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DLS Svenska AB A6 manual

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Table of contents for the manual

  • Page 1

    How to install and operate the DLS UL TIMA TE A-series amplifiers A1, A2, A3, A4, A5, A6, A7 & A8 Welcome! This owners manual is written in easy english and uses a lot of drawings to simply the installation and use of the above amplifiers. Y our DLS amplifier must be installed correctly in order to work well. This manual will show you how to in[...]

  • Page 2

    Installation Before you begin to 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 . 2 Disconnect Battery Before starting the instal- lation, always disconnect[...]

  • Page 3

    T ools and material needed T ools:      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[...]

  • Page 4

    Connect the fuse holder as close to the vehicle battery + as possible, using A WG 5 = 16 mm 2 or heavier cable (see table on page 2). Use ring crimp terminal cable to connect to battery +. Apply silicon grease to the fuse to prevent corrosion. Connect the battery cable to the +12 V olt terminal on the amplifier . Model A2, A5 and A7 accepts A WG 4 [...]

  • Page 5

    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 spea- ker cables, power cables and remote control cable. DLS A1, A2 and A3 us[...]

  • Page 6

    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 spea- ker cables, power cables and remote control cable. The amplifier has se[...]

  • Page 7

    Crossovers / filters (general) DLS A-series amplifiers include highpass filter ( HP ) and lowpass filters ( LP ). The HP-filters can be used in one of two ways. Either as a subsonic filter together with a subwoofer to remove the lowest frequencies which often causes a rumbling bass reproduction. A nor- mal setting is 20 - 30 Hz. The HP-filter can a[...]

  • Page 8

    The LP-filter on the rear channels is used when you run a 2-way or 3-way speaker system with active crossover . It will allow low frequencies only and blocks higher frequencies. The filter can be switched in and out. The normal frequency range is from 0,3 to 4 kHz. With the LP x10 switch, under the bottom plate, you can change the filter frequency [...]

  • Page 9

    NOISE PROBLEMS WHINING NOISE V AR YING 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 connection. 5. Install a Power [...]

  • Page 10

    On the following pages you find some examples of how to connect the amplifier for different use. The drawings show normal level and filter settings. The main dif ference between DLS A1 and A2 is the lowpass filter and the power output. A1 has a 3-way filter selector under the bottom plate and A2 has a continously variable filter on the front. Remot[...]

  • Page 11

    11 UL TIMA TE A1-A2 Remote Pre out 2. T wo stereo speaker pairs connected in parallel 3. Connection in mono with one subwoofer in bridge mode. Remote Pre out Subwoofer 4 ohm Y ou can use all DLS 4 ohm subwoofers in this example. For power cable, speaker cable and fuse size selection we refer to page 4. + - FUSE 30 3,5V 7,0V 0,2V SPEAKERS +LEFT- +RI[...]

  • Page 12

    WIRING EXAMPLES DLS A3 On the following pages you find some examples of how to connect the amplifier for different use. The drawings show normal level and filter settings. The two channels are divided into two separate mono amplifiers. There are separate DC inputs for each channel but they are internally connected with each other . Y ou can feed th[...]

  • Page 13

    2. One or more subwoofers in mono bridge mode Y ou can use all DLS subwoofers in this example. Speaker impedance must be 4 ohm. For power cable, speaker cable and fuse size selection see page 4. Adjust the HP- and LP-filter settings as in the drawing Subwoofer 4 ohm FM 1 107,3 With the PHASE button you can phase shift the phase on the speaker outpu[...]

  • Page 14

    FM 1 107,3 + + - - Subwoofer 4 ohm Pre out front Pre out rear Fuse 150 A Power capacitor Fan 12 V RIGHT FUSES 25 A x 2 25 25 25 25 LEFT FUSES 25 A x 2 + Battery 12 volt T o remote on stereo / CD POWER IN BA T+ REM GND POWER IN /POWER CAP GND FAN OUT POS+ PROTECT POWER DC - FEED DLS A4 HP-filter HP-filter HP-filter LP-filter LP-filter LEVEL OUT IN 9[...]

  • Page 15

    2. A front system connected in stereo bridge mode on all four channels. Y ou can use all DLS coaxial, 2-way or 3-way speaker systems in this example. Speaker impedance must be 4 ohm. If the head unit has only one pre out a Y -cable must be used. For power cable, speaker cable and fuse size selection see page 4. Pre out rear Fuse 150 A Power capacit[...]

  • Page 16

    3. Connecting a 3-way system using active crossover between woofer and midrange. Y ou can use all 3-way speaker systems in this example. Y ou can also use any 2-way system in combination with a separate mid bass speaker . Speaker impedance must be 4 ohm. If the head unit has only one pre out a Y -cable must be used. For power cable, speaker cable a[...]

