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DLS RA50, Как установить и использовать

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How to install and

operate the DLS

Reference series

5-channel amplifier

RA50

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 amplifiers 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 very coun-
try.
You can always phone the DLS Helpdesk in Sweden
+ 46 31 84 00 60 or send an e-mail to [email protected].
Information can also be found on our WEB-site
www.dls.se

This manual is modified 2005-04-06 for RA50 with
separate sub channel input.

Contents

Features……………………………..

2

Installation…………………….…….

2

Tools and materials needed……….

3

Amplifier installation kit…………....

3

Routing Wires……………………....

3

Wiring:

Power connection..……………..….

4

Input and controls……………….....

5

Input wiring.....................................

5

Hi Level Auto start switch...............

6

Input  level control..........................

6

Grand Bass..................…………....

6

Phase control.................................

6

Crossovers (filters).........................

7-8

RA50 speaker wiring:

Four sp subwoofer …….....

9

Two speakers in bridge mode +
subwoofer.......................................... 10
2-way component set with active
cro subwoofer...................... 11
3-way component set with active
crossover to m subwoofer...

12

Testing………………………………..

13

Troubleshooting……………………...

13

Professional tips……………………..

14

Specifications………………………...

15

Содержание RA50

Страница 1: ...ice 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 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 This manual is modified 2005 04 06 for RA50 with separate...

Страница 2: ...lity in mounting You can mount it under a seat or in the trunk When you select a location do remember that the amplifier generates a lot of heat Choose a location where air can circulate freely around the amplifier Do not cover the amplifier with carpets or hide behind trim panels Do not mount the amplifier in an inverted or upside down position Check all locations and placements carefully before ...

Страница 3: ... you buy the items separately 20 25 feet 6 7 5 meter power cable AWG 4 21 mm2 or heavier 1 pc of fuseholder to install close to the car battery fuse 80 100 Ampere 20 feet of AWG 15 1 5 mm2 wire for remote turn on off cable from radio RCA cable for input from radio 20 feet or 5 meter for trunk installations 12 feet or 2 3 meter for under seat installations Two ring crimp terminals one for connectio...

Страница 4: ... RCA cable itself or use a separate cable Sometimes a small disturbance may enter the amplifier coming from the remote voltage through the built in remote wire and into the RCA cable Thus we recommend to use a separate remote wire and run the RCA lead separate from remote wire power cables and speaker cables Insert the cable directly into the amplifier terminal If there is no remote voltage availa...

Страница 5: ...e close to speaker cables power cables and remote control cable Connect to RCA input sockets Set the input selector switch to position Low level SUB INPUT selector switch in bottom plate The amplifier has a separate input for the sub channel CH 5 The signal to the sub channel can either be fed from the input for CH 1 CH2 or separate through the SUB IN RCA connector There is a switch under the bott...

Страница 6: ...e or to the right until you just start to hear distortion then back the level control just a bit Now your ra dio and amplifier levels are matched On multi channel amplifiers like theRA50 it s necessary to adjust the levels indiviually to achieve a good sound balance between the different speakers different speakers have different sensitiv ity When using two of the channels for subwoofer operation ...

Страница 7: ...er frequency range used for other applications RA50 LP filter FREQUENCY 40 125 Hz HP filter FREQUENCY 50 140 Hz Subsonic filter The subsonic filter is used to take away the very deepest frequencies from a bass box The x over frequency is 25 Hz Filters on CH 1 and CH2 CH1 and CH2 include high pass filter HP and low pass filter LP The slope of the filters are 12 dB octave The filt ers can be switche...

Страница 8: ...ing is 50 80 Hz The subsonic filter is used to take away the very deepest frequencies from a bass box The x over frequency is 25 Hz Grand Bass is used to increase the bass volume with a center frequency of 40 Hz You can select the amplification between 0 dB no amplification and 18 dB full amplification This function is used to compensate for the bass box function and to adjust for your own taste o...

Страница 9: ...ge If you for some reason want to limit the low bass reproduction switch IN the HP filter The typical setting is then around 60 80 Hz LP filter OUT Bottom plate switch position x1 Filter settings CH1 CH2 Front speaker pair Rear speaker pair Filter settings CH5 Filter settings CH3 CH4 HP filter in OUT position the amplifier allows the speakers to play fullrange If you for some reason want to limit ...

Страница 10: ...reproduction switch IN the HP filter The typical setting is then around 60 80 Hz LP filter OUT Bottom plate switch position x1 Filter settings CH1 CH2 Front speaker pair connected in bridge mode Filter settings CH5 Filter settings CH3 CH4 HP filter in OUT position the amplifier allows the speakers to play fullrange If you for some reason want to limit the low bass reproduction switch IN the HP fil...

Страница 11: ...uction switch IN the HP filter The typical setting is then around 60 80 Hz LP filter IN setting 400 Hz x10 4 kHz Bottom plate LP filter switch position x10 This setting gives a low pass crossover point of 4 kHz or use your own setting Filter settings CH1 CH2 Woofers Tweeters Filter settings CH5 Filter settings CH3 CH4 HP filter in IN position setting 80 Hz x50 4 kHz Bottom plate HP filter switch p...

Страница 12: ... to limit the low bass reproduction switch IN the HP filter The typical setting is then around 60 80 Hz LP filter IN setting 400 Hz or use your own setting Bottom plate LP filter switch position x1 Filter settings CH1 CH2 Mid bass Midrange Filter settings CH5 Filter settings CH3 CH4 LP filter 60 80 Hz Subsonic filter position IN For GRAND BASS and PHASE settings see page 8 Filter box Filter box Tw...

Страница 13: ...FF AFTER 10 30 MINU TES The amplifier is overheating due to inadequate venti lation Check mounting position is free from obstruction Do this 1 Move the amplifier to a place with better ventil ation 2 Install one or two fans to cool down the heat sink 3 Overheating can also be caused by an impedance load below the level permitted NO OUTPUT FROM ONE OR MORE SPEAKERS Check the following 1 Balance con...

Страница 14: ...t battery Tap the wire on to the terminal of the battery and observe the movement of the cone The cone should move outwards when the wire touches the battery and inwards when the battery is removed If it is the other way around the speaker has been connected backwards and it must be removed and connected correctly If your system also has a subwoofer connected through a passive 6 or 12 dB crossover...

Страница 15: ...ration on Rear channels Filter high pass 50 140 Hz Freq x 1 x5 x50 can be switched in out Pre amp configuration on RA50 sub channel Filter lowpass 40 125 Hz Fixed subsonic filter 25 Hz 18 dB octave filter slope Phase shift 0 180 degrees continously Yes Grand bass adjustable gain 40 Hz 0 18 dB Remote bass level and phase control Yes can be switched in out Protection current thermal DC offset Max ca...

Страница 16: ...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 ...

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