Infinity Reference 5350a
Contents
1. Left Speaker Right Speaker Subwoofer INSTALLATION AND SETUP Refer to the illustrations on the previous pages for control location Reconnect the negative lead to the vehicle s battery Apply power to the audio system and play a dynamic music track SETTING THE CROSSOVER S Determine your system plans and set the crossover mode switch accordingly If your system design does not include a subwoofer set the crossover mode to FULL and skip to Setting Input Sensitivity If your system includes a subwoofer set the crossover mode to HP high pass for your full range speakers Adjust the crossover frequency to limit bass and provide increased system volume with less distortion Mode Switch Full Allows a full range signal through to the speakers can be used with larger full range speakers such as 6 x 9 s HP Allows a high pass signal through to the speakers should be used with most loudspeakers can protect your full range speakers from being overdriven with low frequencies one cause of speaker damage LP Allows only bass to pass through to the speakers should be selected when powering subwoofers High Pass Filters Initially set the crossover frequency control midway While listening to music adjust the crossover for the least perceived distortion from the speakers allowing them to reproduce as much bass as possible Low Pass Filters For subwoofers choose the highest frequency that remov2. mark and drill holes in the mounting surface Attach the REMOTE LEVEL control using the mounting screws provided Figure 11 Figure 11 Under dash mounting of the REMOTE LEVEL control SUB LEVEL 2 pow Route the cable behind the dash or other interior panels and under the carpet Do not route the cable outside the vehicle Connect the RJ11 cable between the RJ11 receptacle on the amp and the receptacle on the REMOTE LEVEL control Figure 12 Figure 12 REMOTE LEVEL control electrical connection Control Cable Rear View of Remote Level Control SETTING THE BASS BOOST The Bass Boost control will allow you to enhance the bass output of your system at 50Hz up to 6dB AUX OUTPUT Reference amplifiers except 5350a are equipped with full range outputs that can be used to connect additional amplifiers STATUS LEDs Power Indicates the amplifier is on Protection Refer to Troubleshooting for specific indications Figure 13 LED status PROTECT POWER Wlnfinity TROUBLESHOOTING PROBLEM No audio POWER LED is off CAUSE and SOLUTION No voltage at BATT and or REM terminals or bad or no ground connection Check voltages at amplifier terminals with VOM PROBLEM No audio PROTECT LED glows red CAUSE and SOLUTION DC voltage on amplifier output Amplifier may need service see enclosed warranty card for service
3. Lebherz l o Infinity is a trademark of Harman International Industries Incorporated registered in the United States and or other countries Harman Consumer Group International Chateau du Loir France 1 07 TECHNOLOGY PERFORMANCE DESIGN Hl A Harman International Company
4. Output Figure 5 475a connected to full range speakers Note crossover and channel assignment settings o OUTPUT REAR FRONT BASS FULL BASS 25 FREO M FREQ Pa S O INPUT INPUT a LEVEL 0dB 6dB 32Hz 320Hz LEVEL 32Hz 320Hz REMOVE U U E LEFT RIGHT MIN MAX MIN MAX LEFT RIGHT STEREO FOR STEREO IMS INPUT 6 To Head Unit Front Output O SPEAKER OUTPUT POWER BRIDGED BRIDGED FUSES ro OL 6 O Qu O Front Speakers Rear Speakers To Head Unit lt Rear Output Figure 6 475a connected to four satellite speakers and used in conjunction with an additional subwoofer amplifier or powered subwoofer Note crossover and channel assignment settings OUTPUT REAR FRONT BASS FULL FULL BASS BOOST FREO LPF E Hr pr HPF FREQ BOOST tk iS eo 0d 6dB 32Hz 320Hz NPT heed 32Hz 320H z 0dB 6dB REMOVE U U a e E LEFT RIGHT MIN MAX MIN MAX LEFT RIGHT STEREO STEREO 1 FOR IMS INPUT fv Sub Amp To Head Unit Front Output O SPEAKER OUTPUT POWER o BRIDGED BRIDGED RO OR RO OR GND REMOTE 12V Front Speakers Rear Speakers APPLICATIONS 475a To Head Unit Sub Output FRONT BASE FULL if FULL HPH pF g Her FREQ BOOST REAR FREQ O O ki Hi OK INPUT INPUT 32Hz 320Hz LEVEL LEVEL
