DLS Svenska AB DLS CA12 Stereo Amplifier User Manual
Contents
1. CA12 include RCA input and output High level input with auto start Continuous variable low pass crossover Continuous variable subsonic crossover Phase control cont variable 0 180 degrees Electronic protection circuitry against short circuit DC offset and thermal overload Installation Before you begin the install Before you begin you need to read the manual to have some tools cables and other material available There is one such list of material on the following page Amplifier location Important Allow air circulation around the amplifier The DLS Classic series of amplifiers have a compact design that allows great flexibility in mounting You can mount it under a seat or in the trunk When you select a location do remember that the amplifier generates a lot of heat Choose a location where air can circulate freely around the amplifier Do not cover the amplifier with carpets or hide behind trim panels Do not mount the amplifier in an inverted or upside down position Check all locations and placements carefully before making any cuts drilling any holes or making any connections This is the best direction to mount the amplifier to get the best cooling Disconnect Battery Before starting the instal lation always disconnect the negative terminal of the battery CA12 Troubleshooting If problems occur during the installation or later this guide might help you to find out what2. How to install and operate the DLS CA12 500 Watts mono amplifier Welcome This owners manual is written in easy english and uses a lot of drawings to simply the installation and use of the above amplifier Your DLS amplifier must be installed correctly in or der to work well This manual will show you how to install the amplifier like a pro Please read the entire manual before beginning the installation Install the amplifier yourself if you feel confident with our instructions and if you have the proper tools However if you feel unsure turn over the installation job to someone beiter suited to it Warranty Service This amplifier is covered by warranty depending on the conditions in the country where it is sold If the amplifier is returned for service please include the original dated receipt with the product For technical assistance ask the shop where the product was sold or the distributor in your very coun try You can always phone the DLS Helpdesk in Sweden 46 31 84 00 60 or send an e mail to info dls se Information can also be found on our WEB site www dls se Technical Assistance DLS Svenska AB P O Box 13029 S 40251 Goteborg Sweden Tel 46 31 840060 Fax 46 31 844021 E mail info dls se www dls se Contents DDECHICALIONS assises FOEAtUreS cccce cece eee eeeee eee ees HASTAN AMON nc casio cavenawscnenses niece tena Trouble Shooting 0ceeeeeee Tools and materials n
3. finish the installation you should do the following tests to make sure the wiring is correct and everything is operating properly Reconnect Battery When wiring is complete reconnect the battery negative terminal Test power wiring 1 Turn on the head unit but do not turn up the volume The amplifier power light should come on If not check the remote and 12 volt wires Also check the ground connection Turn up the head units volume slightly All speakers should operate if not check wiring connections at amplifier and speakers The speaker terminals are doubled for easier connection of moreof two or m O r e subwoofers The respective terminasis are internally connected to each other It is not possible to connect CA12 in T bridge mode NOTE Minimum speaker load is one 1 ohm You can connect up to four 4 ohm subwoofers or two 2 ohm subwoofers to the amplifier Loads or speaker impedances less than 1 ohm could result in poor sound quality and or damage to amplifier The drawing shows how to connect four 4 ohm subwoofers to the speaker terminal Professional Tip NOISE PROBLEMS WHINING NOISE VARYING WITH ENGINE REVOLUTIONS Do this 1 Rewire the power supply 12 V to source unit direct from battery 2 Rewire ground wire from source unit to clean position on chassis 3 Check all power connections to ensure that they are clean and tight 4 Check quality of system ground connect
