JBL S412P Main / Stereo Speaker
Contents
1. blocked or covered The openings should never be blocked by placing the product on a bed sofa rug or other similar surface This product should not be placed in a built in installation such as a bookcase or rack unless proper ventilation is provided or the manufacturer s instructions have been adhered to 11 Power Sources This product should be operated only from the type of power source indicated on the marking label If you are not sure of the type of power supply to your home consult your product dealer or local power company For products intended to operate from battery power or other sources refer to the operating instructions 12 Grounding or Polarization This product may be equipped with a polarized alter nating current line plug a plug having one blade wider than the other This plug will fit into the power outlet only one way This is a safety feature If you are unable to insert the plug fully into the outlet try reversing the plug If the plug should still fail to fit contact your electrician to replace your obsolete outlet Do not defeat the safety purpose of the polarized plug 13 Pow er Cord Protection Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them paying particular attention to cords at plugs convenience receptacles and the point where they exit from the product 14 Nonuse Periods The power cord of the product sho2. displayed If you used the LFE input and there is no sound from the subw oofer e Check that receiver amplifier is on and thata source is playing e Make sure that the speaker is plugged into an active electrical outlet e Check all wires and connections between receiver amplifier and speakers e Make sure all wires are connected Review the Line Level Connections section on page 5 of this manual and make sure that a single RCA patch cord is connected to each loudspeaker from the Y Connector plugged into the receiver amplifier s subwoofer output M ake sure none of the speaker wires are frayed cut or punctured e Review proper operation of your receiver amplifier including making sure that you have configured your receiver so that the sub woofer output is active If you are using the S412P LFE Subw oofer input and the bass level decreases instead of increasing when you turn the LFE Subw oofer Level knob clockwise e Recheck to make sure that your receiver or amplifier speaker outputs are correctly connected to the S412P speaker inputs gold plated binding posts to and to The S412P terminal has a red stripe and is located on the right hand side below the letter L of the molded J BL logo when looking directly at the back of the 5412P e If the wires are connected properly the confusion may be attributable to the design of your receiver amplifier Your unit m
3. plugged in When the speaker is receiving a signal the LEDs glow green We have provided a convenient Green On LED switch on the back panel to allow you to shut off the front LEDs should they interfere with your enjoyment of a movie This switch has no effect when the LEDs are in red mode TROUBLESHOOTING If there is no sound from any of the speakers e Check that receiver amplifier is on and that a source is playing e Review proper operation of your receiver amplifier If there is no sound coming from one speaker e Check the Balance control on your receiver amplifier e Check all wires and connections between receiver amplifier and speakers e Make sure all wires are connected Make sure none of the speaker wires are frayed cut or punctured If the system plays at low volumes but shuts off as volume is increased e Check all wires and connections between receiver amplifier and speakers e Make sure all wires are connected Make sure none of the speaker wires are frayed cut or punctured e If more than one pair of main speakers is being used check the minimum impedance requirements of your receiver amplifier If there is no or low bass output e Make sure the polarities and of the left and right Speaker Inputs are connected properly e Make sure that the speaker is plugged into an active electrical outlet and switched on and that the green LEDs are
4. OWNER S GUIDE PRODUCT LINE STUDIO SERIES nuwser O 412P DESIGN GOAL Bring the thrill of live performance and movie sound to the home environment by calling on J BL s professional engineering leadership TWEETER TYPE Pure titanium dome with EOS waveguide CROSSOVER NETWORK Straight Line Signal Path SSP PORT DESIGN Freeflow flared PROFESSIONAL REFERENCE Studio Monitor READ THIS Important Safety Precautions CAUTION RISK OF ELECTRIC SHOCK NOT OPEN CAUTION To prevent electric shock do not remove the grounding plug on the power cord or use any plug or extension cord that does not have a grounding plug provided Make certain that the AC outlet is properly grounded Do not use an adapter plug with this product The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance 1 Read Instructions All the safety and operating instructions should be read before the product is operated 2 Retain Instructions The safety and operating instructions should be retained for future re