5. the seat adjustments Mount the amplifier so it is not damaged by the feet of backseat passengers Make sure that the amplifier is mounted securely using nuts and bolts or the supplied mounting screws Mount the amplifier so that it remains dry never mount an amplifier outside the vehicle or in the engine compartment The amplifier s trim panel must be removed to gain access to the mounting tabs To remove the panel grasp the ends indicated by arrows and pull upward gently To replace the panel align the fasteners and press downward gently Figure 1 Amplifier s trim panel PULL POWER CONNECTIONS GROUND CONNECTION Connect the amplifier s ground GND terminal to a solid point on the vehicle s metal chassis as close to the amplifier as possible Refer to the chart to the right to determine minimum wire gauge size Sand away any paint from this loca tion use a star type lock washer to secure the connection POWER CONNECTION Connect a wire see chart at right for appropriate gauge directly to the vehicle s positive battery terminal and install an appropriate fuse holder within 18 of the battery terminal Do not install the fuse at this time Route the wire to the amplifier s location and connect it to the amplifier s positive 12V terminal Be sure to use appropriate grommets whenever routing wires through the firewall or other sheet metal Failure to adequately protect the positive wire from pot
6. 32Hz 320Hz OdB 6dB EFT RIGHT MIN MAX MIN MAX LEFT RIGHT STEREO L R STEREO Wlnfinity Figure 7 475a connected in tri mode to a subwoofer and a pair of satellite speakers Note crossover and channel assignment settings O fro Ord POWER GND REMOTE 12V Front Speakers To Head Unit Right REAR FRONT RASE FULL FULL FREO LPF BM Hir mo Hpr FREQ BOOST 9 TAN TA 9 INPUT INPUT G OB 6dB 32Hz 320Hz LEVEL LEVEL 32Hz 320Hz OdB 6dB EFT I RIGHT MIN MAX MIN MAX LEFT RIGHT FO STEREO IMS INPUT O OI LI R STEREO FOR IMS INPUT Subwoofer Figure 8 475a connected in bridge mode to a pair of full range speakers Note crossover and channel assignment settings To Head Unit Left POWER GND REMOTE 12V Left Speaker Right Speaker APPLICATIONS 5350a The 5350a can be configured for 5 channel or 3 channel operation as shown in Figures 9 and 10 INPUT MODE SWITCH e Use INT internal mode to send a signal from the front and rear inputs to the subwoofer e Use EXT external mode when sending a dedicated signal to the subwoofer inputs e g if your source unit has a subwoofer output NOTE Minimum speaker impedance for stereo operation is 2 ohms Minimum speaker impedance for bridged operation is 4 ohms Minimum impedance of any subwoofer or combination of subwoofers is 2 ohms F
7. 45a 5350Ua l300a L1b0Ua OO OO INdNI IndlNO LNdNI SWI XVN NIN 2Ho8 s y soos RENER LNdNI TOYLNOD 134431 ssya ALOWSY f f i fs i i is i i i t i t i Sk IJ i i i aktu i INTRODUCTION THANK YOU for purchasing an Infinity Reference Series amplifier In order that we may better serve You should you reguire warranty service for your new amplifier please retain your origi nal purchase receipt and read the enclosed war ranty information card WARNING Playing loud music in an automobile can hinder your ability to hear traffic and permanently damage your hearing We recommend listening at low or moderate levels while driving your car Infinity accepts no liability for hearing loss bodily injury or property damage resulting from the use or misuse of this product IMPORTANT To get the best performance from your Reference Series amplifiers we strongly recommend that installation be entrusted to a gualified professional Although these instructions explain how to install Reference amplifiers in a general sense they do not show specific installation methods that may be reguired for your particular vehicle If you do not have the necessary tools or experience do not attempt the installation your self Instead please ask your authorized Infinity car audio dealer about professional installation INSTALLATION WARNINGS AND TIPS e Always wear protective eyewe
