How to install andoperate the DLSReference seriescar audio amplifiersRA25 & RA30.Welcome!This owners manual is written in easy english anduses a l
NOISE PROBLEMSWHINING NOISE VARYING WITH ENGINEREVOLUTIONS:Do this:1. Rewire the power supply (12 V) to sourceunit direct from battery.2. Rewire groun
SpecificationsWe follow a policy of continuous advancement indevelopment.For this reason all or part of specifications & designsmay be changed wit
DLS Svenska ABP.O. Box 13029SE-40251 Göteborg, SwedenTel: +46 31 840060Fax: +46 31 844021E-mail: [email protected]
The amplifiers include RCA inputs High Level input Variable low pass crossover (not RA25) Variable high pass crossover Grand bass feature 0 - +18
Tools and material neededTools: Flat and Phillips screwdrivers Wire cutter Wire stripper Electric drill with drills Crimping
WiringPower connectionsGround Terminal ( GND )Remote terminal ( REM )Use only two 35 ampere ATCblade type fuses on RA30, orone 25 A on RA25.4Power ter
Input and controlsInput WiringInputs may be low level from the RCA output of thecar stereo, or high level from the car stereo speakeroutput. Low level
CrossoversInput Level controlThe input level control, 7V – 0,2 V,matches the output of your radio tothe input of the amplifier. After instal-lation is
Two fullrange speakers connected in stereomodeOne speaker connected in mono bridge modeNOTE!4 ohm minimum load when using bridge modeconnection. Lower
The LP-filter will allow low frequencies only andblocks higher frequencies. A typical setting is 70 –90 Hz. When used with a subwoofer the switchshou
Reconnect BatteryWhen wiring is complete,reconnect the batterynegative terminal.9TestingBefore you finish the installation, you should do thefollowing
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