LSR25P Owner`s Manual
Contents
1. 200 100 PO A 1008 N L 2007 300 T Be 400 H 500 600 700 MAI 800 900 1000 20 100 Frequency 1000 Hz 10000 20K 96 dB 1 m Distortion raised 20 dB H 2nd Harmonic 3rd Harmonic 7 DNA I 20 100 Frequency 1000 Hz 10000 20K LSR25P Response Curves 7 40 t E NIT g Bus 20 E EA 10 20 bi 00 Frequency 1000 Hz 10000 e 10 Section 4 Specifications 11 UBL Appendix A Wiring Recommendations Bynowyou have probally plugged the LSR monitors in and are making great msc He forodimumpefoomancs sone attention to wiringcHails nowcan pradicefac balanced and unhalanced inputs Balanced Sources The het way to run yar yemis balanced where both and CIP Sqnalsaresupdied as val asa CCI N ySHEID Thesaretyacally cae Tied on 2 conductor cades with XLR connectors an both ends Wense thecaHeshiddshouldnc be connected to any signal pin but leftto pafama cade shiddngfundian aty Note Undacno drounsiansss should the ground wire kerenwved fromthe AC power connector W2. monitor using twisted paircade Niethat theshiddiscon nededtothe MAN HE Damer at the LSR input but not at thesource This ducs thelikelihood of introducing a ground logpinto thesytem DagamDandEaresmilar In DagameE alinkisachedhawen Hn Bn 2 of theX Rconnedor Insomecesss this could bereguiredif humis encountered M E Appendix A Wiring Recommendations DagamD Unbalanced Source LSR XLR Input LSR XLR Input 14 UBL JBL Professional 8500 Balboa Boulevard P O Box 2200 Northridge California 91329 U S A P LSR25P MANUAL www jblpro com 98100056 00 CRP 1M H A Harman International Company 11 99
3. IOdPASH 1m Ur Gnbds HgaHepaxyGnhd 20kE 150B 15dB W rkstation Boundary Gampensatian Active or Bypass LowHequenry Aigamen 36 dB Buttewarth hi pass at 40 EX 36dB Gdaye Bes hi pass at 80 FE Fer use with Sioe Input Atenuatian O 120 dod3 Auxdifias Topdogy Bidyd Cas ABMmndithic Sne Vne Power Rating 100 Vidits lt 0 1 THD into rated impedancs THDHN Y2 pover lt Q High Frequency Topdogy Gass AB Minolithic Sne Vne Rvar Rating lt 0 1 THDinto rated impedanos IEDHN 1 2 pwe lt 0 05 Section 4 Specifications lowHepaxryliardae 134mm 525in Vice Gil 38mm L5in Mot Type Fenitevith Integral Shidding Gne Type Paper with Buba RubberSmound Niminal Requeny Danser 25nm 1in daphragm Vice Gil 25rrm 1 in Mot Type Fenitevith Integral Shidding Diaphragm Type Damped Titanium Qha Features Hlipicl Scharcicl V iveguice Niminal Inpecknce 4dms Physical Gay Gille Back Sed Perforated Endosure Vdunre me 65 liter Q2au ft TowHequenoy Vr Dal Fat Roted Linear Dynamics Apature Integrated with die cast Baffle G mnstrudian Powder Geted Deas Auninum Gnsinudian
4. Povder Goied lees Auninum NtV ight 77 719 Dimensions WXEKD 173x289x241am 88x 106x 95in Notes All measurements unless otherwise stated made anechoically in a 41 environ ment at 2 meters and referenced to 1 meter by the inverse square law The reference measurement microphone position is located perpendicular to the centerline of the low and high frequency transducers at the point 70 mm 2 7 in above the center of the woofer Acoustic loading provided by the listening room increases Maximum SPL capa bilities and Low Frequency Bass Extension as compared to stated anechoic val ues Distortion measurements performed with the input voltage necessary to produce the stated A weighted SPL level at the stated measurement distance Distortion figures refer to the maximum distortion measured in any 1 10th octave wide band in the stated frequency range JBL continually engages in research related to product improvement New mate rials production methods and design refinements are introduced into existing products without notice as a routine expression of that philosophy For this rea son any current JBL product may differ in some respect from its published description but will always equal or exceed the original design specifications unless otherwise stated M Section 4 Specifications Amplitude and Phase 100 1 00 60 L 60
5. 2 to gt started At that time you shouldhavea sytemito listen to while you intensdy study the rest of the manual fornexinumpefonrandse Begmmingwith a Hank CDaren 8 equivalent to a dean het of papas the LR produc have been based an fundamental ressarch into all aspects of monitor indvidual transducas through to the final assanHy of the diecast parts Theresults are inaedHyacuratere aenxesydars wth high dynamic capabilities and astonishingly low distortion New LR Technologies many additional factors beyond on axis frequency response The overall parfoomance of the sens are odtinized within wick listening window for exaqutional perfoomancein a variety of acoustic spaces Attention to these aitical agpeds results in a rock solid image that remains consistent throughout the entire listening Linear Dynamics Apature Contoured parts virtually diminate high end turbulence found in traditional pat designs This provides more accurate low frequency pearfoomance at higher outoutleds Titanium Gonposite Hd Frequency Device Laing patented tedhndlogy the high frequency reduce dstattion Byreduding dstattian in the lower gperatingrangs Where the earis Gate Schacidal Waveguide Designed fora targeted listening wincowof W haizontally and H 15 vatically the FOS poids a frequency response through theentire wmdowof L5dBfromaraxis Thisallowslisienas even far off axis to hear an acourete representation of the