8. S x 1 channel at 2 ohms 14 4V supply and lt 1 THD N e Dynamic power 117W at 2 ohms e Dynamic power 89W x 4 and 332W x 1 at 2 ohms e Effective damping factor 6 3 at 4 ohms RY e Effective damping factor 6 3 at 4 ohms e Frequency response 10Hz 100kHz 3dB e Frequency response 10Hz 100kHz 3dB e Maximum input signal 6V e Maximum input signal 6V e Maximum sensitivity 100mV gS e Maximum sensitivity 100mV e Output regulation 0 21dB at 4 ohms e Output regulation 0 12dB at 4 ohms e Dimensions L x W x H 14 3 16 x 9 x 2 11 16 361mm x 229mm x 69mm e Dimensions L x W x H 16 9 16 x 9 x 2 11 16 421mm x 229mm x 69mm e Fuse rating 2 x 35A e Fuse rating 2 x 40A e Included 4 mounting screws 2 spare 35A fuses owner s manual warranty card e Included 4 mounting screws 2 spare 40A fuses 1 remote level control 1 remote level control cable RJ11 owner s manual warranty card 1300a e 200W RMS x 1 channel at 4 ohms and lt 1 THD N 1600a e Signal to noise ratio 85dBA reference 1W into 4 ohms e 400W RMS x 1 channel at 4 ohms and lt 1 THD N e 300W RMS x 1 channel at 2 ohms 14 4V supply and lt 1 THD N e Signal to noise ratio 80dBA reference 1W into 4 ohms e Dynamic power 342W at 2 ohms e 600W RMS x 1 channel at 2 ohms 14 4V supply and lt 1 THD N e Dynamic power 894W at 2 ohms e Effective damping factor 6 3 at 4 ohms e Frequency response 11Hz 330Hz 3dB e Maximum input signal 6V e Max
9. ar when using tools e Turn off the audio system and other electrical devices before you start Disconnect the negative lead from your vehicle s battery e Check clearances on both sides of a planned mounting surface before drilling any holes or installing any screws Remember that the screws can extend behind the surface e At the installation sites locate and make a note of all fuel lines hydraulic brake lines vacuum lines and electrical wiring Use extreme caution when cutting or drilling in and around these areas e Before drilling or cutting holes use a utility knife to remove unwanted fabric or vinyl to keep material from snagging in the drill bit e When routing cables keep input signal cables away from power cables and speaker wires e When making connections make certain they are secure and properly insulated e f the amplifier s fuse must be replaced use only the same type and rating as that of the original Do not substitute another kind CHOOSING A LOCATION AND MOUNTING THE AMPLIFIER Choose a mounting location in the trunk or cargo area where the amplifier will not be dam aged by shifting cargo Amplifier cooling is essential for proper amplifier operation If the amplifier is to be installed in an enclosed space make sure there is sufficient air circulation for the amplifier to cool itself When mounting the amplifier under a seat ensure that it is clear of all moving seat parts and does not affect
