signalwhen connect ed as follows t and Ot O Integrated Amplifier A pream plifer and am plifer buit Into one chassis InterconnectCable A Ength ofsheled w ie with pugs at both ends for feding signal from one ekctonic device to another LFE Low Frequency E fects The 1 channelofnfor maton recorded on m ostm utchanneldigialsound fr mats sine LevelConnection Low EvelRCA phono or XLR type connection Load A tem used to descrbe the mpedance thata speakerpresents to an am pfer Low Pass Filter A fiterthatpasses only bw fequen ces bebw ahigherim i Main Speakers Font L amp R channelspeakers som e tn es rwfened to as satellites Main h A Ine kvelRCAXLR power am plifer nputon the back of a receiver ntegrated am plifer or power am plfer M idrange The frequency span in the m dk ofthe audi range mugh 180Hz 3000Hz Also used to descrbe the drverthat rproduces these frequences Ohm A untofekctrrealrsistance Thatwhich opposes an ebct cunentn a conductor haudb ameasur of the bad presented by a device to an ekctrralsource OutofPhase The pokrty of an audi signal when connected as folbws to Qand Oto Passive Use
12. leadust ments of the subwoofer conto The most m portant bass tuning functions you w ilcontolar the LOW PASS FILTER folbwed by the VOLUME CONTROL settngs and then PHASE SELECTOR Low Bass M d Bass F recgueney Onart Bebw 50Hz 50H z1 00Hz 100Hz 180Hz 180H z 300Hz 300H z 00Hz UpperBass LowerM d Mi U these See the gbssary forany tems you are unfam ilar w ith 700Hz3K Fine Tuning Flow Chart Boomy Lacks Excessive Too Much Mid Upper Bass Low Mid Upper Lean But With Bass Bass Weight Weight y y y y Adjust Adjust Adjust Decrease Subwoofer Subwoofer Subwoofer Boundary Phase Phase Phase EQ 0 90 0 90 Switch Vv Continuously Continuously 0 180 Add Add Move y Vv y Subwoofer Farther Lower If this makes Increase From Wall Low Pass it worse Raise Boundary V X Over try gt gt gt Low Pass EQ Frequency If the sound Setting y Listen y improves y Move Lower y Adjust Subwoofer Subwoofer Adjust Subwoofer Closer to Volume Subwoofer Volume Wall y Volume y y Listen Y Adjust Eisten Listen Subwoofer Phase y Listen Operation j We recommend thatthe SW 10 LorSW 12 powerbe Ef on which w ilalbw the buit n Auto M ode feature to dis abk the subwooferwhen not in
13. m ng poo etc 6 CARTS AND STANDS Do notphce this producton an unstabE cart stand triood bracket ortab The applance shoud be used ony wth a cart or stand that is comm ended by the m anufacturer 7 VENTLATDN The applance shoul be situated so that ts bcation and positon do not nterer with pwperventibton The applance shoul not be siuated on a bed sofa wg orany surface thatm ay obstruct cabnetopenngs 8 HEAT The applance shoul be situated away from heatsources such as radiators heat registers stoves orotherdevices ncldng am plifers that produce heat 9 POW ER SOURCES This product shoud be operated on fiom the type ofpower source indicated on the marking Abel Ifyou are not sure ofthe type power supply n yourhome consut your product deaEr or bcalpow er com pany For products intended to operate fiom battery power or other sources referto the operatng nstwctons 10 POW ER CORD PROTECTDN Powersuppy cows shoud be muted so that they are not like to be waked upon orpinched by tem s phced upon oraganstthem payng attention to cords and plugs conven nce rceptacks and the pontwher they exit from the applance 11 POLARIZED PLUG Thi applance is equipped w ih a pohrzed Ine plug a plug having one blade w ter than the other This plug will fit nto the poweroutEtony one way This is a safety fature Ifyou are unabE to nsertthe plug fly nto the outet ty reversing the phg the pug still fais to ft contactyourekctrican to ephce yourobsokte outet D
14. mum 15 watts Maxinum 150 watts Miinum 15 watts Maxinum 175 watts 8 bs 13 bs 16 bs 475 bs 11 bs 22 bs 6 75x625x1025 875x75x1185 10x8x13 12x8x38 6 63 x 16 54 x 5 63 85x19x65 W h e orBhck W h e orBhck Black Black Black Black High G bss P ano High G bss P ano H igh G bss P ano H igh G bss P ano H igh G bss P ano High G bss P ano Fhih Finsh PhSh Finish Finish Fish ee W arranty Period Fora perod of5 years forparts and 5 years Zed NHT deaky Now HearThis NHT wanants tha outcharge to you W hat s NotCovered Lim ted W arranty Valid Ony in the USA for bbor l yearparts and 90 days hbor if it fails to function propery due to am anu hg to these nstuctbns and used undernom alcondittons tw ilbe ei com parabE vale wi A tered defaced or rem oved serialnum bers void this waranty foreEctonixs fiom the date this products facturng de This waranty does not coverany productused in trade business ndustralorcomm eralapplcatons This wananty also does not cover the cabnet or appearance factors or costs de nance a Dam age due to powerexposure in excess ofthe speakers published power mathngs YourRights eratons orm odif fications not authorized in w ri fects or dam age su overpow erng lg This waranty gives you specific Egalrights and you may have other rghts which vary fiom state t
