JBL AVA7 Stereo Amplifier User Manual
Contents
1. side of the speaker to the red terminal and the side to the black terminal Wire the speakers with the proper polarity reversing any speaker s connections will not damage either the speaker or the amplifier but will result in poor low frequency per formance and imprecise imaging WARNING Terminals marked with the flash symbol are hazardous when live External wiring connected to those ter minals requires installation by trained personnel and the use of ready made lead cords NOTE The minimum load impedance that this amplifier can handle safely is 8 ohms per channel Using lower imped ance loads can damage the unit and will void your warranty Wire Run Length Minimum Gauge Up to 20 6m 16 Up to 50 15m 14 Up to 100 30m 12 5 External Fuses The AC mains fuse is located on the back panel of the amplifier This fuse will not blow unless the amplifier is asked to produce more power than its design allows for a prolonged period or to prevent excessive current draw that could damage internal components during a fault condition The amplifier has been designed to operate under virtually all conditions Even momentary short circuiting of the output speaker connections will not ordinarily damage the output circuitry although this will activate internal protection circuitry and could cause one or more of the channels to temporarily mute until the circuit automatically resets es Fuse Repla2. does not turn on Neither the red nor blue indicator lights are on Make sure that the amplifier is plugged in and verify that there is the proper voltage at the wall outlet Make sure the Main Switch on the rear panel is in the On position Problem The Standby Indicator lights red but it does not change to blue when the Power Switch is depressed If the amplifier is being used in a JBL Performance Series system make sure that the surround processor is turned on the Main Switch is in the On position and there is a connection between the AVA7 s Trigger Input and another device providing a power on voltage trigger Refer to the CON NECTING YOUR SYSTEM section for reference If the amplifier is not being used with a JBL Performance Series AV1 or any other source providing a power on trigger voltage signal make sure that no connection is made to the Trigger Input of the AVA7 Problem There is no sound from the speakers but the amplifier is on Standby Indicator is lit in blue 1 Make sure that the surround proces sor or equalizer is on and that the correct source has been connected and selected 2 Make sure that the correct outputs are connected from the surround processor or equalizer to the amplifier 3 Make sure that the speakers are connected to the correct terminals Check for short circuits at both ends of the speaker cables Problem Not all of the amplifiers turn on in
3. 21 Electric Service Equipment Ground Clamps Power Service Grounding Electrode System NEC Art 250 Part H HCGUL1492 6500 04 2004 EN INTRODUCTION AND FEATURES INTRODUCTION Congratulations on your purchase of this JBL Performance Series AVA7 power amplifier You have purchased a product that embodies the best of what JBL has learned about the emotional power of audio reproduction in more than fifty years of preeminence in the field This amplifier has been designed and crafted to provide the user with a high level of sonic performance Special attention has been paid to min imizing the number of components in the audio signal path resulting in extremely low distortion excellent transient response and wide dynamic range JBL products set new bench marks in audio technology and when used as part of a complete JBL Performance Series system will bring the ambience and acoustics of some of the world s greatest concert halls and theaters into your home To obtain the best performance from this amplifier please be sure to completely read this user s manual and use the AVA7 only in accordance with its instructions FEATURES The JBL Performance Series AVA7 power amplifier features the following Full Seven Channel Operation The AVA7 has been designed to inte grate well into the world of multichan nel audio It is designed to reproduce the latest development in home theater audio rear channels in additi