10. ential damage may result in a vehicle fire When you are done routing and connecting this wire to the battery and to the amplifier you may install the fuse at the battery The fuse value should be selected based on total amplifier current draw see chart at right Figure 2 Terminal connection end plate 10 R O2XXXX j O O OCO0000 O O Vehicle Battery REMOTE CONNECTION Connect the amplifier s remote REMOTE terminal to the source unit s remote turn on lead using a minimum of 18 gauge wire If your source unit does not have a remote turn on connection connect the amplifier s REMOTE terminal to the vehicle s accessory circuit WIRE GAUGE CHART Amplifier Maximum Minimum Model Current Draw Wire Gauge 475a 72A 8 AWG 5350a 75A 8 AWG 1300a 37A 10 AWG 1600a 58A 8 AWG SPEAKER CONNECTIONS Refer to the application guides on the pages that follow Speaker connections should be made using a minimum of 16 gauge wire POWER 12V REMOTE Scrape away paint on vehicle s chassis metal for good connection To Remote Connection of Head Unit APPLICATIONS 1300a AND 1600a The Reference subwoofer amplifiers are single channel amplifiers There are two sets of terminals to make it easy to connect multiple woofers Either set of terminals may be used when connecting woofers To the right are four application diagrams to help plan your subwoofer system installation NOTE For simplicity F
11. es vocal information from the sound of the subwoofer If using the 475a to drive a subwoofer s set the crossover mode to LP low pass on the channels connected to the subwoofer NOTE The 1300a 1600a and the subwoofer output of the 5350a are low pass only and do not have a crossover mode switch SETTING INPUT SENSITIVITY 1 Initially turn the INPUT LEVEL control s to the minimum counterclockwise position 2 On the source unit increase the volume control to 3 4 volume Slowly increase the INPUT LEVEL control s toward three o clock until you hear slight distortion in the music Then reduce the INPUT LEVEL slightly until distortion is no longer heard NOTE After the source unit is on blue LEDs on the top panel will light indicating the amplifier is on If not check the wiring especially the remote connection from the source unit Also refer to Troubleshooting REMOTE LEVEL CONTROL The 1300a 1600a and 5350a include a remote level control This will allow the subwoofer level to be adjusted from the listening position Connect the remote level control using the RJ11 jack on the side of the amplifier Install the control module in the front of the vehicle within easy reach of the driver Both the under side of the dash and the center console are suitable locations UNDER DASH MOUNTING Select a mounting location that allows easy access to the control while driving Using the REMOTE LEVEL control as a template
12. igure 9 5350a connected to four satellite A Unit SLON Rear AT DN speakers and a single subwoofer Note a crossover and channel assignment settings INPUT INPUT SOURCE NPUT L LEVEL FREQ FREQ FRONT REAR LEVEL ES Z sa U G NOTE If head unit has only two preamp outputs MIN MAX 32Hz 320H4 IMS INPUT 32Hz 320Hz do not connect to rear and place rear input source switch in the FRONT position MIN xO N O mu da MIN MAX 20Hz 200Hz 0OdB 6dB INPUT LEVEL LP FREO BASS BOOS A gt O SPEAKER OUTPUT BRIDGED QF BRIDGED d man OsxsQ OrO ORO OO NOTE If head unit includes a separate subwoofer output connect it here and place switch in EXT position Front Speakers Subwoofer To Head Unit Front Output Figure 10 5350a connected in bridge 3 channel mode to a pair of satellite speakers and a subwoofer Note crossover and channel assignment settings FULL INPUTSOURCE INPUT PF FREQ FRONT REAR LEVEL LI HPF REMOVE FOR oHa IMS INPUT h 32Hz 320Hz 00 MIN MAX 20Hz 200Hz OdB 6dB l RETT INPUT LEVEL LP FREQ BASS BOOS FRONT ONTROLJ O SPEAKER OUTPUT BRIDGED g BRIDGED o g Os BO Or O ORO OrO OR NOTE If head unit includes a separate subwoofer output connect it here and place switch in EXT position
