JBL CST56 Home Theater System User Manual
Contents
1. 00 jol GT075 2 APPLICATIONS GTO301 1 11 GTO6G01 11 AND GTO1201 1 11 The GTO subwoofer amplifiers are single channel amplifiers There are two sets of terminals to make it easy X OVER to connect multiple woofers Either FREQ set of terminals may be used NA when connecting woofers 32Hz 320Hz X OVER FREQ 32Hz 320Hz To the right are two application diagrams to help plan your subwoofer system installation Figures 2 and 3 show how to configure the GTO subwoofer amplifiers models GT0301 111 GTO601 111 and GT01201 1 1 GTO Amplifier partial end panel GTO Amplifier partial end panel Subwoofer Subwoofer Subwoofer NOTE For simplicity Figures 2 and 3 Figure 2 GTO subwoofer amplifier with two woofer connections Figure 3 GTO subwoofer amplifier with one woofer connection do not show power remote and input connections NOTE Minimum speaker load is 2 ohms APPLICATIONS GTO75 211 The JBL GTO75 211 amplifier can be set up for stereo or bridged mono operation as shown in Figures 4 and 5 a ss HP LP FLAT NOTE For simplicity Figures 4 and 5 ne one do not show power remote and input X OVER HP LP FLAT g 32Hz gt MODE FREQ MODE FREQ connections GT075 2 1 GT075 2 1 o2. THE OFFICIAL BRAND OF LIVE MUSIC INSTALLATION 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 JBL 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 per formance from your JBL Grand Touring Series II amplifiers we strongly recom mend that installation be entrusted to a qualified professional Although these instructions explain how to install GTO amplifiers in a general sense they do not show specific installation methods that may be required for your particular vehicle If you do not have the necessary tools or experience do not attempt the installation yourself Instead please ask your authorized JBL car audio dealer about professional installation INSTALLATION WARNINGS AND TIPS e Always wear protective eyewear 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 Atthe installation sites locate and make a note of all fuel lines hydraulic brake lines v
3. 12dB 0 om MODE INPUT REO vo 32Hz 0 HP O ZO ur Tsmv 30087 o ne FRONT INPUT ma vo 32Hz o He QO fuo Tsmv 300Hzo0 Lge sup J i INPUT BASS LEVEL FREQ BOOST ws azize 2 inr FE meur T5mV 320z o 128 0 ExT MODE gt REAR INPUT LEVEL FREQ wo 32Hz o w El MODE T5mV 320Hz o H r FRONT INPUT LEVEL FREQ REAR INPUT FREQ eve 32Hz o om TSN 32070 E FRONT ROME ea wo 32Hz o O wit amp 750N 3208z o ae INSTALLATION AND SETUP SETTING THE CROSSOVER S Determine your system plans and set the crossover mode switch accordingly If you plan to use the GT075 2 i or GTO75 411 to drive full range speakers set the crossover mode to FLAT and skip to Setting Input Sensitivity 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 Systems using a separate 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 For subwoofers choose the highest frequency that removes vocal information from the sound of the subwoofer If using the GTO75 211 or GT075 4 i to drive a subwoofer s set the crossover mode to LP low pass NOTE The GT0301 111 GTO601 111 GT01201 111 an
4. control This allows you to adjust the bass output of your system at 50Hz up to 12dB and enhance low frequency AUX OUTPUT GTO amplifiers except GT0755 6 i are equipped with full range outputs that can be used to connect additional amplifiers NOTE When using the high level inputs the AUX outputs can be used to pass a line level signal to another amplifier GT075 211 INSTALLING NEON TUBES OPTIONAL 1 Using a Phillips screwdriver remove all screws on the amplifier s output power end panel and set them aside 2 Using a 3 32 inch Allen wrench remove only the screws on the amplifier s top clear cover and set them aside 3 Remove the end panel and slide the cover off Set both parts aside 4 Locate the enclosed hardware bag and remove the four clips Each clip has a square end and a larger round end Using a round end press two clips onto each neon tube e g Street Glow AN9 or equivalent as shown in Figure 13 5 For each tube align both clips so the square ends slide onto an exposed extrusion edge as shown in Figure 9 Do not cover any screw holes When installed correctly each neon tube will sit under an extrusion and not be visible when viewed from directly above 6 Route each neon tube s power cable through its respective NEON hole on the end panel see Figure 13 7 Slide the cover back into place and re install its screws Then replace the end panel and reinst
