Table of Contents
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How to install and
operate the
DLS ULTIMATE
A-series amplifiers
A2, A3, A4, A5, A6,
och A7
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.
Your DLS amplifier must be installed correctly in
order 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 installa-
tion job to someone better 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.
Technical Assistance
For technical assistance ask the shop where the
product was sold, or the distributor in your country.
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
Contents
Caution.....................................
Installation................................
Tools and materials needed..........
Amplifier installation kit................
Routing Wires............................
Power terminals..........................
Inputs and controls......................
Input wiring...................................
Input level control..........................
Phase control................................
Remote bass level.........................
Protection circuits..........................
Input & controls A7.......................
Crossovers / filters.......................
Crossovers / filters A7....................
Professional tips............................
Wiring examples:
DLS A2.........................................
DLS A3.........................................
DLS A4.........................................
DLS A5.........................................
DLS A6.........................................
DLS A7.........................................
Testing......................................
Trouble-shooting..........................
Specifications.............................. 24-25
Approval of electromagnetic compatability
according to the EEC Directive 95/54/EC for
DLS A2, A3, A4, A5, A6, A7.
E 11
Approval No: 10R-020962
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2
3
3
3
4
5
5
5
5
5
5
6
7
8
9
10-11
12-13
14-16
17
18
19-22
23
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Table of Contents
Related Manuals for DLS ULTIMATE A-series
Summary of Contents for DLS ULTIMATE A-series
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Page 1: Table Of Contents
For technical assistance ask the shop where the product was sold, or the distributor in your country. 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... -
Page 2: Caution
Congratulations, you have just purchased the finest mobile audio amplifier that today´s technology can offer. DLS offers a series of high quality car audio products for real music lovers, and we are sure that you will enjoy a high class car sound for many years. -
Page 3: Tools And Materials Needed
ULTIMATE A-series Tools and material needed Routing wires Tools: 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... -
Page 4: Wiring
BAT+ REM GND FAN OUT POWER Fan terminal PROTECT DLS A3, A4, A5, A6 and A7 has a fan output terminal. On A3, A4 and A6 the terminal is combined with the extra DC-terminal. The output is Fuse To remote... -
Page 5: Inputs And Controls
RCA inputs of A7. A5, A6 and A7 amplifiers. Use high quality interconnects like the DLS SL5 You can adjust the bass PRO or SL5 Ultimate that has an effective shielding. - Page 6 Input Wiring DLS A7 has a more sofisticated input configuration and 2. Two RCA cables. One to front input and the can be connected in different ways which are described other to rear and sub inputs.
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Page 7: Crossovers / Filters
Active crossover. DLS A6 A4 and A7 the LP and HP-filters have a frequency DLS A6 is a mono amplifier for use only as a range making it possible to use them for active subwoofer amplifier. crossover to a 2-way speakersystem. -
Page 8: Crossovers / Filters A7
Crossovers / filters on A7 Lowpass filter on rear channels LP-filter DLS A7 amplifier include highpass filter (HP), lowpass filter (LP). On the two front channels the HP-filter can be switched between two different frequency ranges, likewise for the LP-filter on the rear channels. -
Page 9: Professional Tips
If noise remains regardless of cable position, try to use so called Quasi-balanced signal NOTE! Tweeters can not be tested this way, double cables. DLS PRO and Ultimate-cables are check the connections instead. Quasi-balanced. Professional Tip: Professional Tip:... - Page 10 2. As a subwoofer amplifier with max two 4 ohm subwoofers in mono bridge mode. The built-in lowpass crossover is used. (Connect to L+ and R-). DLS A2 has an inbuilt adjustable lowpass filter that should be set to approx. 60-80 Hz. 1. One speaker pair...
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Page 11: Bridge Mode
HP-filter: 25-30 LP-filter. 60-80 Pre out 1 107,3 Battery 12 volt Remote Subwoofer 4 ohm You can use all DLS 4 ohm subwoofers in this example. For power cable, speaker cable and fuse size selection we refer to page 4. - Page 12 You can feed the amplifier with double DC feeds if you want a minimum of voltage drop, or you can also use the extra DC-input for the connection of a Power capacitor as in the example. DLS A3 can be connected in different ways: 1. As a stereo amplifier connected with a speaker system of coaxial, 2-way or 3-way type.