4. IGG TYPE OF FUSE AND RATING UN FUSBLE DE RECHANGE DE 1 WARNING FOR CO MPGNY REPLACE ONLY WITH S MAIN SWITCH cLass2 WIRING MADE IN USA RNING TO REDUCE THE RISK OFF OSE THIS APPLIANCE TO RAIN OR IMPEDANCE 8 OHMS If the AVA7 is used with another com ponent other than the AV1 that uses a trigger for automatic turn on and turn off make sure the other component s output is between 3 and 24 volts DC Connect the trigger output jack on the other component to the 1 8 3 5mm Trigger Input Jack on the AVA7 using one of the cables included with the AVA7 Whenever a power on trig ger is used to operate the AVA7 make sure that the AVA7 s Main Switch O and Power Switch are both in the On position Since the front panel Power Switch on the AVA7 is a low throw switch sometimes it may be dif ficult to confirm whether this switch is in the On or Standby position To ensure that this switch is in the On position disconnect the trigger input cable from the AVA7 make sure the Main Switch is still on and then press the Power Switch until its LED Standby Indicator glows blue Then reconnect the trigger cable to the AVA7 Trigger Input If the Trigger source JBL Performance AV1 or another source unit featuring power on trigger is on the AVA7 s LED Standby Indicator will continue to glow blue If the Trigger source is off or in standby the AVA7 will also go in
5. JBL PERFORMANCE SERIES OWNER S GUIDE AVAT HIGH PERFORMANCE 7 CHANNEL POWER AMPLIFIER JBL AVA7 POWER AMPLIFIER 3 Important Safety Precautions 4 Introduction and Features 5 Operation and Controls 7 Connecting Your JBL Performance Series System 9 Installing the AVA7 10 Troubleshooting 11 AVA7 Specifications JB READ Fl RST IMIPORTANT SAFETY PRECAUTIONS CAUTION DO NOT OPEN CAUTION To reduce the risk of electric shock do not remove cover or back No user serviceable parts inside Refer servicing to qualified service personnel CAUTION To prevent electric shock do not use this polarized plug with an extension cord receptacle or other outlet unless the blades can be fully inserted to prevent blade exposure 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 these instructions 2 Keep these instructions 3 Heed all warnings 4 Follow all instructions 5 Do not use this apparatus near water 6 Clean only with a dry cloth 7 Do not bl
6. cement To remove the fuse turn off the power switch and disconnect the power plug from the AC mains Remove the fuse holder by lifting up the latch at the bottom and pulling the holder out When looking at the fuse holder as installed on the back panel the fuse on the right hand side is the active fuse The fuse on the left is a spare Remove the fuse on the right side and visually inspect it to see whether it has opened if it has discard it and replace it with the spare glass fuse Reinstall the holder and reconnect the AC mains If after replacing the fuse the unit is your JBL dealer WARNING Always unplug the 1 before removing any fuse IMPORTANT higher rating than the one specified on the back panel of the amplifier or in the 6 Main Switch Place this switch in the On position at inoperative service is required contact amplifier from the AC mains Never install a fuse that has a A owner s manual all times during normal use 7 Trigger Input and Output Jacks When using the AVA7 amplifier in a JBL Performance Series system with the AV1 Digital Surround Processor you will need to use the trigger cable set included with the AV1 Connect the DIN end of the cable to the Trigger Output DIN jack on the rear panel of the AV1 and connect the 1 8 3 5mm plug to the Trigger Input Jack on the rear panel of the AVA7 UBL lt EPROPER SPEAKER Legrorgusme MINIM D ATTENTION UTILISER
7. e MINIMUM IMPEDANCE 8 OHMS EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE SERIAL NUMBER 125 V 60 Hz PS1400 or other powered subwoofer For Future Expansion Subwoofer Input Trigger Input INSTALLING THE AVA7 Installation of the AVA7 is a straight forward process IMPORTANT The amplifier must be installed following the directions described 4 Starting with the bottom two screw holes and using two of the rack screws and plastic washers if sup plied with your rack secure the AVA7 into the rack It may be neces sary to have a helper hold up the bottom mounting screws are installed move to the top mounting screws Once done check and tighten all four screws Always use all four screws when mounting any equipment below To ensure adequate perform ance and safety never install the amplifier with less free space around the amplifier than what is specified Always put amplifiers on the bottom of a stack Heavy equipment should not be sup ported solely by the front mounting locations It is recommended that addi tional rear support be used ao 1 The JBL Performance Series AVA7 power amplifier has been designed to be mounted in EIA standard racks or stacked freestanding as long as there is 4 inches 10cm of free space around the amplifier sides and rear If the AVA7 is being mounted in a rack it is suggested that its feet be removed prior to installation If the AVA7 wil