5. Overloading Do not overload wall outlets extension cords or integral convenience receptacles as this can result in a risk of fire or electric shock 19 Object and Liquid Entry Never push objects of any kind into this product through openings as they may touch dangerous voltage points or short out parts that could result in a fire or electric shock Never spill liquid of any kind on the product 20 Servicing Do not attempt to service this product yourself as opening or removing covers may expose you to dangerous voltage or other hazards Refer all servicing to qualified service personnel 21 Damage Requiring Service Unplug this product from the wall outlet and refer ser vicing to qualified service personnel under the following conditions a The power supply cord or the plug has been damaged or b Objects have fallen onto or liquid has been spilled into the product or c The product has been exposed to rain or water or d The product does not operate normally when following the operating instructions Adjust only those controls that are covered by the operating instructions as an improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to its normal operation or e The product has been dropped or damaged in any way or f The product exhibits a distinct change in performance this indicates a need for service 22 Repla
6. al peaks We do not recommend sustained operation at these maximum power levels Occasional refinements may be made to existing products without notice but will always meet or exceed original specifications unless otherwise stated Trademark of Dolby Laboratories DTS is a registered trademark of Digital Theater Systems Inc OWNER S GUIDE PRODUCT LINE STUDIO SERIES nuneer O 412P NUMBER DESIGN GOAL Bring the thrill of live performance and movie sound to the home environment by calling on J BL s professional engineering leadership TWEETER TYPE Pure titanium dome with EOS waveguide UB PRO SOUND COMES HOME J BL Consumer Products 250 Crossways Park Drive Woodbury NY 11797 8500 Balboa Boulevard Northridge CA 91329 800 336 4 BL 4525 USA only www jbl com WOOFER TYPE Cast aluminum basket with HeatScape motor structure J 1999 J BL Incorporated CROSSOVER NETWORK Straight Line Signal Path SSP PORT DESIGN FreeFlow flared J BLis a registered trademark of J BL Incorporated Part No S412P 0 G PROFESSIONAL REFERENCE Studio Monitor H A Harman International Company
7. ay have inverting inputs which reverse the polarity of the signal between the inputs and outputs of the amplifier To check if this is the case reverse the speaker con nections for ALL 412Ps in your system and disconnect any other speakers in the system so that the receiver amplifier s connector is connected to each 412P s black stripe speaker connector If you do this and the S412Ps function properly bass increases as you turn your LFE Subw oofer level control knobs clockwise your receiver amp uses inverting inputs This is not a problem Simply connect all of the speakers in your system the same way with the receiver or amplifier s terminal to the speaker s terminal and the receiver or amplifier s terminal to the speaker s terminal SPECIFICATIONS 5412P Maximum Recommended Amplifier Pow er Pow ered Subw oofer Amplifier Output Nominal Impedance Sensitivity 2 83V 1m Frequency Response 3dB Crossover Frequencies High Frequency Transducer Midrange Transducer Midbass Transducer Low Frequency Transducer Dimensions H x W x D Weight per speaker 250W 200W 8 Ohms 91dB 32Hz 20kHz 200Hz 850Hz 3500Hz 1 Pure titanium dome 4 PolyPlas cone 6 PolyPlas cone 12 PolyPlas cone 44 x 16 x 13 3 8 1118mm x 406mm x 340mm 86 Ib 39 1 kg The maximum recommended amplifier power rating will ensure proper system headroom to allow for occasion
8. car or office you will once again choose J BL Please take a moment to complete the enclosed profile card It enables us to keep you posted on our latest advancements and SPEAKER PLACEMENT Proper placement of the speakers is an important step in obtaining the most realistic sound stage possible These recommendations are for MODEL 412P the optimum placement of the loudspeakers Use them as a guide Slight variations will not diminish your listening pleasure All of the Studio Series Q Q 40 60 Wore UN o Oba o Oba Wy This model is shipped with four self adhesive nonskid pads that are to be used if the loudspeaker is placed ona smooth surfaced floor such as tile or hardwood Gently lay the speaker on its side not its front or back on a soft Without pad o With pad nonabrasive surface Attach each pad to the bottom of its foot in the widest portion of the recessed area DO NOT attach the pads if the speaker will be placed on carpeting helps us to better understand our customers and build products that meet their needs and expectations J BL Consumer Products loudspeakers are video shielded and can safely be placed near a television NEVER drag the speaker to move it as this will damage the pads the feet and or the wood cabinet itsel