6. 25P carsss with XI Rand ROCAcommedors to accommocdstea wide range of signal levds and balanced unhelanced configurations Ihe XI Rinput is noni nal 4 dBusasitivity and the R Ainputis 10 dBV Zriakle user calibration can also be accommodated using the front mounted volume control Positive voltage to Bn 2 of the XLRarthepin of the RAjadk will produce a forward motion in the low frequency aane 32 AC Power Gamedions TL hes power transfoomess which allowthemto ke used with multide AC supply voltages around the wadd Befare comedingtheunit to confinn that theswitch the rear of the unit is sc to the proper position and the fuseis the cr rect rating The LSR25P will accept voltages from 100 120 ac 200 240 Vis 50 60 He when Ming codes and regulations It must always be cameded to the dechical installation safety ground The LSR units have carefully designed intamal grounding and balanced inputs and outputs to reduce the possibility of ground loops hum see Afor suggested audio signal wiring and system grounding Section 3 General Operation Audio Level Adjustment Theaudo led of the LSR25P can beag usted for almost any stue Mnitor outputs an consdies arenonrally at nominal led of 4 dB1 ac 10 dB Theseare typically called professional and sanijprofessional respectively As chipped fromthe factory the nominal inputlevd of the XLR inp
7. Liner Spatial Reference ISP Sudio Monitor Saem TPreliryirrry Owners Ml UBL Important Safety Precautions Explanation of Graphic Symbols Theedanation point within an equilateral tiandeis intended to alettheusasto the pesenceof important operating and naintmane sang instructions m the literature accompa Dying the product Thelichtning flash with the sand within an equi lateral tiange isintenckdto alat the user to the presence of insulated dangerous voltage within the product s endosure that may bed suffident magnituch to constitue a risk des tricshodkto humans CAUTION GALIICN TO REDUCE THE RISK OF HLECIRIC SHOCK DONOLREMOVEGOVER RISK OF ELECTRIC SHOCK Aa HOT REN NO USER SERMCEAHL E PARTS INSIDE PERSONNEL BO NOEEXPGSE REFER SERMOING TO TO RAIN OR MOISTURE ATTENTION ATTENTION FOUR EMIERIESHISCUES DE CHOC SSE DESIRES EAI HECIRIQE NEPASENEVFRIEGIAMERIE AON NE PAS ENLEVER ENIREIIENDE PIECES INIERELRES PAR ULEAGER GON NEPASEXPOSER HERLENIREIIENAUFEFSCNNH QUATHE MS POUR LA PLUIE LHUMIDITE EAFTERTES HISCE FSD INCENDIE OUD ELECIROCUIION NIEXFCEEZ PASCET ARTIC E ALA PUE CU ALHLMDITE The IKCfuseszrhd pareat thelet regesents an approved userredacealle fire When redacinga fus makesureto redace with only the carrect type and fise rating 1 Read Instructions Before operating yyournewJBLISR produg Hessereadall safety 2 Keep these instructions For futurereferenc
8. ar other boundary surface 3 7 TED Indication Asinge B Gioar LEDindicatoris located an the front of the LSR25P In nomal Operation this LEDwill he GREEN At theanset c amifia dipingin either the lowar high frequency anqifie the LEDwull flash RED Gontinual REDflashing of this LED indicates that leds should be reduced 3 8 Mbunting The LEP hes built in mounting pant for use wth Omnimount 75 Series hades These are located the upper back the Gabin Thethreaced anata 14 Sander machine saewwvith a pitch of 20 threads per inch Section 3 General Operation Section 4 Specifications DE 20 DEHE 10dB Ur conhds st to default DE FEE ABH Iow Hch Frequency Goo 23k 4th Qcer Hectroacousiic Linkwitz Riley satia BBF Hequenoy 150 H 20kEE 2nd Harmonic lowtegeny 150F2 2nd Harmonic 3d Haomonic lt 0 AQAP lt 2 lt 3 MiximumSH 20 gt 10 5 1m Maximum Peak SH 20kEE I109GBSH 1m Signal Input CIR Balanced POS Unbalanced PostivevaltegeapdiedtoXIR Ain 2 qprodueesoutvard wair naian XR 448 FOA 10dBV 96dB1m 96dB1m ZCInput ltage 115 230 5 60 Fe Uzr Sdecta Apt Vitage Operating Range 15 ACInput Comedar IEC Tang Tem Maximum Stem Power 110 V itts 26 5 Sdf Gneated Niseled