8. e large instanta neous current demand and possible circuit breaker tripping that may occur should more than one amplifier turn on at the same instant Quiet Cooling The AVA7 utilizes two fans to cool the amplifier channels ensuring long term reliability To reduce fan noise to an absolute minimum a thermal sensing and control circuit which senses increases in temperature within the amplifier and powers the fans at a speed proportional to that temperature increase has been incorporated in the JBL Performance Series AVA7 As a result the fan is never turning faster than necessary and most of the noise that is generated is masked by the pro gram being listened to Comprehensive and Isolated Circuit Protection The AVA7 amplifier employs sophisti cated protection circuitry one for each channel that senses many possible fault conditions such as shorted loudspeaker wires or excess power demand and turns the affected channel s off until the fault condition is removed at which time normal operation is automatically restored While protection of this sort is not uncommon in today s well designed amplifiers a remarkable feature of the JBL Performance AVA7 s protection cir cuits is that they are optically coupled to the signal circuit there is no direct electrical connection between the sig nal path and the protection circuitry As a result there can be no coloration of the music no interaction between pro tectio
9. ies PS1400 powered subwoofer module you may use the amplifier included in each module If you are using a pas sive subwoofer you will need to supply a subwoofer amplifier All seven chan nels on the AVA7 are to be used for driving the left center right both side and both rear speakers Use the simplified connection diagram on page 8 to help you understand how to connect the AVA7 amplifier to a JBL Performance Series system This dia gram is intended to show the signal flow through the system For more detail in making these connections please refer to the owner s manual for the AV1 Surround Processor Connect DIN and audio video cables between system components as shown on the following pages Make sure that on all power amplifiers the main and standby power switches are in the On position Operated in this mode all of the components will turn on with one touch of the power button on the sur round processor s remote control When connecting the source compo nent such as a DVD player to the AV1 processor choose either a coaxial or an optical digital audio connection but not both As a backup or if analog recordings might be desired in the future you may also make the left and right analog audio connections In addition to the audio connections select one of the following video con nections but not more than one com posite video S video or component video Remember to make the corre sponding video monito
10. in or moisture does not operate normally or has been dropped 15 Do not use attachments not recom mended by the product manufacturer as they may cause hazards 16 This product should be operated only from the type of power source indi cated 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 17 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 ground ing of the lead in wire to an antenna discharge unit size of grounding con ductors location of antenna discharge unit connection to grounding elec trodes and requirements for the grounding electrode See Figure A Figure A Example of Antenna Grounding as per National Electrical Code ANSI NFPA 70 18 An outside antenna system should not be located in the vicinity of over head 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 touchi
11. l be stacked with other components use the feet that came attached to the unit This will ensure that there is suf ficient air space underneath so that heat can be dissipated effectively Two rack ears are included with the AVAT7 To install these rack ears remove the four machine screws on each of the two side panels see drawing hold each rack ear in place and attach it to the AVA7 using the same four screws Make sure that these screws are securely tightened rear of the unit until you have started the threads of the screws Once the So Side view of amplifier without rack ear Side view of amplifier with rack ear attached N Make sure that the amplifiers are located in a well ventilated cool area Be certain that the side and rear panels are not obstructed as the cooling fan brings air in from the rear and expels it at the sides It is very important not to obstruct the airflow from the rear panel heat buildup and premature failure may occur If the amplifier is installed inside a cabinet that is enclosed on all sides the front of the cabinet must remain open to allow sufficient flow through ventilation to avoid overheating 3 Using a helper to guide the unit into the rack gently slide the AVA7 into place Align the rack mounting holes to the rack ears of the equipment rack Front view of amplifier with rack ear attached TROUBLESHOOTING Problem Amplifier
