Orrneds Manûal LI L3 L5 I K t I The Rigl.rt Choice All of usatJBLwouldliketo congratulate on choosingJBL )rou l- SeriesLoudspeakers. There are a bewildering arrayof speakers on markettodayandwe know l'the that the choiceto purchase ours was probablynot an eaÐ/one. We're confidentthat the new youVejust unpacked speakers will exceedyour expectations. Your state-of-the-art L3, L5 Ll, continuein the long or L7 speakers tradition of precisestudiomonitor is soundfor whíchJBL famous. Eachmodel incorporates considerableadvanced technology. will ì6u purdtitanium enjoythe benefits of dome hþh frequency transducers, die castlow frequency transducers witlr ventedpole pieces and proprietarySymmetrical Field Geometry magnetdesþn,as well dividing ashþh-definition networks with qualityelectronic comPonents The narrow front profileof your new L Series speakers designed is to maximíze dispersion thus and contributeto better stereo imaging a more open;spacious and sound.The slantedfront surface of the speakernot only alþns eachtransducers'voice for coil proper phase and better sound stagedepth,but alsoeliminates parallelinternalsurÍaces to eliminateassociated sanding waveresonances. IMPORTANT: L3,Ls,AND L7 MODELSREQUTRE SOMEASSEMBLY. For proper stabil¡ty, is strongly it recommended thatyou usethe moldedbaseprovidedwith each L3,L5,andL7 speaker: lnstructions beginon the next page, third column. Finall¡all L Seriescabínets are constructedwith lock-mitre¡oinery hþh densityfìberboardbaffles and internalbracing reduce to colorationswhích can.occur an in ordinary enclosure. .' The Right Company We're ableto appb/ technology and materials suchasthesebecause our preeminentposition of in the demanding world of professional soundreproduction. JBL loudspeakers a key part of are more largesuperstartouring soundsystems, surÈound sound stereo theaters and ttre actual recordingstudioswhere your favoritemusicis createdthan any other singlecompany.No other audiocompanyin the world can makethat claim. The sameU.S.-based engineeringand-production f'acility that earnedJBlthis top positionin professional sound reproduction hasalsodesigned createdyour and new L Serieshome loudspeaker Ð/stem. Maxim izing Performance As with anywell-engineered product- be it a cír6a computer or a loudspeaker your L Series monitorswill benefitfrom careful set-upand installation.Followthe directionsin this manual closely as aspossible insurethat your new to systems produce will JBLspeaker tJreirbestsoundperformance. An important (often overlooked) step Your sales receiptshouldbe stored in a safeplace.ltestablishes wfienyou boughtthe loudspeakers (for warrantyvalidation) how and muchyoupaidfor them (for ínsurancepurposes). Also please ake a minuteto fill out the enclosed customer profìlecardand mailit back to us. purchased lfyou have Ll speakers, the next sect¡onand skip beginon page4, PLACEMENT. ATTACHING SCRE\ryS AND BASE(L¡, L5, ,/ &L7ONLp The moldedbaseprovidedwith the L3,L5 andL7 are not only intended enhance speaker's to the appearance, to sablízetlre but speaker well. as Attaching the base l. After rcmovingthemfrom the carcons, your L3,L5 or L7 lay speakers their back on a on soft surhce suchas carpeting. 2. Locatethe speakerbaseand eþht Phillips-head screws packed eachspeaker in cafron. 3. Slipthe baseonto eachspeaker. 4. Secure base the with the eight screws. Do not over-tighten. 5. After returningboth speakers to uprightpositions,they are readyfor placement your in listening room. 3 placing your L Series placementforeachL Series speakers model. where a previouspair were may The closèrto our drawings you not represent bestchoicefor the cancome within your own particuThe best positioning your newJBLspeaker system. lar room, the betten Howeven produces the best sound WhileJBLL Series loudspeakers evBnif you cannotfullyfollow Where'youputyourJBL soundgood anywhere, someposi- Çyery dimension deail due and L SeriesLoudspeakers actually can tions in the average listening room to room sizeand furniture layouq acceÍrtuate tlreir already impressive will maximize technology the inyou will still be ableto enjoy musicreproductioncapabilities. corporatedinto thesedesigns. excellentfidelity. Because differentspeaker lncludedon the followingpages are Manyfactorsaffectspeaker perbrandsand modelshavedífferent drawings showingthe ideal formance. Somemaybe important placement requirements, simply to you and others maynot Thus PTACEMENT Drawing lA- Ll positiontop view Drawing lC - L3 position top view 3 ' - _ r f f_ . T _ Earlevelwhen POS|1lOn 3' 3' 3' seated lisæning in Drawing lB - Ll position front view DrawinglD - L3 positionfront view 4 the ultimatedecisionon where you put your L Series speaker systemdepends muchon your as musical priorities'asit doeson room layouL Where you put your new speakers affect: can lmaging -When the per.formers seemto appearbetween loudthe speakers, creatinga spacious, three-dimensional soundstagethat seems fill your room. ln fact, to under idealconditions, image the canactually extendbeyondthe boundaries your room! of Bass-The visceral impactof musiccreatedby bassdrums, stringbass, electricbass guitaror synthesizer: Tteble - High-frequency detail suchasthe sheenofa cymbal strokedwith a brush, the breathiness a of singeror the te)cure of a violin bow drawn acrossa string. Placementfor best stereo imaging TheJBLengineers who created your L Series speaker's desþneda systemso accurate that virtually eveÐ/th¡ng hearon a tâpe, you record or CD canappear a on "soundstage"centeredbetween and extending well beyondthe two loudspeakers. achieve excitTo this ing effectrequires carefulspeaker positioning. Most importantare the dimensionswhich determinethe angles of an imaginary triangleformed between both speakers your and mainlistening positionasshown in Fþure lA, lC and lE. NotqLZ ownersseeL7 Supplementfor Þloce ment drowing$ Try to achieve anglebetween an the speakers the mainlistening and Drawing lE - L5 position top view. Drawing 2A * Ll bookshelf placement, front view. lf Ll's are placedón their sides,make öure that the tops åce inward. 3' 3' Drawinq 28 - Ll bookshelfplacement roo view. Speaker-should at leasttivo inchesîroin back be of the bookshelf. Drawing lF - L5 position fronr view. 5 t .tt,l (see posítionof about 60 degrees lA, Drawings IC,and lE). Notice that in eachcase,thespeakers n" shouldbe angled inward l0 to dègreeS. 15 the Note that we recommend stands with Ll useof speaker Manystylesand brands speakers. yourJBL consult are available; dealerfor more information.Alternativel¡ you Ll's canplace on a bookhelf as shownin Drawing2 on the previous page.Note that tlre hþh frequency transducers shouldbe towardsthe when inside the Ll's are placedon their sides. Make at sureto leave of leasttwo inches room between and the backofthe speakers the backwall of the bookcase. V/hat if you cant positionthe as s¡ieakers shown in Drawing l? Drawing38 showsthe resultof a narrow anglebetweenthe speakers andyour mainlistening position.The L Seriesspeakers but well in this configuration, image narrower sound a slighdy will have stâge. in The placement Drawing4 you want unless shouldbe avoided musicwith little only bacþround effeèc stereo imaging ! Placement for best , bass response No matter what kind of music you enjo¡ bassís an important part of the tonal spectrum. L Series Drawing38 are if stereoimage speakers closetogether Reduceð can speakers reproducesurpr¡singlyhþh qualitybassunderany low conditionand o