4. frequency from 15 to 50 Hz Atypical set the very deepest frequencies Subsonic from reaching the subwoofers i 40Hz 100Hz ting is 25 30 Hz when used with subwoofers The filter can be switched IN OUT Low Pass Filter The LPF low pass filter mostly used for subwoofers It The filter can be switched in and out and you can select between two different slopes will allow low frequencies only LPF and blocks higher frequencies 80Hz 200Hz A typical setting is 50 80 Hz TD Off 15Hz 150Hz Off On 50Hz 500Hz 24 dB 12 dB octave or 24 dB octave 12dB Choose the slope and the set ting that sounds best in your Car CA12 RCA Output Input Output Use RCA Outputs to connect additional amplifiers Speaker and power Phase control The phase control can be set continuously from 0 180 degrees This is very useful when you want to adjust the bass sound for best front stage image Start on O and turn the control slowly clockwise until you experience the bass Q sound coming from the front You may have to change the polarity of the speaker connection to get the best result connection 4 Power Speaker Fuse Fuse 12V REM GND Each Msn Min 29 iad eed aw EJ m m D UV CaA 12 To Remote on head unit KJ Fuse Pr Distribu g tion block Power Cap w Testino Before you
5. d Power Light Protect light The power light green comes on when the amplifier is turned on Green The protect light red comes on when 2 the amplifier shuts down from Red overheating or short circuit Fuses Use only 30 ampere ATC blade type fuses CA12 uses two 30 ampere fuses CA12 IS Input and controls Bi B K at N F ias URS Input Wiring Inputs may be low level from the RCA output of the car stereo or high level from the car stereo speaker output Low level RCA is to prefer for the best sound quality Important Use either the low level or the high level input do not use both at same time Low level input Use a pair of shielded stereo audio cables with RCA type jack Most trunk mount amplifiers need a 20 feet RCA cable appr 5 6 meters Most under the seat installations require 12 feet 2 3 meters RCA cables Avoid placing the RCA cable close to speaker cables power cables and remote control cable Connect to in put socket A amp B High Level Input Connect left and right speaker wires coming from the car stereo to the high level input as shown You must connect both plus and minus as the inputs are balanced connecting plus only gives lower level and bad sound quality By changing the polarity of plus and minus you can change the phase High Input White o o White Black ojo C e rey Hi level input plug on amp Automa
6. d afterwards Sheet Metal Ring Screw Connector Drill 1 8 hole in chassis sheet metal 12V REM GND Remote terminal REM For RCA cable signal input Connect the radio power antenna lead remote turn on off from the car stereo to the amplifier remote connection This turns on the amplifier whenever the car stereo is turned on You can either use the built in remote cable in the RCA cable itself or use a separate cable Sometimes a small disturbance may enter the amplifier coming from the remote voltage through the built in remote wire and into the RCA cable Thus we recommend to use a Separate remote wire and run the RCA lead separate from remote wire power cables and speaker cables You can either use a crimp fork terminal or insert the cable directly into the amplifier terminal If there is no remote voltage available from the stereo you must connect to the ignition key through the radio or any accessories fuse For High Level input We recommend you to connect the remote wire as described above The amplifier will be turned on turned off by the high level input voltage This is done when the Hi level Low level switch is set to Hi level position There is a small disadvantage that this function gives soft turn on operation but some plop sound when switching off You do not have to connect any remote voltage when using Hi level input 12V REM GND Connector To Receiver Power Antenna Lea
7. eeded Amplifier installation kit Routing VWWINCS cccensccvicstednendwalwes Wiring Power and OutputS Inputs and CONtrolS Input level CONtrOl ssssssssssrrssrrn na CIOSSOVENSassooeeeerrrerrerrrerrrrrrern enn rn Phase CONtrOl sssssssssseossrrrrnnern ra Speaker WillNO sssessrrrrrrrrror rna wWmoWwWmMNMINIYN NOOO Of Specifications DLS CLASSIC Number of channels 1 Power output R M S output in 4 ohm 0 1 THD R M S output in 2 ohm 0 4 THD 1x 400 W R M S output in 1 ohm 0 5 THD 1x500 W All above output power ratings at 13 8 Volt Signal to noise ratio A weighted gt 100 dB Damping factor gt 100 Frequency response 10 Hz 35 kHz Input impedance low level 10 kohm Input impedance high level 100 ohm Input sensitivity 0 25 5V 1 x 220 W RCA output yes Phase control 0 180 degrees variable yes 15 150 Hz 50 500 Hz Filter subsonic Filter lowpass 12 24 dB slope Power consumption idle 0 8 A Maximum current draw 80A Built in fan cooling in bottom plate yes Fuse 2 x 30A Dimensions mm 67x295x250 Dimensions inch 2 63x11 6x9 84 Weight 3 8 kg 8 4 Ib Approval of electromagnetic compatability according to the EEC Directive 95 54 EC E1 Approval No 022495 C We follow a policy of continuous advancement in development For this reason all or part of specifications amp designs may be changed without prior notice