9. cement Parts When replacement parts are required be sure the service technician has used replacement parts specified by the manufacturer or that have the same characteristics as the original part Unauthorized substitutions may result in fire electric shock or other hazards 23 Safety Check Upon completion of any service or repairs to this product ask the service technician to perform safety checks to determine that the product is in proper operating condition 24 Wall or Ceiling Mounting The product should be mounted to a wall or ceiling only as recommended by the manufacturer 25 Heat The product should be situated away from heat sources such as radiators heat registers stoves or other products including amplifiers that produce heat Antenna Lead In Wire Ground Clamp Antenna Discharge Unit NEC Section 810 20 Grounding Conductors NEC Section 810 21 Electric Service Equipment Ground Clamps Power Service Grounding Electrode System NEC Art 250 Part H Part No J BLULB 6 96 THANK YOU For more than 50 years J BL has been involved in every aspect of music and film recording and reproduction from live performances to the recordings you play in your home car or office We re confident that the J BL loudspeakers you have chosen will provide every note of enjoyment FOR CHOOSING JBL that you expected and that when you think about purchasing additional audio equipment for your home
10. eaker is also equipped with a line level Low Frequency Effects LFE Subw oofer input for superior performance with digital 5 1 surround formats The 1 LFE channel contains additional low frequency information not found in the left and right front channels The LFE input works with the full range speaker level input to provide the dynamics and RECEIVER AM PLIFIER SUBWOOFER OUT Y Connector not included one RIGHT effects that your favorite filmmakers intended You will need to use a Y Connector not included with one male connector and two female connectors to connect the line level subwoofer output on your receiver amplifier to the LFE Subwoofer inputs on the S412P speakers Plug the male connector into the subwoofer output on your receiver or amplifier and connect each of the 7 LFE IN e RIGHT 8412P two female connectors to extension RCA patch cords Then plug each patch cord into the LFE Subw oofer input of the left and right S412P speakers Note If your receiver has separate left and right line level subwoofer or LFE output jacks you do not need to use a Y Connector AMPLIFIER CONTROLS LFE Level Control Allows you to adjust the volume of the low frequency effects subwoofer channel to suit your room acoustics or tastes However it only affects the LFE signal If you are not using the LFE input the LFE level control will not operate Configuring Your Receiver You sho
11. f Always lift the speaker and carry it to its new location SPEAKER CONNECTIONS CONNECTION TIPS Speakers and electronics terminals have corre sponding and terminals It is important to connect both speakers identically on the speaker to on the SPEAKER LEVEL CONNECTIONS amplifier and on the speaker to on the amplifier Wiring out of phase results in thin sound weak bass anda poor stereo image Your 412P speakers should be connected to your receiver in two ways at speaker level and line level in order to achieve the best performance especially when listening to program material recorded in digital 5 1 formats such as Dolby Digital and DTS Connect the left front and Speaker Outputs right front speaker terminals on your receiver or amplifier to the 5 way binding posts on the back of each S412P speaker Remember to maintain the correct polarities to and to The S412P uses a red binding post for and black for _ These connections will provide full range sound to all four transducers and you should ALWAYS make these connections If your receiver or amplifier does not have a line level subwoofer output then you do not need to make any other connections and you should skip to the section titled Amplifier Controls LINE LEVEL CONNECTIONS LFE IN e LEFT 8412P Each 412P sp
