User manual JBL L50

[. . . ] Locatethe speakerbaseand eht Phillips-head screws packed eachspeaker in cafron. 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 closrto 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- yery dimension deail due and L SeriesLoudspeakers actually can tions in the average listening room to room sizeand furniture layouq accertuate tlreir already impressive will maximize technology the inyou will still be ableto enjoy musicreproductioncapabilities. [. . . ] L Series Drawing38 are if stereoimage speakers closetogether Reduce can speakers reproducesurprsinglyhh qualitybassunderany low conditionand o<ceptionally basswhen positipnedoptimally. Two modifiablerootn factors afbass: l) proximityto fect L Series room cornersand2) disncefrom the rear wall. How closeyour L Series systems to the back are speaker wall determineshow they will "couple" to that surface, resulting frebass certan at in increased quencies. The optimaldistances from a backwall (asshownin Fures lA, lC, lE andthe L7 will Supplement) producewellbalancd bassin a normal-sized room. or NOTE: You canincrease by decrease distance about this affecting one foot witlrout seriously low frequencybalance. are The closertlre speakers placedt room corners, more the (boomybass) they will mid-bass room is produce. lf your listening extremelynaffowyou maynot be speakableto placeyour L Series ers at leastthree feet from side wallsasshown in DrawingslA" lC decrease and I E. lf this is the case, the disncebetweenthe two to speakers allow at leastsome disncefrom sidewalls. Placement for best treble dispersion High musical soundscreatethe fine deails of a musical experience. High-frequency soundssuchasfemalevocals, violins, leadguitars, upper pianooctaves cymbals and are more directional tjran bass and midrange. other words, these In are treble sounds best heardwhen they canproectdirectlyin an path unencumbered from the speaker your ean to Thanksto their tianium dome highfrequency transducers, L Series are speakerc lesssensitive for to placement besttreble than almostanyother speaker model. . Howeveyou njoyyour best' will musical o<perience when ttre L Series'tweeters at or near are "ear level"asshownin Drawings (anlB, lD lF andL7 Supplement reason why we recommend other placing | 's on speaker L stands). CONNECTION. You will need. . . of Then strip off 3/8" of insulation from both endsof eachconductor using wire strippen a pliersor knifeasshown diagonal in Drawing5. Connectint your amplifier to your L-Series Speakers NotsfT owners L7 Suple see hook-up drowin mentfor additionol ond instuoions. * B ''U '' f I I t conneccions, soundwitlr thin conductorscrossbetween poor stereo image poor and lessb bass terminalsandtouch the oppowillresult site connectjon. Out of place strandscancause short circuit a First unscrgweachterminall first terminalf'ar . t' enoughto exosetl hole in enough exose lf you'reonly connecting set one the terminal's centenshaft" lf of speakers, maynow skip you your wire is thin enoqgh, sim enoqgh, simply aheadin this manual the to insert it throughthe hole and OPERATIONsection. lf you Hooking up multiple are usingthicker wire, first seParate strandsinto three sets ofspeakers the equalbundles. Theninsertthe lf your receiverhastwo comcenter bundlethroughthe terpletesetsof speaker terminals('. A" minalshafthole andwrap the and"B'), it's possible hook up an to outer bundles aroundthe shaft additional pair of speakers, o<for beforethtening. ampleJBL lll personal Pro monitors, for simultneous sound 5. Finallmakesurethat none of in another room. the strandswhich makeup Howeveqsomespeakers may either of the two speaker wire Rearof RIGHT L Series speakeras viewed from back Rear of LEFTL Series as viewed from back not be useable a secondpair if as you want to playboth setsat oce. Beforehookingup anotherset your L Series, ofspeakersbesides checkthe followingspecfications: l. Youramplifien's MINIMUM LOAD impedance 2. The NOMINAL IMPEDANCE the second of set of speakers BotJrof thesespecifcations are expressed ohmsandboth canbe in found in the owner'smanuals which camewith your amp/ receiverand speakers. doesnt meanyou cant use, for exlf your amplifieris rated for 2+hm, 4's combine. . [. . . ] Now turn on your amp/ the enclosure surhcesbecome amp/receiver front, panel. receiverand a musicsource dirty, theymaybe cleaned with a suchas CD player; cassette deck No sound fiom one speaker dampcloth or a cleaner suible or FM station. Balance control turned all the for a sealed wood fnish. Never 3. Selectthat sourceon the amp/ way left or righr usea pumpor spmycleaner direceiverfront paneland press 2. [. . . ]