- Page 13 1 107,3 Subwoofer 4 ohm DLS A3 is 1 ohm stable. This means that you can connect two 4 ohm subwoofers in parallel without damaging the amplifier. Two 4 ohm Use a 2 mm hex key to speaker terminals.
- Page 14 20 200 Button out DLS A4 is 1 ohm stable. This means that you can connect two 4 ohm subwoofers in parallel without damaging the amplifier. Two 4 ohm subwoofers connected in parallel results in a 2 ohm load which the amplifier sees as a 1 ohm load.
- Page 15 BAT+ REM GND FAN OUT RIGHT FUSES 25 A x 2 POWER 25 A x 2 You can use all DLS coaxial, 2-way PROTECT or 3-way speaker systems in this example. Speaker impedance must be 4 ohm. Fuse If the head unit has only one pre out 150 A a Y-cable must be used.
- Page 16 ULTIMATE A4 DC-FEED DLS A4 3. Connecting a 3-way system using active crossover POWER IN /POWER CAP POWER IN POS+ LEFT FUSES BAT+ REM GND FAN OUT RIGHT FUSES between woofer and midrange. 25 A x 2 POWER 25 A x 2...
- Page 17 ULTIMATE A5 You can use all DLS coaxial, 2-way, 3-way systems and WIRING EXAMPLES A5 subwoofers in this example. All speakers must be 2-4 ohm. If the head unit has only one Connection of a front system in pre out, a Y-cable must be used.
- Page 18 4 ohm 4 ohm control DLS A6 has a built-in fan for cooling. The fan is DLS A6 is 1 ohm stable. This means that you can mounted in the bottom plate of the amplifier. connect four 4 ohm subwoofers in parallel without To get the best performance and cooling, mount the damaging the amplifier.
- Page 19 Pre out Pre out front rear 1 107,3 DC - FEED DLS A7 For DC-feed, see page 4 If you have problems with the mid bass driver LP-filter: 60- 80 Hz ”reaching the bottom” (the voice coil touches the bottom pole plate) at high volumes, use the HP- filter to avoid this with a setting at 50 - 80 Hz or higher.
- Page 20 Tweeters with active high-pass Midbass/midrange speakers with 1 107,3 x-over setting at 4 kHz active low-pass x-over setting at 4 kHz LP-filter: 60- 80 Hz DC - FEED DLS A7 For DC-feed, see page 4 Remote Bass SUB-WOOFER SIGNAL INPUT FILTER Level...
- Page 21 Filter Filter front rear Rear fill speakers 125 Hz to 6 kHz 1 107,3 Lowpass filter 60- 80 Hz Two-way front system DC - FEED DLS A7 For DC-feed, see page 4 Remote Bass SUB-WOOFER SIGNAL INPUT FILTER Level PHASE...
- Page 22 Passive x-over between midbrange and tweeters Remote Bass SUB-WOOFER SIGNAL INPUT FILTER Level PHASE SPEAKERS DC - FEED DLS A7 LEFT SUB RIGHT Low-pass LEVEL 3,5V For DC-feed, see page 4 Degree 50 125 7,0V 0,2V If you have problems with the mid bass driver ”reaching the bottom”...
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Page 23: Testing
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 Test power wiring 9-15 volt. -
Page 24: Specifications A2, A3, A4, A5, A6
410 x 73 x 240 465 x 73 x 240 (inch) 10,43 x 2,87 x 9,45 16,15 x 2,87 x 9,45 18,3 x 2,87 x 9,45 Filter configuration DLS A4 Front: Rear: Lowpass 50 - 125 Hz Lowpass 45 - 200 Hz or 90 - 400 Hx (x 2 button) - Page 25 Power output in bridge mode 2 x 200 W Subchannel: Power output in4 ohm 1 x 300 W Filter configuration DLS A7 Power output in 2 ohm 1 x 440 W Power output in 1 ohm 1 x 600 W S / N ratio, A-weighted >100 dB...
- Page 26 DLS Svenska AB P.O. Box 13029 S-40251 Göteborg, Sweden Tel: +46 31 840060 Fax: +46 31 844021 E-mail: info@dls.se www.dls.se...