8. grees and then screwed back in wanted position The logo can be mounted in four different ways to match your installation Tools and material needed Flat and Phillips screwdrivers Wire cutter Wire stripper Electric drill with drills Crimping tool Digital multimeter or test lamp Wire brush scraper or a piece of an abrasive sheet to remove paint for a good ground connection Grease to protect the ground connection from corrosion Material Speaker wire minimum 12 AWG 4 mm for subwoofers Sheet metal screws for mounting the amplifier to the amplifier board and the amplifier board to the car some extra for fuse holder amplifier ground etc Electrical insulation tape Y2 inch thick plywood or particle board for the amplifier to be mounted upon Amplifier installation kit If available buy an amplifier installation kit It contains normally all you need This is what you have to buy if you buy the items separately 20 25 feet 6 7 5 meter power cable minimum AWG 5 16 mm or heavier 1 pc of fuseholder to install close to the car battery fuse 60 Ampere 20 feet of AWG 15 1 5 mm wire for remote turn on off cable from radio RCA cable for input from radio 20 feet or 5 meter for trunk installations 12 feet or 2 3 meter for under seat installations Two ring crimp terminals one for connection to the battery plus and one for the amplifier ground connection Two heavy fork crimp te
9. ion 5 Install a Power Cap capacitor This can be helpful against most noise problems CONSTANT WHINING NOISE Do this Ensure that all equipment has a common ground point Check quality of earth strap connection from battery negative terminal to chassis Disconnect signal cables from amplifier to see if noise disappears If so the leads are picking up noise Test this by laying a new cable over the seats and reconnecting to the amplifier If the noise does not return re route original cable away from source of interference If noise remains regardless of cable position try to use so called Quasi balanced signal cables DLS PRO or ULTIMATE cables are quasibalanced Professional Tip Installing in trunk When installing the amplifier in the trunk run the power wires along the same path as the other vehicle wiring Many cars have insulated channels for wiring you will have to remove the door sill trim and the carpet Professional Tip Crimp connections Purchase crimp connectors and crimping tool Connectors are color coded 1 Strip 1 4 inch 6 mm of insulation from the wire 2 Insert into connector 3 Crimp tightly Professional Tip SPEAKER POLARITY CHECK All speakers in a car audio system should be connected in phase the same polarity All spea ker cones must move in the same direction Out of phase speakers will cause a lack of bass and a poor stereo soundstage Checking polarity Hold the connect
10. ion of the speaker wire to the terminal of a 1 5 Volt flashlight battery Tap the wire on to the terminal of the battery and observe the movement of the cone The cone should move outwards when the wire touches the battery and inwards when the battery is removed If it is the other way around the speaker has been connected backwards and it must be removed and connected correctly If your system also has a subwoofer connected through a passive 6 or 12 dB crossover try to connect this with various polarity and judge what sounds best The phase shift in passive crossovers sometimes makes it necessary to change polarity Professional Tip Securing wires Use wire ties to bundle together when possible But never bundle speaker wires or signal cables together with power wires Professional Tip Speaker and power wires Do not run speaker and power wires next to each other Power wires can generate a siren sound in the speakers Runs speaker and power wires on opposite sides of the car DLS Svenska AB P O Box 13029 SE 40251 Goteborg Sweden Tel 46 31 840060 Fax 46 31 844021 E mail info dls se www dls se
11. o allow more amplifiers to be installed now or later If possible buy AWG 4 PL 21 mm or heavier cable for best performance CA12 Wiring Power and Outputs Power terminal 12V Connect the fuse holder as close to the vehicle battery as possible using AWG5 16 mm or heavier cable Use ring crimp terminal cable to connect to battery Apply silicon grease to the fuse to prevent corrosion Use a fuse holder for AGU fuses like the DLS FH1B Fuse value 60 A if you use a AWGB5 cable en Battery To Battery Terminal DLS FH 1B Terminal Adapter fuse holder Connect the battery cable to the 12 Volt on the amplifier If you want to improve the power capacity you can add a Power capacitor of 1 Farad in parallel with the DC input Be sure to use a rubber grommet or a plastic insulating tube where the cable passes the firewall or other places where it can easily be jammed Use wire ties to secure to existing cables in the engine room Max fuse value for different cable sizes 6mm 9 AWG 25A 10 mm 7AWG 40 A 16 mm BAWG 60 A 21 mm 4AWG 100A 33 mm 2AWG 150A 42 mm 1AWG 200 Ground Terminal GND Connect to a good chassis ground The ground connection should be clean unpainted metal to prov ide a good electrical connection Use a wire brush a scraper or a piece of an abrasive sheet to clean the metal Use a lock washer or two to secure contact Protect with silicon grease or by paint applie
