DLS A1 Specifications

How to install andoperate theDLS ULTIMATEA-series amplifiersA1, A2, A3, A4, A5,A6, A7 & A8Welcome!This owners manual is written in easy english an

On the following pages you find some examples of how to connect the amplifier for different use. Thedrawings show normal level and filter settings. Th

11ULTIMATE A1-A2RemotePre out2. Two stereo speaker pairsconnected in parallel3. Connection in monowith one subwoofer inbridge mode.RemotePre out

WIRING EXAMPLES DLS A3On the following pages you find some examples of how to connect the amplifier for different use. The drawingsshow normal level a

2. One or more subwoofers in mono bridge modeYou can use all DLS subwoofers inthis example.Speaker impedance must be 4 ohm.For power cable, speaker ca

FM1 107,3++--Subwoofer4 ohmPre outfrontPre outrearFuse150 APowercapacitorFan 12 VRIGHT FUSES 25 A x 225252525LEFT FUSES 25 A x 2+Battery12 v

2. A front system connectedin stereo bridge mode on allfour channels.You can use all DLS coaxial, 2-way or3-way speaker systems in thisexample.Speaker

3. Connecting a 3-waysystem using active crossoverbetween woofer and midrange.You can use all 3-way speakersystems in this example. You can also usea

You can use all DLS coaxial, 2-way, 3-way systems andsubwoofers in this example.All speakers must be 2-4 ohm. If the head unit has only onepre out, a

DLS A6 is 1 ohm stable. This means that you canconnect four 4 ohm subwoofers in parallel withoutdamaging the amplifier. If you have a 4 ohm subwith

19Filter settings:Front: HP-filter 80 Hz or fullrangeRear: HP-filter 80 Hz or fullrangeLP-filter OUTSub: LP-filter 70-80 HzUse one, two or three RCA-c

InstallationBefore you begin to installBefore you begin you need to read the manual, to havesome tools, cables and other material available. Thereis o

20Example 2: Speaker wiring with active crossover to a front speaker systemand one or more subwoofersFilter settings:Front: HP-filter 4 kHz with x20-s

Example 3: System with front speaker system, rear fill speakers and oneor more subwoofers21Filter settings:Front: HP-filter 80 Hz or fullrangeRear: HP

22Example 4: Speaker wiring with acive/passive crossover to a 3-way frontspeaker system and one or more subwoofersFilter settings:Front: HP-filter 400

23Example 1: Speaker wiring with front and rear speakers++--++--FM1 107,3Pre outfrontPre outrearULTIMATE A8REAR SPEAKERS +LEFT- +RIGHT- FRONT I

24Example 2: Speaker wiring with subwoofers in bridge mode to both frontand rear channelsULTIMATE A8Button inFilter settings:Front: HP-filter OFFLP-fi

25TestingBefore you finish the installation, you should do thefollowing tests to make sure the wiring is correct andeverything is operating properly.R

Model A1 A2 A3 A4Number of channels 2 2 2 4Working mode AB AB AB ABPower output at 13,8 Volt, 20 Hz - 20 kHz, THD max 0,1%:RMS power output in 4 ohm

We follow a policy of continuous advancement indevelopment.For this reason all or part of specifications & designsmay be changed without prior not

DLS Svenska ABP.O. Box 13029S-40251 Göteborg, SwedenTel: +46 31 840060Fax: +46 31 844021E-mail: [email protected]

Tools and material neededTools: Flat and Phillips screwdrivers Wire cutter Wire stripper Electric drill with drills Crimping

Connect the fuse holder as close to the vehicle battery+ as possible, using AWG 5 = 16 mm2 or heavier cable(see table on page 2). Use ring crimp termi

Low level inputUse a pair of shielded stereo audio cables with RCAtype jack. Most trunk-mount amplifiers need a 20feet RCA cable ( appr 5 – 6 meters).

Low level inputUse a pair of shielded stereo audio cables with RCAtype jack. Most trunk-mount amplifiers need a 20feet RCA cable ( appr 5 – 6 meters).

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 wa

The LP-filter on the rear channels is used whenyou run a 2-way or 3-way speaker system with activecrossover. It will allow low frequencies only andbl

NOISE PROBLEMSWHINING NOISE VARYING WITH ENGINEREVOLUTIONS:Do this:1. Rewire the power supply (12 V) to sourceunit direct from battery.2. Rewire groun