5. of delivering extremely high power levels and require a heavy duty and reliable connection to the vehicle s electrical system in order to perform optimally See Figure 1 for connection location Please adhere to the following instructions carefully 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 below to determine minimum wire gauge size Scrape away any paint from this location 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 amplifiers 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 potential damage may result in a vehicle fire When you are done routing and connecting this wire you may install the fuse at the battery Remote Connection Connect the amplifier s Remote REM terminal to the source unit s Remote Turn On lead using a minimum of 18 gauge wire NOTE When using the speaker level inputs connect the remote REM terminal to the source unit If your s
6. T p evo 32Hz o 0dB o mO mD aO more Tamo FAT GT075 4 I partial end panel Figure 8 GT075 4 used in bridged 2 channel mode to drive a set of components or subwoofers APPLICATIONS The GT0755 611 can be configured for 6 channel 5 channel or 3 channel operation as shown in Figures 9 through 11 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 For simplicity Figures 9 through 11 do not show power remote and input connections NOTE Minimum speaker impedance for stereo operation is 2 ohms Minimum speaker impedance for bridged operation is 4 ohms GTO755 6 II providing the speaker with more power Left Figure 10 5 Channel operation The same as Figure 9 with the subwoofer output bridged to drive a single 4 ohm subwoofer Figure 11 3 Channel operation GT0755 6 11 amplifier configured for 3 channel operation where all of the channels are GT0755 6 11 partial end panel GT0755 6 I partial end panel GT0755 6 I partial end panel bridged for a subwoofer and a pair of component speakers INPUT LEVEL FREQ BOOST O TO fe TS5S N 320Hz o
7. acuum lines and electrical wiring Use extreme caution when cut ting 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 a 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 If 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 damaged 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 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 Figure 1 Terminal connection end plate POWER CONNECTIONS The GTO amplifiers are capable
8. all its screws 8 Finish the installation of the neon tubes as instructed in their owner s manual GT0301 1 GTO601 111 GTO1201 111 INSTALLATION AND SETUP 2 Ps 7 HL e Tin ae f re Mui e il z e Figure 13 Installing neon tubes in a JBL GTO amplifier TROUBLESHOOTING To Neon Power Supply SYMPTOM LIKELY CAUSE SOLUTION SYMPTOM LIKELY CAUSE SOLUTION No audio No voltage at BATT Check voltages at No audio Voltage more than 16V Check vehicle POWER LED or REM terminals amplifier terminals PROTECT or less than 8 5V on charging system for is off or bad or no ground with VOM LED is on BATT connection defective voltage connection regulator No audio DC voltage on Amplifier may need Distorted audio Input sensitivity is Check INPUT PROTECT LED amplifier output service see enclosed not set properly or LEVEL setting or flashes every warranty card for amplifier or source check speaker wires 4 seconds service information unit is defective for shorts or grounds No audio Amplifier is Make sure amplifier Distorted audio Short circuit in Remove speaker leads PROTECT overheated co
