JBL LSR4312SP Owner'S Manual Download

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LSR4312SP

Linear Spatial Reference

Powered Subwoofer

Owner’s Manual

Summary of Contents for LSR4312SP

Page 1: ...LSR4312SP Linear Spatial Reference Powered Subwoofer Owner s Manual...

Page 2: ...ii...

Page 3: ...age the grounding prong If the provided plug does not t into your outlet consult an electrician for replacement of the obsolete outlet All powered products are tted with a detachable power cord suppli...

Page 4: ...ithin the products enclosure that may be of suf cient magnitude to constitute a risk of electric shock to humans CAUTION TO REDUCE THE RISK OF ELECTRONIC SHOCK DO NOT REMOVE COVER NO USER SERVICEABLE...

Page 5: ...2 Restoring Factory Settings 33 LSR4300 Control Center Software 33 Appendix A About Surround Sound 34 The LFE Channel 34 10 dB Gain 34 Bass Management 34 Appendix B Using Two LSR4312SP Subwoofers 36 A...

Page 6: ...vi v...

Page 7: ...and delivering sound you should turn to the Reference section which describes every feature and function of the LSR4312SP in detail Finally we ve included a number of technical appendices and speci ca...

Page 8: ...eating a mix that sounds great on all playback systems If you think of a monitoring system as a kind of lens through which you hear sound the object is to have the lens be crystal clear and transparen...

Page 9: ...woofer is ideal for surround sound production Up to eight main speakers any combination of LSR4326 and LSR4328 models and up to two LSR4312SP subwoofers can be easily con gured for LCRS 5 1 6 1 theatr...

Page 10: ...ter and LSR4300 Control Center software Other Features 12 inch self shielded transducer with neodymium motor structure self powered with 450 watts of internal ampli cation eliminating the need for ext...

Page 11: ...ote control o LSR4300 Control Center Software o 16 foot USB cable o Two network terminators o Two AAA batteries Here are simple step by step instructions to get you up and running quickly 1 Unpack the...

Page 12: ...switch Analog audio Bass Management input output connectors Active Input display AC connector DIP switches USB connector CAT5 connectors 10dB LFE Gain switch Analog audio LFE channel input output conn...

Page 13: ...and then use its analog and or digital outputs to distribute the signal to the main speakers The LSR4312SP subwoofer is able to accommodate up to six channels of analog signal and it also includes one...

Page 14: ...gned to receive an LFE Low Frequency Effects signal Bass management of multiple digital signals requires an external bass management processor that provides a monaural or stereo bass managed signal to...

Page 15: ...ed by that speaker See 10 on page 16 in this manual for more information about input selection 8 Set the bass management crossover and or LFE lter frequency as desired a If you are using bass manageme...

Page 16: ...r so up to the 20 mark are lit 11 Play the signal source and adjust the overall volume to a comfortable listening level by pressing the controls on any speaker 12 If your LSR4300 system is brand new t...

Page 17: ...system volume see 11 below Meter and button brightness see 11 below Error conditions The meter has 31 segments that can illuminate in green amber or red plus a 32nd clip indicator segment on the far r...

Page 18: ...ss this button to turn the LSR4312SP on If networked together with other LSR4300 speakers all speakers will turn on simultaneously Press the button again to return the subwoofer and all other networke...

Page 19: ...sing a digital signal source the rear panel DIP switch 5 must be set to the Bass Management right position see page 21 in this manual for more information in that case the LSR4312SP will reproduce sig...

Page 20: ...quencies reproduced when monitoring an LFE signal Options are 50Hz 80Hz 120Hz or NONE no ltering To select one press the FILTER button It will ash and the meter display will con rm the currently selec...

Page 21: ...seconds you can use the buttons to change the level setting The new selection will then be displayed on the meter display as shown in the following illustrations and will be stored in the LSR4312SP af...

Page 22: ...ly selected input source In addition incoming signal will temporarily be muted While the INPUT button is ashing for approximately 3 seconds you can use the buttons to change the input source The newly...

Page 23: ...17 Analog input S PDIF input CH A S PDIF input CH B S PDIF input CH A B AES EBU input CH A AES EBU input CH B Reference Front Panel...

Page 24: ...link indicating an error condition If both switches are placed in the ON right position the LSR4312SP will reproduce signal coming from both channels For more information see page 21 in this manual 11...

Page 25: ...19 Rear Panel 1 2 4 8 7 9 10 11 12 13 14 15 3 3 3 3 3 5 3 3 5 5 5 5 6 16 LSR4312SP Rear Panel Reference Rear Panel...

Page 26: ...at 8 S PDIF output connector RCA type Output connector used to route incoming S PDIF signal to another speaker 9 AES EBU input connector XLR Input connector for incoming digital signal in two channel...

Page 27: ...for LFE is applied the front panel Bass Management ON function is disabled and bass management cross over lters are not used High Pass lters in LSR4328P and LSR4326P are not enabled When the Subwoofe...

Page 28: ...tereo signal For more information see 10 on page 16 in this manual 15 POWER connector Accepts the supplied IEC power cable 16 FUSE HOLDER Holds the power fuse and one replacement power fuse Remote Con...

Page 29: ...ocess To turn Bass Management on or off press the Bass Mgmt ON button in the sub section of the remote To adjust the Bass Management X OVER or LFE FILTER settings with the remote control press the cor...

Page 30: ...nually place this switch in whichever setting yields a stronger perceived bass response at the mix position See Appendix C on page 41 in this manual for more information about using the LSR4312SP with...