15. o notattem ptt deftatthis safety faure 12 LIG HTN NG Foradded protection forthis productdurng a Ightning stom orwhen tis Effunattended and unused for bng perbds oftin e unplug t fiom the walloutetand disconnectthe antenna orcabE system This w ilpreventdam age to the product due to ightning and power Ine surges 13 0VERLOAD NG Do notoverbad walloutets extension coms or ntegralconven nce receptacks as this can wsutn a risk of fre ore Ectroe shock 14 CLEAN NG Unplg this product fom the walloutetbefore ckanng Do notuse liquid cEaners oraemwsolchaners Use a damp cbth forckanng 15 NON USE PERDDS This am plifershoul be unplgged fom the outetwhen the applance is Effunused fora bng perbd oftine 16 0BJECT AND LDUD ENTRY Neverpush ob cts ofany knd nt this product through openngs as they m ay touch dangerous voltage ponts or hortoutparts thatcoul resut n a fre orekctre shock Never spiligud ofany kind on this product 17 DAMAGE REQURNG SERVICE The applance shoul be servied by qualifed personnelwhen a The pow er supp cord orplg has been dam aged or b Obects have falen on or qui has been spiled nto the applance or c The appliance has been exposed to ran or d The applance does notappearto operate nom aly orexhbis a marked change in perbm ance or e The applance has been dropped orthe encbsure is dam aged 18 SERVI NG Do notattem pt to servie this product yourself as opening or moving covers may expose you to dangerous voltage or other hazar
16. o state NHT Im ts this waranty to the purchase price ofthe product excludes ncdentalor consequentaldam ages and Im i rantes under state hws to a period notexceedng theirwananty perods As some states do notalbw the above Im i you To Obtain Service To find the name and address ofthe nearest authorzed NHT service beatin callorw rie 10 Alm num NotVideo Sheed 12 Alm num NotVieo SheHed 31Hz 180Hz 27Hz 180Hz 3dB 34 395 bs 475 bs 14x12x18 16x14x20 Bhck Black High G bss P iano High G bss P ino Finish Fh h eee firstpurchased fiom an author fect despite ts beng nstaled and operated accord er phced or wpaied with new orrbuitparts both atNHTS option with a untof ing from misuse abuse accident in properm ante tng by NHT or parts or Bbor fom any source otherthan an authorized NHT service bcatbn htning orpow er surges are also notcovered ts its oblgations under any in pled war Custom er Service Departm ent NHT 527 Stone Rd Benicia CA 94510 1 800 NH T 9993 648 9993 www nhthificom For your future convenience please keep this waranty wit tations how ever they m ay notappy to th your sales receipt and record date and place ofpurchase for further reference
17. rverdesigned to operate overthe bass por ton ofthe audi range t System Type D river Com plm ent Tweeter W oor Video Shi Hed Unkss Noted Response Sensitivity In pedance Recomm ended Am plifier Power W eight Dimensions Depth x W ith x Height Finish S p e cific atio n sS AISuperSeres products are sonialy matched forseam Ess ntegraton ntomu ichannelsystem s SBl SB2 2 W ay Acoustic Suspension 241 ay Acoustic Suspension SB3 2 W ay Acoustic Suspensbn 341 ay Acoustic Suspensbn SCI 244 ay Acousti Suspensbn SC2 241 ay Acoustic Suspensbn SW 101 Vented Powered 150 watts Cass G Amplifer SW 12 Vented Powered 250 watts Css G Amplifer 1 fluid cooled alum inum dome tweeter w ith neodym ium magnet structure 525 6 5 65 6 5 and 8 e 45 e 525 Polpwpykne Polpwpykne Polpmpykne PobpmpyEne PobpwpyEne Powpropylene NotVieo Shed 68Hz 22kH z 51Hz 22kH z 39Hz 22kH z 31Hz 22kH z 78Hz 22kH z 73Hz 22kH z 34 3dB 30B 30B 30B 30B 86dB 2 83v 86dB 2 83v 86dB 2 83v 86dB 2 83v 86dB 2 83v 87dB 2 83v 8ohm nom hal 8 ohm nom inal 8 ohm nom hal 8 ohm nom hal 8 ohm nom nal 8 ohm nom inal Minimum 15 watts Mhmum 15 watts Maxinum 125 watts Maximum 150 watts Mimum 15 watts Maximum 175 watts Minimum 15 watts Maxinum 200 watts Mini