9. d the subwoofer output of the GT0755 611 are low pass only and do not have a crossover mode switch SETTING INPUT SENSITIVITY 1 Initially turn the INPUT LEVEL control s to minimum counter clockwise 2 Reconnect the negative lead to the vehicle s battery Apply power to the audio system and play a dynamic music track 3 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 red 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 on the next page Figure 12 Control end panel REMOTE LEVEL CONTROL The GT0755 611 and all three GTO subwoofer amplifiers have inputs for an optional remote level control RLC This will allow the amplifier s input level to be adjusted from the listening position Connect the optional remote level control using the RJ 11 jack on the side of the amplifier Install the control module in the front of the vehicle within easy reach of the driver Under the dash or in the center console are both suitable locations SETTING THE BASS BOOST The GT0755 6 11 GTO301 111 GTO601 111 and GT01201 111 are all equipped with a bass boost
10. lation 069dB at 4 ohms e Dimensions L x W x H 15 1 8 x 12 5 16 x 2 3 8 e Fuse rating 2 x 30A JBL Consumer Products 250 Crossways Park Drive Woodbury NY 11797 USA 2004 Harman International Industries Incorporated JBL and Grand Touring are registered trademarks of Harman International Industries Incorporated Part No GTOAMPOM12 04 Specifications and appearance are subject to change without notice H A Harman International Company GTO1201 111 e 787W RMS x 1 channel at 4 ohms and lt 1 THD N e Signal to noise ratio 70dBA reference 1W into 4 ohms e 1114W RMS x 1 channel at 2 ohms 14 4V supply and lt 1 THD N e Dynamic power 1339W at 2 ohms e Effective damping factor 6 348 at 4 ohms e Frequency response 10Hz 302Hz 3dB e Maximum input signal 6 1V e Maximum sensitivity 75mV e Output regulation 14dB at 4 ohms e Dimensions L x W x H 18 11 16 x 12 5 16 x 2 3 8 e Fuse rating 3 x 40A GTO755 611 e 60W x 4 channels and 107W x 2 channels at 4 ohms and lt 1 THD N e Signal to noise ratio 79dBA reference 1W into 4 ohms e 80W x 4 channels 150W x 2 channels at 2 ohms 14 4V supply and lt 1 THD N e 160W x 2 channels 300W x 1 channel at 4 ohms 14 4V supply and lt 1 THD N e Dynamic power 117W channels 1 2 3 4 163W channels 5 6 into 2 ohms e Effective damping factor 6 392 at 4 ohms e Frequency response 10Hz 47kHz channels 1 2 3 4 10H
11. oling is not blocked and PROTECT speaker or wire one at a time to locate LED is on at mounting location LED flashes shorted speaker or verify speaker system wire then repair impedance is within Music lacks Speakers are not Check speaker specified limits see punch connected properly connections for Specifications on proper polarity the next page No audio Voltage less than 9V on Check vehicle PROTECT BATT connection charging system for and POWER defective voltage LEDs flash regulator SPECIFICATIONS GTO301 111 e 204W RMS x 1 channel at 4 ohms and lt 1 THD N e Signal to noise ratio 77dBA reference 1W into 4 ohms e 294W RMS x 1 channel at 2 ohms 14 4V supply and lt 1 THD N e Dynamic power 320W at 2 ohms e Effective damping factor 6 39 at 4 ohms e Frequency response 10Hz 302Hz 3dB e Maximum input signal 4 7V e Maximum sensitivity 75mV e Output regulation 098dB at 4 ohms e Dimensions L x W x H 11 5 8 x 12 5 16 x 2 3 8 e Fuse rating 1 x 30A GTO75 211 e 97W RMS x 2 channels at 4 ohms and lt 1 THD N e Signal to noise ratio 82dBA reference 1W into 4 ohms e 145W RMS x 2 channels at 2 ohms 14 4V supply and lt 1 THD N e 290W RMS x 1 channel at 4 ohms 14 4V supply and lt 1 THD N e Dynamic power 190W at 2 ohms e Effective damping factor 6 39 at 4 ohms e Frequency response 10Hz 90kHz 3dB e Maximum input signal 5 5V e Maximum sensiti