Page 31: ...ws RMC calibration to be carried out for the entire system at once and it enables bass management to be instantly switched in or out for all speakers with the push of a single button What s more HiQne...

Page 32: ...stereo use with LSR4328P and LSR4326P studio monitors SUBWOOFER LEFT SPEAKER CENTER SPEAKER RIGHT SPEAKER LEFT SURROUND SPEAKER RIGHT SURROUND SPEAKER Network Terminator Network Terminator Networking...

Page 33: ...00 Control Center Software will cause the JBL logo in networked speakers to blink for approximately 3 seconds Turning Bass Management on or off Changing the Bass Management Crossover frequency Changin...

Page 34: ...g AD converters Full range XLR analog outputs are provided for each of the six analog audio inputs use these to distribute analog signal to the main speakers in your system and or a second subwoofer C...

Page 35: ...ypical Audio Connections The illustrations on the following pages show audio interconnections for integrating an LSR4312SP subwoofer into stereo and surround LSR4300 systems For information on integra...

Page 36: ...ce Digital Audio Workstation with digital outputs AES EBU audio connection Legend S PDIF audio connection Analog audio connection LEFT SPEAKER SUBWOOFER RIGHT SPEAKER Additional analog audio source L...

Page 37: ...S PDIF audio connection Analog audio connection LEFT SPEAKER SUBWOOFER CENTER SPEAKER RIGHT SPEAKER RIGHT SURROUND LEFT SURROUND Left Surround Right Surround Additional analog audio source Center LFE...

Page 38: ...takes only a few seconds per speaker During the RMC calibration process the computer trims all speaker and subwoofer levels in ne incre ments so that all monitors in the system produce equal SPL soun...

Page 39: ...trol Center Software supplied with the LSR4300 Accessory Kit allows you to control all front panel LSR4312SP functions using a connected Windows or Macintosh computer In addition the onscreen display...

Page 40: ...ystems employ a scheme in which the LFE channel is recorded 10 dB below reference level with the signal then boosted by the same 10 dB upon playback Although this practice has largely been abandoned w...

Page 41: ...cision as to whether to use bass management is dependent largely upon the application There are times when you may need to use the LSR4312SP to monitor the LFE channel only and other times when the LS...

Page 42: ...g the low frequencies of the left channel and the other is dedicated to reproducing the low frequencies of the right channel There are also advantages to adding a second LSR4312SP to a surround setup...

Page 43: ...audio connection Legend Interconnections for adding a second LSR4312SP to a non bass managed 5 1 setup Appendix B Using Two LSR4312SP Subwoofers X Note To use digital inputs in a 5 1 multichannel syst...

Page 44: ...SUB 2 Digital audio source Stereo Digital audio source Stereo Analog audio source Right channel Left channel AES EBU audio connection S PDIF audio connection Analog audio connection Legend Appendix B...

Page 45: ...nt crossover lter will still operate as normal however because the signal sent via all LSR4312SP outputs both analog and digital is always full range you will have to use external processing to set hi...

Page 46: ...40 Appendix D System Block Diagram...

Page 47: ...41 Appendix D System Block Diagram...

Page 48: ...nal pin but left to perform a cable shielding function only X Under no circumstances should the safety ground wire be removed from the AC power connector When using balanced sources with the LSR4312SP...

Page 49: ...an LSR4312SP we recommend using 1 4 Tip Ring Sleeve connections As shown in Diagram C when using the 1 4 Tip Ring Sleeve or XLR connection the GROUND should be tied to the source not the sleeve of the...

Page 50: ...e high quality cable designed for use with digital equipment We recommend the use of 110 ohm balanced cabling for AES EBU connections with a maximum cable length of 100 meters approximately 330 feet 7...

Page 51: ...m mute exit SOLO on other speakers Reset Digital A B Channel Selection Error Brown Out Condition 2 networked subwoofers w mismatched settings RMC Timeout RMC State Non standard DIP switch con guration...

Page 52: ...ections are OK source may be unstable I am having trouble daisy chaining my digital audio through multiple speakers Cable may not be suitable for digital application Make sure you are using cables per...

Page 53: ...1 will be displayed as follows o Firmware v2 0 will be displayed as follows If your Studio Monitors have rmware version 1 1 installed use the enclosed CD ROM to update each Studio Monitor to version...

Page 54: ...noise oor using analog input 1 8th Power Rating 25 watts Full Power Rating 100 hrs IEC pink noise 6dB crest Factor 200 watts Wattage Rating AC at 1 8th power IEC Pink Noise 140 watts Maximum Current...

Page 55: ...180 degrees Additional Controls accessible via LSR4300 Control Center Software DIM 12 dB at full volume System MUTE SAVE LOAD Con guration RMC Trim Display Front Panel Display 31 LED Segments for dBFS...

Page 56: ...age resulting from the performance of repairs by someone not authorized by JBL claims based upon any misrepresentations by the seller any JBL product on which the serial number has been defaced modi e...

Page 57: ...ED TO THE REPAIR OR REPLACEMENT AT OUR OPTION OF ANY DEFECTIVE PRODUCT AND SHALL NOT INCLUDE INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED...

Page 58: ...ributor in your area A complete list of JBL Professional international distributors is provided at our U S A website www jblpro com En Dehors des Etats Unis Contacter votre Distributeur JBL Profession...

Page 59: ...53 Notes...

Page 60: ...54 Notes...

Page 61: ...55 Part Number 363032 002 09 06...

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