18. s no ekctrcalpower Phase An expression ofthe wkhtve pokrtes oftwo sij nab PowerH andling The abilty ofa budspeakerto operate w ihout hoe increases in distorton when given varyng am ounts of nputpower Pream plifier An ebctoni device that sekcts sources and passes Ine Evelsiynals to an am plifer PreOut A preamp Ine bvelRCA outputon the back of a recevez ntegiated am pliferorpream plfer Receiver A pream plifeyr am plifer and tuner buit nto one chassis Satellite FrontL amp R speakers when used with a sub woofer Also refened to as man speakers Sensitivity A ratb ofvolage across the speaker bad to the acoustic poweroutput m easurd n decbeS Sub Out An Ine Eveloutput for connection to a sub wooferorsubwoofrsignalprwcessor Subwoofer A drver designed to operate over the bw bass potin ofthe audb mange Also refers to a system consistng ofa wooferand ts encbsure which ae phys icaly separate fom the upper range budspeakers Surround Speakers Speakers bcated in the side or rear forsunound channeleffects Treble The upperpartofthe frequency spectum con sistng of fequences above about 3000Hz weeter A smalldrverdesigned to reproduce high fre quences W att A measure ofekctrcealpowey com bining the vot age with the eEctrcalcunentreguied to drive the bud speaker W eight Low fiequences bebw 50Hz W oofer A d
19. se P hy fam ilarm usi reversing phase settngs And listen from yourusualpositon Avoid evalatng whik standing above the subwoofror amplfery sound at the listening positon will be significanty diferent The corect setting is the one n which the bass is the budestatthe listening positon POWER MODE This featur automatcaly switches your SW 10 LorSwi12 nt mnmum powermode E sEep whenever no signalis present for 20 m nutes W hen a sinali wceved tmmedatey tums on agan As AUTOM ode i autom ati t equies no adustim ent nor is there a need to tum the SW 10 ILorSW 12 on and off every tme t is used W hen n ON Mode the sub wooferis aways on Connecting The SW 10IIOR SW 12 Cauton Before connecting the SW10I0R SW12 to G m youraudi system tis mportantto unplg ortum off all AC power connections to connected com ponents such as receivers am plifers pream plifers and proces sors Do notplg n orconnectthe SW 10I0R SW 12 subwooferto AC poweruntilallconnectons have been made lenti htegratng the SW 10IorSW 12 nto your sunound sys tem is sm pe and stafghtfowar when using this con mav DD necton method Your AV Receiver wil contol al A w q 0 oy Sone crossover functions and the SW 10IorSW 12 willcontol ee See Subwoo
20. sitton Countercbckw ise Tum on your audi system nclding the SW 10 Lor SW 12 Ply some must you ar fam ilarwih and set your rceiverbream plifer volume to a com fortabE lis tnng Evel Slbw Y increase the volume ofthe SW 10 lorSW 12 ls tenng for proper frequency balance When balanced you w ilhear im proved bass extension butnotbe aware thatittis com ng fom the subwoofer From this pont on the volume contol on your rece verpream plifer will contol the overall voume of your system ncluding the subwoofer The Boundary EQ This is a feature unique to NHT Evolution products Refectve boundares Such as wals wnforce a speakers bass output BdB for two wals 6dB fora comer ifthe subwoofer is phced near them Converse pAcng a subwoofrout n the mom results n a ehtive decrease n bass output Boundary renforcementmay kad to bw frequency response that is uneven Some frequence s wil sound exaggerated rwktwve to others or the subwoofer w ill sound thn and Ack mpact The Boundary EQ contolalbws you to com pensate for th fects of rom boundaries on the frequency respons ofthe subwoofer Adusthg the contolenabks you to achieve smooth bw frequency output fom the sub wooferregardess ofts bcaton n yourmom The folbw ng diagram s shown in Fig 1 show the core hton between subwooferplcem entand Boundary EQ These diagrams ar guidelmes only Your wom acoustics and personal
21. tastes wilutlm ately dictate the fnalsetting rio o pon Boundary ESS H alt 3dB 0 Space ie Boundary 3dB 0 3dB Boundary H alf 3dB Whol 0 Space 3dB LOW PASS FILTER This contoldetem nes the upper lm t frequency the subwoofer will reproduce For exam p setting the fiter at 100Hz will cause the subwoofer to wproduce only fiequences bebw 100Hz The Low Pass Filter is contnuousy varabe between 40Hz ow bass and 180Hz upper bass to accom m odate diferent speakers Two tips on using the Low Pass Filter As a startng pont set Low Pass Fiterto the 1 o cbck positon This wilrsukn an 80Hz bw pass As the set ting is typical formostDoby Digtal DTS applications Note The LFE nputbypasses the adustabE 12dB Low Pass Fiber See the Fine Tunhng section for further adustm ent guidelnes SUBWOOFER PHASE This switch sets the phase of the subw cofratetherthe 0 positon nom alphase or the 180 positon reverse phase to achive the sm cothestpossbk bass response n your system This phase eversing option is in portantbecause ifbass fequencis com e from both the subwoofrand theman speakers peaks and dis n the frequency response can occuratthe listening positon In these cases reversng the subwoofrphase can in piove bendig and balnce To propery setthe SubwooferPha
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