9. d beanged to directly facethelistener The center of the high frequency transducer should be ar axis with theearled ofthelisener 2 3 Audio Gamedtions ISEO5P Audio Gommections The LSP25P cares with an XLR and K Aan netas to accommodhiea wee range of signal levis and balanced ar unbalanced aanfig urations The XLRinputis nominal sensitivity and the RAinput is 10 dB riakle user can also be accommodated using the front mounted volume con Pitrevdtageandied to Hn 2 of the XL Rorthepn of the K Ajak will producea forward motion in the lowfrequency cone Section 2 Getting Started 2 4 AC Power Gamedions The LGR25P hes powertransfooras which allowthemto ke used with multide AC supply voltages around the wadd Befare comedingtheunit to confinmthat the switch setting on the rear of the unit is set to the proper position and the fuseis the cor rect rating The LSR25P will accept voltages from 100 120 ac 200 240 Vis 50 60 He when Ming codes and regulations Tt must always be camedted to the dechical installation safeby ground SR units have carefully designed intamal grounding and balanced inputs and outputs to reduce the possiblity of ground loops hum I humnocours see Afor suggested audio signal wiring and system grounding 2 5 Making Sound Happer andified LSR25P monitus Reducetheled of the monitor outputs of your cansdear freanpand also tum the volume on the fro
10. e and trouHeshooting paps retain theseinstrudians Feed all wamings Al wamingsin this usermanual should befdloved 4 FollowInstructions Byfdllowmginstructions presented in this guide you should be guiddy e3oy an accurate and sfemonitaingsstem 5 Water and Mbisture Do not usethis apparatus nearwater for ange bathtub Important Safety Precautions 6 Geaning Clean with a lint freedath Do not useany solvent beeed denses Adightly np doth can also be used on the endosure surfaces and woofer surrounds 7 Ventilation Donc Hodkanyventilation opening inducing the Linear Dynamics Tegjsas Stoves ar other apparatus that produce beat 8 Grounding and Power Gords Ihepoveraaxdsupdiedwith your povered LER prod ucthesa 3 intyedug Do not cut off ar damage the grounding pin andlanceackin don tusein a shower If the povided dug cbes not fit into your out consult an dechi Gan forredacarent Protect the power cord from being valked ac pinched partiqularty at duos convenience resedades and the paint where they exit the apparatus Al powaredI SR are fitted with cHachade power aad supdied Which con neds to the chassis X connector Ihe power card has an TEC male camectar an ane end anda male nains comectoran the other end This cadis supdied geaficallyto accom nocdhie the different and code requirements d individual counties Ifyou are tavding al
11. hen using balanced sources with the LR itisresonmmenced to use the XLRinput on the ISF2 P This maintains a balanced signal andisthe best way to reduce For balanced sources the HOT 4 signal fromyour source should be comes to Pin 2 of honin DagamA The COLD signal should becon nected to Hn R 10 ground loops connect the HA Dat the source end butnctatthelSRinput Balanced Source LSR25P XLR Input Sleeve Te LEP ves designed to output alex of 96 dBSHL at 1 rrdecwith a 4 sga agdiedtotheXIRinput If actitional gain 15 required froma balanced agaaximaly 12 dB higher than the XLR input 12 Appendix A Wiring Recommendations DagamB Balanced Source LSR25P RCA Input Sleeve Unbalanced Sources Consumer and seni pofesional equipment with unbalanced signals usually havea lover output capability than professional devices In thesecesss itis recommended tousethe LEP RAinput Thisinput has bem gosdfically designed to accommodate the lover output leds typical of consumer and sani professional equipment HgureC shows when using the RCA connedian DagamcC Unbalanced Source LSR RCA Input Sleeve Mile thae are only HOT and HAE Daamnedians from unhalanced sources itis reconmmendsd that high quality twisted pair cade be used when using the XIRinput of the LEP Dshovs an unhelanced source connected to the hal anced XT R input of the
12. nt of the LSR25P monitors fully counter dod lt thetum an to accommochite for didss and thumps fromupsiream equipment When the Geen IED the front pand tumsan theunits areready to Sowy advance the gain the conde to the maonitoingssemand st hakandeqoy Iftheeis excessive hum noisearno signal see Aon suggested wiring practices UBL Section 3 General Operation Introduction ThelS25P B an ified reference monitor ses newstandard for excadiional pafonmancein a compact near design Tanga combination of advanced transducer enginesingand powerfull drive dedtironics the LSR25P will stand up to the mst damanc ingssions The 525 wooferis hasad on JA s S metrical Hdd Gandy SHG tecandogy With amessive 1 5 divecal excursion capability is maxinized whilereaining excdlent distortion perfoomance The hey magnetic structure keeps power compression to a nini numito reducespedial shift as per leds nas Thetenpeed paper one ms a rigid piston and is supported bya soft buty rubber surround The entire diver is shidded for use near video monitors and other equijament sensitive to magnetic fidcs Thehich frequency dsiceisa 1 composite integrated with an ate Sherachl Waveguide with 100x 60 degree dqpasiaon whichis to the srocth spatial response required in todays wakingemironorens The design as with the woofer abos 15 3 1 Audio Gamedions ThelSP