13. igures 3 and 4 do not show power remote and input connections Subwoofers or voice coils connected in series FROM AMPLIFIER QO INfiniby REMOVE FOR IMS INPUT REMOTE INPUT LP BASS LEVEL CONTROL LEVEL FREQ BOOST O O MIN MAX 32Hz 320Hz OdB 6dB Figure 3 Reference 1300a or 1600a amplifier with two woofer connections NOTE Minimum impedance of each subwoofer 4 ohms if subwoofers are connected in parallel and 1 ohm if they are connected in series 10 R O2XXXX Subwoofer Subwoofer REMOVE FOR IMS INPUT Figure 4 Reference 1300a or 1600a amplifier with one O woofer connection REMOTE BASS LEVEL CONTROL BOOST MIN MAX 32Hz 320Hz OdB 6dB FUSES 20AX3 10 R O2XXXX NOTE Minimum impedance of subwoofer 2 ohms Subwoofer APPLICATIONS 475a The 475a can be set up for stereo 4 channel 3 channel or bridged 2 channel operation as shown in Figures 5 through 8 NOTE e Minimum speaker impedance for stereo operation is 2 ohms Minimum speaker impedance for bridged operation is 4 ohms e Not all possible applications are shown here e g the applications shown in Figures 5 6 or 8 could include a separate subwoofer driven by an additional amplifier In that case the user should refer to Figure 6 for crossover and sub amp connection suggestions To Head Unit Rear
14. imum sensitivity 100mV e Effective damping factor 6 364 at 4 ohms e Frequency response 11Hz 330Hz 3dB e Maximum input signal 6V e Maximum sensitivity 100mV e Output regulation 0 11dB at 4 ohms e Dimensions L x W x H 14 3 16 x 9 x 2 11 16 361mm x 229mm x 69mm e Output regulation 0 12dB at 4 ohms e Fuse rating 3 x 20A e Dimensions L x W x H 14 3 16 x 9 x 2 11 16 361mm x 229mm x 69mm e Included 4 mounting screws 3 spare 20A fuses 1 remote level control e Fuse rating 3 x 25A 1 remote level control cable RJ11 owner s manual warranty card e Included 4 mounting screws 3 spare 25A fuses 1 remote level control 1 remote level control cable RJ11 owner s manual warranty card Declaration of Conformity CE We Harman Consumer Group International A valid serial number is reguired for warranty coverage 2 route de Tours iji i i s 72500 Chateau du Loir Features specifications and appearance are subject to change without notice France These products are designed for mobile applications and are not intended for connection to the mains declare in own responsibility that the products described in this owner s manual are in compliance with technical standards EN 55013 2001 Infinity Systems 250 Crossways Park Drive Woodbury NY 11797 USA EN 55020 2002 o www infinitysystems com i Y Infinity 2007 Harman International Industries Incorporated All rights reserved Part No REFAMPOM1 07 Klaus
15. information PROBLEM No audio PROTECT LED glows red CAUSE and SOLUTION Amplifier is overheated Make sure amplifier cooling is not blocked at mounting location verify that soeaker system impedance is within specified limits PROBLEM No audio PROTECT LED glows red CAUSE and SOLUTION Voltage less than 9V on BATT connection Check vehicle charging system PROBLEM No audio PROTECT LED glows red CAUSE and SOLUTION Voltage greater than 16V or less than 8 5V on BATT connection Check vehicle charging system PROBLEM Distorted audio CAUSE and SOLUTION Input sensitivity is not set properly or amplifier or source unit is defective Check INPUT LEVEL setting or check speaker wires for shorts or grounds PROBLEM Distorted audio PROTECT LED glows intermittently CAUSE and SOLUTION Short circuit in speaker or wire Remove speaker leads one at a time to locate shorted speaker or wire then repair PROBLEM Music lacks punch CAUSE and SOLUTION Speakers are not connected properly Check speaker connections for proper polarity SPECIFICATIONS 415a 5350a e 75W RMS x 4 channels at 4 ohms and lt 1 THD N e 50W RMS x 4 channels plus 150W RMS x 1 channel at 4 ohms and lt 1 THD N e Signal to noise ratio 85dBA reference 1W into 4 ohms e Signal to noise ratio 85dBA reference 1W into 4 ohms e 90W RMS x 4 channels at 2 ohms 14 4V supply and lt 1 THD N e 60W RMS x 4 channels plus 300W RM
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