12. n and amplification until certain thresholds are exceeded at which point the channel s would turn off completely OPERATION AND CONTROLS YBL PERFORMANCE L AVA7 7 Channel Power Amplifier LT 1 Power Switch Pushing this button is all that is required to turn on the AVA7 if it is not part of a JBL Performance Series system and the Main Switch is in the On posi tion If the amplifier is used as part of a JBL Performance Series system the Main Switch and the front panel push button Power Switch should both be left in the On position The amplifier will then turn on when the surround processor is activated See the descriptions of the Main Switch and Trigger Jacks for more informa tion on turning on the AVA7 2 Standby Indicator This indicator on the front panel Power Switch will glow red when the amplifier is in the standby mode whether operating as part of a JBL Performance Series system or not When the AVA7 is in the on mode this light will turn blue 3 Input Jacks Ch 1 Through Ch 7 Seven of the output signals from the JBL Performance Series AV1 digital processor are connected to the seven input jacks We suggest the channels be assigned as follows Ch 1 Right Rear Ch 2 Right Side Ch 3 Right Front Ch 4 Center Ch 5 Left Front Ch 6 Left Side Ch 7 Left Rear 4 Speaker Terminals Connect the speakers to these termi nals following the normal convention wire the
13. ng such power lines or cir cuits as contact with them might be fatal 19 Do not overload wall outlets exten sion cords or integral convenience receptacles as this can result in a risk of fire or electric shock 20 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 21 The apparatus shall not be exposed to dripping or splashing and no objects filled with liquids such as vases shall be placed on the apparatus 22 Do not attempt to service this prod uct yourself as opening or removing covers may expose you to dangerous voltage or other hazards Refer all serv icing to qualified service personnel 23 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 24 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 25 The product should be mounted to a wall or ceiling only as recommended by the manufacturer Antenna Lead In Wire Ground Clamp Antenna Discharge Unit NEC Section 810 20 Grounding Conductors NEC Section 810
14. ock any ventilation openings Install in accordance with the manufacturer s instructions 8 Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat 9 Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third ground ing prong The wide blade or the third prong is provided for your safety If the provided plug does not fit into your out let consult an electrician for replace ment of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 11 Only use attachments accessories specified by the manufacturer 12 Use only with the cart stand tripod bracket or table specified by the manufacturer or sold with the appara tus When a cart is used use caution when mov ing the cart apparatus combination to avoid injury from tip over 13 Unplug this apparatus during light ning storms or when unused for long periods of time 14 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to ra
15. on to side channels to produce a truly enveloping sound field When coupled with a high quality subwoofer amplifier it is a solid foundation on which to build a high performance home cinema system that will astound the listener with its power and realism High Power Capability The AVA7 provides a satisfying 125 watts per channel of distortion free audio lt 0 01 THD into 8 ohms Because of their power capabilities JBL Performance Series amplifiers have an extremely wide dynamic range an element critical to realistic home cinema Sound levels equal to those at original performances are easily re created in even the largest of home listening environments Auto Turn On and Power Sequencing Circuitry When used in a JBL Performance System the AVA7 can be turned on automatically whenever the surround processor is activated No longer do you have to get out of that chair to turn on the various pieces of equipment in your entertainment system just one touch on the remote control of the sur round processor and you re a few sec onds away from a truly impressive audio presentation Modern amplifiers produce more power per channel and frequently have more channels than those of the traditional two channel stereo era Due to the high current demands of power amplifiers at the instant of turn on the AVA7 amplifier is equipped with a power sequencing circuit that turns on each amplifier in a delayed sequence avoiding th
