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OWNER`S MANUAL 

DD-SERIES 

 

DD31T 

600W /3 Channel Class D Full Digital Amplifer 

 
 
 
 
 
 
 
 
 
 

 

 

This  product  must  be  returned  to  the 
separate  collection  system  for  electronic 
products.  Do  not  dispose  this  product 
together with general household waste. 

DLS amplifiers are designed and engineered by: 

DLS Svenska AB 

P.O. Box 13029 - SE-40251 Göteborg - Sweden 

Tel: +46 31 840060 - Fax: +46 31 844021 

E-mail: [email protected] 

www.dls.se 

Содержание DD31T

Страница 1: ... returned to the separate collection system for electronic products Do not dispose this product together with general household waste DLS amplifiers are designed and engineered by DLS Svenska AB P O Box 13029 SE 40251 Göteborg Sweden Tel 46 31 840060 Fax 46 31 844021 E mail info dls se www dls se ...

Страница 2: ...untry 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 very coun try Information can also be found on our WEB site www dls se We follow a policy of continuous advancement in development For this reason all or part of sp...

Страница 3: ... will allow air to circulate freely The compact size of the DLS DD Series amplifier allows greater flexibility in mounting CAUTION Not water or mud proof Cannot be submerged or it will void the warranty The models include the following features FRD Full Range Class D AUX Input Low profile design Digital Sound Optimization Circuitry High level input with auto start Powerful cable terminals Built in...

Страница 4: ...justable from 50Hz to 150Hz at 12dB per octave 4 AUX Input Jack This 1 8 inch 3 5mm mini jack can be used to accept an MP3 iPOD or smartphone as the source unit from that devices headphone 3 5mm output NOTE INPUT switch needs to be in the 2CH setting when using AUX Input to provide signal for both front and sub amp section The AUX input is internally paralell to the ordinary front input Turn off o...

Страница 5: ...in relation to the amplifier see troubleshooting tips 13 SUBWOOFER OUTPUT Set screw subwoofer output terminal Be sure to observe the correct speaker polarity and follow the speaker wiring diagrams starting on page 21 14 FRONT SPEAKER OUTPUT This 4 pin Molex style connector is where the speaker output harness plugs in Be sure to observe the correct speaker polarity and follow the speaker wiring dia...

Страница 6: ...s etc Fig 4 Power Input Connection These amplifiers are designed to work within a 20 to 28 volt DC range Before any wires are connected the vehicles electrical system should be checked for correct voltage supply with the help of a voltmeter First check the voltage at the battery with the ignition in the OFF position The voltmeter should read no less than 20v If your vehicles electrical system is n...

Страница 7: ...aint for better contact of the ground NOTE If installing in a boat UTV or motorcycle make sure your ground wire is connected to the negative terminal of the battery See Fig 5 Fig 5 Proper Chassis Ground Connection For Cars And Trucks Secure the ground cable to the body using a bolt star washer and nut Spread silicon over the screw and bare metal to prevent rust and possible water leaks For Power S...

Страница 8: ...plifier and cut the wire to length Loosen the screw terminal marked REM on the amplifier using an Allen wrench Insert the stripped bare portion of the wire into the terminal and tighten the screw securely NOTE It is highly recommended that an Hex wrench is used to tighten the set screws in the terminal blocks by hand and NOT a power drill This will prevent stripping or other possible damage to the...

Страница 9: ...e fuse holder and fuse for this purpose Remember this fuse also protect the vehicle vessel from a dangerous short circuit It is absolutely vital that the main power lead to the amplifier s in the system be fused within 18 inches 45cm of the connection to the battery Proper Ground Connection For UTVs Motorcycles or Boats Fig 6 Proper Ground Connection For UTVs Motorcycles or Boats ...

Страница 10: ...uce any noise that may radiate from the power cable and the signal cable If an audio cable is too close to a power cable it may pick up the magnetic field generated by the power cable which could lead to a loss of quality in your signal NOTE A side panel AUX Input is available for use with portable MP3 players or an iPod Use of this input will not override defeat the RCA low level inputs NOTE The ...

Страница 11: ...SOURCE INTERCONNECT Dual RCA Low Level Input Front and Subwoofer Fig 8 Input using two pairs of RCA cables ...

Страница 12: ...connector 2 Connect the wires from the speaker output of the radio to the white and grey wires of the amplifier input wires using the color codes in above drawing 3 If you are using both High Level Speaker Inputs make sure the MODE Selector switch is in the 3CH position White Solid Left White Black Striped Left Grey Solid Right Grey Black Striped Right ...

Страница 13: ...steps above may leave you with damaged speaker and or a damaged amplifier Control Panel 8 Bass EQ Control BASS EQ Control This special feature is designed to provide you more powerful sound quality and it allows you to increase the bass output up to 18dB at 45Hz Sub Channel only Keep in mind more is not always better Setting the control to the max 18dB may stress the amplifier and woofer and could...

Страница 14: ...Mode Input Switch Matches the input from the Source Unit to the amplifiers This eliminates the use of Y adapters and provides a cleaner input signal When the 2 Channel mode is selected both front and sub outputs will operate with only one pair of low level RCA inputs AUX INPUT NOTE The MODE switch must be in the 2CH position in order to use the 3 5mm AUX input 1 Using the 2CH Mode on the DD31T req...

Страница 15: ...y damage the electronics inside and void the waranty NOTE Know your total impedance load before you make any connections Speaker Wiring Choose the correct speaker wire for your application Most applications will require a minimum of 16 gauge wire At the amplifier end splice the speaker wires to the properly marked output leads from the Molex style connector Route these using the same precautions a...

Страница 16: ...SE OBSERVE POLARITY AS SHOWN ON WIRE MARKERS Speaker Output Connections 3 Channel Model DD31T 1 3 Channel Speaker Output Connection Fig 12 3 CH Speaker Connection Do not connect total impedance under 2 ohms ...

Страница 17: ...flow around the chassis If this continues choose a better ventilated mounting location 2 Amp shuts down ONLY when the Voltage protection engaged Voltage to the amp is not vehicle is running within the 20 28 VDC operating range Have the battery charging system inspected 3 Amp has no output Possible short circuit Check speaker wiring Must completely turn off amplifier and restart to resume play Alte...

Страница 18: ...m 1 THD Signal to noise ratio A weighted Damping factor Frequency response Input impedance low level Input sensitivity Input impedance high level High level input with auto start Filter low pass variable Filter High pass variable Bass boost Remote sub level control Power consumption idle Power consumption max Recommended Fuse Dimensions HxWxD mm Dimensions inch Weight Voltage DD31T 3 D 125Wx2 350W...

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