12. ource unit does not have a remote turn on connection connect the amplifier s REM terminal to the vehicle s accessory circuit Speaker Connections Refer to the application guides on the pages that follow Speaker connections should be made using a minimum of 16 gauge wire High Level Input Connections The GTO75 211 GTO75 411 and GT0755 6 11 amplifiers are equipped with speaker level inputs that allow you to add an amplifier to head units that do not have RCA line outputs The speaker outputs for the source unit should be connected to the amplifier using the supplied connector square four wire plug Remember to check for proper polarity The GT0301 11 GT0601 111 and GT01201 11 amplifiers are not equipped with high level inputs NOTE When using the high level inputs the AUX outputs can be used to pass a line level signal to another amplifier Wire Gauge Chart Amplifier Maximum Minimum Model Current Draw Wire Gauge GT075 2 34A 8 AWG GT075 4 85A 8 AWG GT0755 611 87A 8 AWG GT0301 111 40A 8 AWG GT0601 111 69A 6 AWG GT01201 111 115A 4 AWG These recommendations assume 7 10 wire runs If your installation differs mark edly you will need to adjust the wire gauge accordingly IMPORTANT NOTE If you are planning to use optional neon tubes install them before making any electrical connections to the amplifier refer to Installing Neon Tubes on page 6 8 eTa
13. partial end panel partial end panel NOTE Minimum speaker impedance for stereo operation is 2 ohms Minimum speaker impedance for bridged operation is 4 ohms Sirake Figure 4 GT075 211 amplifier set up for stereo operation Figure 5 GT075 211 amplifier set up for bridged mono operation APPLICATIONS The GTO75 411 can be set up for stereo 4 channel 3 channel or bridged 2 channel operation as shown in Figures 6 through 8 NOTE For simplicity Figures 6 through 8 do not show power remote and input connections NOTE Minimum speaker impedance for stereo operation is 2 ohms Minimum speaker impedance for bridged operation is 4 ohms GTO75 411 REAR Gapur LEVEL FREQ BOOST wo 32 0 ds o D mD am AZ MODE TSV 320tiz o 128 0 HAr INPUT LEVEL FREQ i vo 32Hzo ORO Fy mone Tm 320Hzo ie GT075 4 1 partial end panel Figure 6 GT075 4 1 amplifier in 4 channel stereo operation to drive front and rear full range speakers Subwoofer REAR INPUT BASS LEVEL FREQ BOOST p wo 32Hz o OdB o OD mD sam O move T5mv 320Hz o 1208 0 H r FRONT pe INPUT LEVEL FREQ i evo 32Hz o A LP MODE TSN 320Hz o na GT075 4 i partial end panel Figure 7 GT075 4 is set up for 3 channel operation to drive a set of full range speakers and a subwoofer REAR INPUT BASS LEVEL FREQ BOOS
14. vity 75mV e Output regulation 098dB at 4 ohms e Dimensions L x W x H 11 5 8 x 12 5 16 x 2 3 8 e Fuse rating 1 x 30A Declaration of Conformity CE We Harman Consumer Group International 2 route de Tours 72500 Chateau du Loir France declare in own responsibility that the product described in this owner s manual is in compliance with technical standards EN 55013 2001 EN 55020 2002 if i Klaus Lebherz Harman Consumer Group International Chateau du Loir France 12 04 GTO601 111 e 424W RMS x 1 channel at 4 ohms and lt 1 THD N e Signal to noise ratio 72dBA reference 1W into 4 ohms e 580W RMS x 1 channel at 2 ohms 14 4V supply and lt 1 THD N e Dynamic power 778W at 2 ohms e Effective damping factor 6 326 at 4 ohms e Frequency response 10Hz 302Hz 3dB e Maximum input signal 5 3V e Maximum sensitivity 75mV e Output regulation 21dB at 4 ohms e Dimensions L x W x H 15 1 8 x 12 5 16 x 2 3 8 e Fuse rating 2 x 30A GTO75 411 e 104W RMS x 4 channels at 4 ohms and lt 1 THD N e Signal to noise ratio 80dBA reference 1W into 4 ohms e 142W RMS x 4 channels at 2 ohms 14 4V supply and lt 1 THD N e 284W RMS x 2 channels at 4 ohms 14 4V supply and lt 1 THD N e Dynamic power 163W at 2 ohms e Effective damping factor 6 384 at 4 ohms e Frequency response 10Hz 83kHz 3dB e Maximum input signal 5 8V e Maximum sensitivity 75mV e Output regu
15. z 302Hz channels 5 6 e Maximum input signal 6V e Maximum sensitivity 75mV Output regulation 042dB at 4 ohms e Dimensions L x W x H 18 11 16 x 12 5 16 x 2 3 8 e Fuse rating 2 x 30A mow jbl com
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