16. r output connec tion from the AV1 to your video display device SUGGESTED RACK MOUNTING ORDER YBL PERFORMANCE Top 4 awa lo o 0 9 6 6 Mo M PEE Al at PERFORMANCE 2 ti AVA7 7 Channel Power Amplifier A AVA7 WIRING DIAGRAM S P DIF INPUTS i COMPONENT VIDEO qd WS VIDEO fo ea A 5 AN1 Digital Surround Processor Controller IBL JBL Inc Northridge CA Designed in USA ee 20 S VIDEO EAR AG CAUTION ISK OF ELECTRIC SHOCK Do NOT OPEN A ATTENTION RISQUE DE choc ELEETRIGUE ME PAS OUVRIR RS 232 AUDIO AAT Power Ajit a PERFORMANCE SERIES PLi H Harman International Company MAAC Onr nN E EEOAE PS aaae a oc ar UBL 24 DC 12VDC OMO O kO rO xO EF OG ODDDDDDDDDDDDDDDDDDDDD00D00DD000000000000000000000000000 ASNT Ae00000000000000000000000000000000000000000000000000000000 x O0000000000000000000000000000000000000000000000000000000 CLASS 2 WIRING JANGER D ELECTROCUTION NE PAS OUVRII MADE IN USA a A CAUTION Pate aban WARNING HAZARDOUS ENERGY MAKE PROPER SPEAKER WARNING TO REDUCE THE RISK OF FIRE DONOT Do Nor OPEN CONNECTIONS SEE OPERATING MANUAL BEFORE UsIN
17. the system 1 Make sure that all required cables are connected between system components Refer to the CON NECTING YOUR SYSTEM section 2 Make sure that each amplifier has its Main Switch in the On position 3 Make sure the Power Switch on each amplifier is in the On position so that its Standby Indicator is lit in blue when the cable is removed from its Trigger Input Jack Problem nsufficient sound output level from the speakers Check that the output levels of the sur round processor or equalizer are set properly Problem Insufficient bass Verify that the speakers have been wired to the amplifier with the correct polarity Problem Audible hum from the speakers 1 Check the power outlets and make sure that there is a solid earth ground present The services of an electrician may be required 2 Make sure that all signal cables are routed away from power cords 3 If these suggestions fail experiment by running ground wires between the rear panel screws of the ampli fiers and the other system compo nents such as the surround proces sor or signal processing package If you still encounter difficulty after trying the above suggestions call your JBL Authorized Dealer or JBL at 1 516 255 4JBL for further assistance AVA7 SPECIFICATIONS Rated Power Output 125W per channel into 8 ohms all channels driven THD lt 0 01 20Hz 20kHz Input Impedance 20k ohms Sensiti
18. to standby and its LED Standby Indicator will turn red Once this setup is complete the AVA7 will automatically turn on and off along with the source unit If you wish to have other components in your system turn on via trigger make sure they are compatible with the 1 8 3 5mm 12 volt DC Trigger Output Jack on the AVA7 If they are you may connect the Trigger Output Jack to the first component s trigger input using one of the cables included with the AVA7 and then connect all compo nents in daisy chain fashion 12V DC voltage at the AVA7 Trigger Output Jack becomes available approxi mately two seconds after the AVA7 receives a 12V DC trigger input signal This is done to prevent high current draw on your home s AC mains supply which could be caused by multiple high power audio components turning on at the same time 8 AC Inlet Your AVA7 is shipped with an IEC type removable power cord that mates with the AC inlet on the rear panel To ensure proper operation use the supplied power cord This amplifier is NOT a multivoltage unit using a power cord that is not compatible with a 120V 60Hz AC wall receptacle will void the warranty CONNECTING YOUR JBL PERFORMANCE SERIES SYSTEM GENERAL INFORMATION A JBL Performance Series system installation incorporates one power amplifier in addition to the amplifier s used to power one or more sub woofers If your speaker complement includes the JBL Performance Ser
19. vity 1V in 100 watts out Frequency Response at 1W 20Hz 20kHz 0 0 25dB S N Ratio A weighted at rated power 100dB Damping Factor 8 ohms 2380 Power Bandwidth 1 THD 10Hz 100kHz 0 3dB Intermodulation Distortion lt 0 03 Dimensions H x W x D 5 1 2 x 17 5 16 x 16 1 4 140mm x 440mm x 413mm Net Weight 55 5 Ib 25 19kg Packaged Weight 65 5 Ib 29 73kg All features and specifications are subject to change without notice JBL Consumer Products 250 Crossways Park Drive Woodbury New York 11797 USA www jbl com 2005 Harman International Industries Incorporated All rights reserved Part No 34 JBL 0015 6 05 H A Harman International Company
Download Pdf Manuals
Related Search