User manual JBL L300

[. . . ] 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. Because differentspeaker lncludedon the followingpages are Manyfactorsaffectspeaker perbrandsand modelshavedfferent drawings showingthe ideal formance. [. . . ] 5 t . tt, l (see postionof about 60 degrees lA, Drawings IC, and lE). Notice that in eachcase, thespeakers n" shouldbe angled inward l0 to dgreeS. 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 hh 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. 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 stge. in The placement Drawing4 you want unless shouldbe avoided musicwith little only bacround effec stereo imaging !Placement for best , bass response No matter what kind of music you enjo basss an important part of the tonal spectrum. 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. NexCseparate two conductors that compriseeachwire for a distance about one inch. 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. 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. 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. . ohrn and S<, hmloads, ample, 20O-watt-ratedL | with a 's | 6-ohm, 8-ohm or 250-wattamplifier:lt DOESmean L | with 4-ohmextension that you must be carefuland not speakers. turn up the volumeso highthat its l6-ohm, 8-ohmor L30000'swith the output o<ceeds maximum 4-ohm extension power for your speakers. [. . . ] With the amp/receiver still the corresponding direction, either speaker turned off, confrm ttrat its volyou'rereadyto enjoyyour new l. Amp/receiver tape monitor butume control isturnedallthe L Series speakers. Wrong speaker switch is position. Alsq if the amp/ Caring for your L Series pressed the amp/receiver has if receiverhasA/Bspeaker switch, speakers both "A" and"B" setsof speaker set t to correspond the set to In general, lightdustingshould a outPuts. of speakeroutput termnals be all the crenecessary sincethe connectedto the L Series 3. [. . . ]