12. ference 3 Heed Warnings All warnings on the product and in the operating instructions should be adhered to 4 Follow Instructions All operating and use instructions should be followed 5 Cleaning Unplug this product from the wall outlet before cleaning Do not use liquid cleaners or aerosol cleaners Use a damp cloth for cleaning 6 Attachments Do not use attachments not recommended by the product manufacturer as they may cause hazards 7 Water and Moisture Do not use this product near water for example near a bathtub wash bowl kitchen sink or laundry tub in a wet basement or near a swimming pool and the like 8 Accessories Do not place this product on an unstable cart stand tripod bracket or table The product may fall causing serious injury to a child or adult and serious damage to the product Use only with a cart stand tripod bracket or table recommended by the manufacturer or sold with the product Any mounting of the product should follow the manufacturer s instructions and should use a mounting accessory recommended by the manufacturer 9 A Product and Cart Combination Should Be Moved with Care Quick stops excessive force and uneven surfaces may cause the product and cart combination to overturn 10 Ventilation Slots and openings in the cabinet are provided for ventilation and to ensure reliable operation of the product and to protect it from overheating and these openings must not be
13. is labeled On Off and has two positions Placing the switch in the Auto position puts the amplifier in Standby mode In this mode the speaker will be able to automatically sense an incoming signal which will trigger it to turn fully on The speaker will also automatically switch itself back into Standby mode after approximately 10 to 15 minutes have passed without its sensing a signal We recommend that you leave this switch in the Auto position for most applications If you will be away from home or not using your speakers for an extended period of time you should turn the speakers off by using the main power switch The M anual position will bypass the auto sensing feature and leave the amplifier on until turned off with the main switch or returned to S412P LFE IN LFE LEVEL oc e Min Max GREEN ON LED on A OFF ON OFF ON MANUAL 7 AUTO OFF POWER F designed to be ite warm CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE AVERTISSEMENT POUR PR VENIR LES RISQUES DINCENDIE OU DE CHOC ELECTRIQUE EVITER D EXPOSER CET APPAREIL ALA PLUIE OU A LHUMIDITE auto sensing by choosing the auto position LED Indicators When your speaker is turned on but is not receiving a signal the LEDs glow red to let you know that your speaker is
14. uld be unplugged from the outlet when left unused for long periods of time 15 Outdoor Antenna Grounding If an outside antenna or cable system is connected to the product be sure the antenna or cable system is grounded so as to provide some protection against voltage surges and built up static charges Article 810 of the National Electrical Code ANSI NFPA 70 provides information with regard to proper grounding of the mast and supporting structure grounding of the lead in wire to an antenna discharge unit size of grounding conductors location of antenna discharge unit connection to grounding electrodes and requirements for the grounding electrode See Figure 1 16 Lightning For added protection for this product during a lightning storm or when itis left unattended and unused for long periods of time unplug it from the wall outlet and disconnect the antenna or cable system This will prevent damage to the product due to lightning and power line surges 17 Power Lines An outside antenna system should not be located in the vicinity of overhead power lines or other electric light or power circuits or where it can fall into such power lines or circuits When installing an outside antenna system extreme care should be taken to keep from touching such power lines or circuits as contact with them might be fatal Figure 1 Example of Antenna Grounding as per National ElectricalCode ANSI NFPA 70 er 18
15. uld choose the Large or Wide option for the left and right front speakers so that full low frequency information will be sent to the 412P speakers M ake sure that you also configure your receiver for Subwoofer On or LFE On In this case the LFE Subwoofer signal will consist only of the 1 bass channel The LFE signal level can be adjusted by using the LFE level on the 5412P amplifier panel For initial setup you should set the level controls on both speakers at minimum full counterclockwise rotation With 5 1 source material playing advance the level controls on each speaker slowly until the desired amount of effects channel is present This is a rather subjective adjustment and should be made using a variety of program materials If you choose you can use the Small or Narrow setting on your receiver In this case all of the information below 80Hz will be fed to the LFE Subwoofer input on the S412P Now the level control operates through out the entire bass spectrum below 80Hz not just within the 1 channel portion This configuration is generally unnecessary but in certain room placement conditions it allows greater bass level control Power Switches The main Power switch is simply marked On and Off Turn this switch on to commence operation of the powered amplifier after you have plugged the power cord into an AC outlet The second switch
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