13. on axis response Meristation Boundary Compensation Towand nid frequendes can be agjusted to odinize paffoomance where boundaries such UBL Section 2 Getting Started 2 1 Unpacking An easy way to safe y unpad lt your monitors is to open the top of the bax kep the filla pieceon the box upside down The box can then besdipped dE This also vais nee for repacking the units to takethemto the next session 2 2 Placement Inedeiga of thelSRsstenslend this to a widevaridy of daarnet adians Gveedheeisa typical seup for near to mid fidd monitoring Adegper disoussion cf multi channd sound sctupis availane from Tech Nte dune3 Nimber3 Listening Distance Byevaluatinga hodacs stian of sudo exiron ments it was dtanined that the common listening position at resarding consoles is gan eally 1 to L5netas 310 fornesrfiddagdications Formic fiddapdications 2 to3neesisnoelikdy Thereal ksyto successflll stereo Pacarent isto fuman epilat tiande between the monitors and the pine listening position As shown bdow the distance bdween the monitors and the distance beven each monitor and the canter of theliseness head are equivalent Vertical vs Horizontal Placement The LEP reerfieddisdesonedto bepositiangdvartically This qientation diminates the phase shifts that ocourwhen the dsancss the vof medier and the listening position change Angling towards the listening position LSRmoniitos shoul
14. toad with your system test the power mains and be aware of any specific Voltage requirements before qperating your system 9 Options Qly use attachments or accessories specified by the manufacture 10 Nonus Periods Unplug this acparatus during lightning tans earthquakes fires floods locusis ar when unused for lang paiak of time 11 Sawicing Referall savidngto qualified savice pasonnd Savidngis required when the apparatus has been damaged in any way such as power supdy cad ac gugis Camaged liquid has bem 92116 ardgeds have fallen into the LGR monitor the monitar has been exposed to rain armaisture doesnot operate nomma exhibits Sgns of schizo or other psychosis ar has been dro 12 or Calling Mounting The apgdian should be mounted to a wall arasling as recommenced by the manufacturer 13 Grts and Sands The agdianceshould be used ont with a cart ar stand that is rec amanda by the manufacture An apdiance and cart canthination should be moved cart combination to ovatum aanfickntial and the cgpyright of JRL Professional To conve its contents in part arin whdeto any third party copyight JH Brofessianal 2000 Table of Contents Section 1 Introduction Congratulations on sdecting the Linear Spatial Reference Sudo Manitars Theyreoesent the sum total of ourresearch and dsvdoament darts in sound reproduc Wileve don t expect you to read the entire manual vedo suggest section
15. ut 15 4 dB1 and 10dBv forthe RAinput Anoninal led to these inputs will produce an output of 96dBSHLat 1 meter in an anechoic exironrent Thisallovs the userto gata good match when using ether professional or sanijprofessional equipment Ifless sansitivityis needed the front hand dune contd can headusted down The front nd acjus nent gives 9 dB df attenuation in the 12 dodkpostion 3 4 High Frequency Adjustments Agoup four switches are located in a recess on the hadk of the LEP Theseallowthe user to adjust various agds of the frequency response Switch 3 boots the high frequency response by 1 5 dBahove 23 when moved into the up position This position is used if theroomis trendy dead ac nixes trandate too hight Switch 4 cuts the high frequency response by 1 5 dBabove 2 3 KE when moved into the up posticn This position 15 usedif the roanis highly relecttive amies trandate dull Effects of High Frequency Adjustments Switch 3 On 1 5 dB 9 Switch 3 amp 4 Off Flat Switch 4 On 1 5 dB dB 70 60 UBL Section 3 General Operation 3 5 80 Hr High Pass For Use With Subwoofers The Low Frequency cut off can be adjusted to either 40 FE SO This loop throughs Switch 1 selects the 80 EE setting when in the up position 3 6 Wa rkstalion Boundary Gonpernsation The bess and lowmid frequency response of the LSR25P can headusted to cant pate when the semis located negra wall
Download Pdf Manuals
Related Search