  • Page 17

    Y ou can use all DLS coaxial, 2-way , 3-way systems and subwoofers in this example. All speakers must be 2-4 ohm. If the head unit has only one pre out, a Y -cable must be used. For power cable, speaker cable and fuse size selection see page 4. LEVEL HP-filter 110 80 150 H z OUT IN REAR SPEAKERS +LEFT- +RIGHT- 3,5V 7V 0,2V SIGNAL INPUTS FR ON T S U[...]

  • Page 18

    DLS A6 is 1 ohm stable. This means that you can connect four 4 ohm subwoofers in parallel without damaging the amplifier . If you have a 4 ohm sub with dual voice coils you can connect the coils in parallel, one coil to each amplifier output. NOTE! The speaker output terminals are internally connected in parallel. This is a mono amplifier so it is [...]

  • Page 19

    19 Filter settings: Front: HP-filter 80 Hz or fullrange Rear: HP-filter 80 Hz or fullrange LP-filter OUT Sub: LP-filter 70-80 Hz Use one, two or three RCA-cables for signal from head unit to amplifier . See page 6 for detailed instructions UL TIMA TE A7 Example 1: Speaker wiring with front speakers, rear speakers and one or more subwoofers WIRING E[...]

  • Page 20

    20 Example 2: Speaker wiring with active crossover to a front speaker system and one or more subwoofers Filter settings: Front: HP-filter 4 kHz with x20- switch in x20 position Rear: HP-filter 80 Hz or fullrange LP-filter IN, setting 4 kHz with x10 switch in position x1 Sub: LP-filter 70-80 Hz Use one, two or three RCA-cables for signal from head u[...]

  • Page 21

    Example 3: System with front speaker system, rear fill speakers and one or more subwoofers 21 Filter settings: Front: HP-filter 80 Hz or fullrange Rear: HP-filter 125 Hz LP-filter IN. Setting 6 kHz with x10 switch in position x10 Sub: LP-filter 70-80 Hz Use one, two or three RCA-cables for signal from head unit to amplifier . See page 5 for detaile[...]

  • Page 22

    22 Example 4: Speaker wiring with acive/passive crossover to a 3-way front speaker system and one or more subwoofers Filter settings: Front: HP-filter 400 Hz with x20- switch in x1 position Rear: HP-filter 80 Hz or fullrange LP-filter IN, setting 400 Hz with x10 switch in position x1 Sub: LP-filter 70-80 Hz Use one, two or three RCA-cables for sign[...]

  • Page 23

    23 Example 1: Speaker wiring with front and rear speakers + + - - + + - - FM 1 107,3 Pre out front Pre out rear UL TIMA TE A8 REAR SPEAKERS +LEFT- +RIGHT- FRONT INPUTS REAR LEFT RIGHT LEFT RIGHT HP-filter change by bottom switch FRONT SPEAKERS +LEFT- +RIGHT- 5V 0,5V LEVEL LP-filter OUT IN 50 125 H z 50 125 H z HP-filter change by bottom switch OUT [...]

  • Page 24

    24 Example 2: Speaker wiring with subwoofers in bridge mode to both front and rear channels UL TIMA TE A8 Button in Filter settings: Front: HP-filter OFF LP-filter IN Setting 70-80 Hz Rear: HP-filter OFF LP-filter IN Setting 70-80 Hz FM 1 107,3 Pre out front Pre out rear REAR SPEAKERS +LEFT- +RIGHT- FRONT INPUTS REAR LEFT RIGHT LEFT RIGHT HP-filter[...]

  • Page 25

    25 T esting Before you 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. If problems occour during the installation, or later , this guide might help you to find out whats´s wrong. T[...]

  • Page 26

    Model A 1 A 2 A 3 A 4 Number of channels 2 2 2 4 Working mode AB AB AB AB Power output at 13,8 V olt, 20 Hz - 20 kHz, THD max 0,1%: RMS power output in 4 ohm 2 x 45 W 2 x 85 W 2 x 150 W 4 x 85 W RMS power output in 2 ohm 2 x 80 W 2 x 145 W 2 x 270 W 4 x 145 W RMS power output in 1 ohm 2 x 120 W 2 x 220 W 2 x 425 W 4 x 220 W RMS power output, 4 ohm [...]

  • Page 27

    We follow a policy of continuous advancement in development. For this reason all or part of specifications & designs may be changed without prior notice. 27 UL TIMA TE A7 Model A 7 RMS output per channel at 13,8 volts, 20 Hz - 20 kHz , < 0,1% distortion. Front and rear channels: Power output in 4 ohm 4 x 60 W Power output in 2 ohm 4 x 100 W [...]

  • Page 28

    DLS Svenska AB P .O. Box 13029 S-40251 Göteborg, Sweden T el: +46 31 840060 Fax: +46 31 844021 E-mail: info@dls.se www .dls.se[...]