12. rminals to connect and to amplifer but you do only need them if you use heavy cable or to make the installation look nicer Four to eight fork crimp terminals to connect the speaker cables but you do only need them if you use heavy cables or want the installation to look nicer One fork crimp terminal to connect the remote wire to the amplifier but you need it only to make it look nicer Four to eight splicers to connect speaker cables to high level input cable if high level input is used Wire ties Insulating grommet or insulating tube CA12 Routing wires Battery D Battery Connector Fuse or Circuit is Breaker Grommet To prevent damage to power wire Power Wire 1 8 gauge wire or larger Power Antenna Turn on Wire 18 gauge wire RCA Cables Ground Screw 2 Drill 1 8 hole in chassis sheet metal ss Use the same ground if Amplifier using multiple amplifiers High current draw The CA12 is a mono amplifier with high power output The current draw is also high so you must make sure that your vehicles power system battery and alternator can provide all the power you need If you have a bad battery or alternator in can result in a poor sound or even worse a broken battery or alternator Professional Tip If amplifier installation kits are available with diffe rent size of power cable chose the most heavy power cable to improve sound quality and t
13. s s wrong The amplifier is dead 1 Check power lead ground and connections at the amplifier using a multi meter 2 Check the battery terminal connections 3 Check the power lead fuse or circuit breaker If fuse damage continues inspect the power lead for short circuits 4 Check the amplifier protection fuses Are these broken change to new ones with the same value If short circuiting continues contact your local DLS dealer A fault may exist in the amplifier 5 To start the amplifier requires a remote voltage of 9 15 volt Check the voltage with a multi meter Amplifier protection fuse blows at low volume One or more speaker cables are shorted Make an insulation test with a multi meter The cables must not have a connection to earth The amplifier turns off after 10 30 minu tes The amplifier is overheating due to inadequate venti lation Check mounting position is free from obstruction Do this 1 Move the amplifier to a place with better ventil ation 2 Install one or two fans to cool down the heat sink 3 Overheating can also be caused by an impedance load below the level permitted No output from the speakers Check the following 1 Speaker cable connections to both amplifier and subwoofers 2 Signal lead plugs and cables DLS logo on amplifier cooling flange The DLS logo on top of the amplifier is attached with two hex screws The logo can be removed and twisted 90 or 180 de
14. tic turn on when using high level input With the Hi Low input swich set to Hi the amplifier turns on automatically on high input You dont need to connect a separate remote wire from your head unit When using High Level input Set the switch to position Hi Level When using Low level input Set the switch to position Low Level If the switch is set to wrong position the amplifier still et Hi level works but the risk for Low level disturbances or distortion increases C LS Ei Input Output High Input citei ye Subsonic Phase LPF Green AND el A a Oe le L OL leo a aCe eo ice O M m CO m GS men NAR T sy av OF On q5Hr 150Hr 180 on ae sorts soon Red n AV m i EE Input Level control The input level control 5V 0 25 V matches the output of your ra dio to the input of the amplifier After installation is complete make sure the input of the amplifier is turned down all the way counter clockwise at 5V Play a tape or CD make sure all bass or treble settings or equalizer are flat and turn the volume of the radio up until you just start to hear distortion Turn the volume control down just a bit On the amplifier increase the input level control clockwise or to the right until you just start to hear distortion then back the level control just a bit Now your radio and amplifier levels are matched Subsonic filter The Subsonic filter blocks lt has a variable
Download Pdf Manuals
Related Search