DLS RA50 How To Install And Operate
  1. Manuals
  2. Brands
  3. DLS Manuals
  4. Amplifier
  5. RA50
  6. How to install and operate

DLS RA50 How To Install And Operate

Reference series 5-channel amplifier
Hide thumbs Also See for RA50:
Table of Contents

Advertisement

Quick Links

See also: Manual
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 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 sub channel input.
Contents
Features...................................
Installation................................
Routing Wires............................
Power connection.......................
Input and controls.......................
Input wiring.....................................
Input level control..........................
Grand Bass..................................
Phase control.................................
Crossovers (filters).........................
subwoofer.......................................... 10
crossover + subwoofer...................... 11
Testing......................................
Troubleshooting........................... 13
Professional tips..........................
Specifications.............................. 15
2
2
3
3
3
4
5
5
6
6
6
6
7-8
9
13
14

Advertisement

Table of Contents
loading

Related Manuals for DLS RA50

Summary of Contents for DLS RA50

  • Page 1: Table Of Contents

    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 sub channel input.

  • Page 2: Features

    Important Allow air circulation around the amplifier. DLS logo on amplifier cooling flange The DLS logo on top of the amplifier is attached The DLS Reference series of amplifiers have a with two hex. screws. The logo can be removed...

  • Page 3: Tools And Materials Needed

    RA50 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 paint for a good ground connection...

  • Page 4: Wiring

    Insert the cable directly into the amplifier terminal. If there is no remote voltage available from the ste- Connect with reo, you must connect to the ignition key through ring terminal to DLS FH1 or battery + terminal the radio or any accessories fuse. FH2B fuse holder Set the ”High level auto...

  • Page 5: Input And Controls

    Input and controls RA50 Input Wiring Inputs may be low level from the RCA output of the car stereo, or high level from the car stereo speaker output. Low level = RCA is to prefer for the best sound quality.

  • Page 6: Hi Level Auto Start Switch

    RA50 Phase control Hi level Auto start switch To ensure best possible performance from the The phase control on the sub amplifiers when used with high level input a switch channel (CH5) can be set is installed to select between Automatic amplifier continuously from 0 - 180 start and remote wire start.

  • Page 7: Crossovers (Filters)

    RA50 Crossovers Filters on CH 1 and CH2 The DLS RA50 amplifier include high pass filter (HP), low pass filter (LP) and subsonic filter. The slope of all filters are 12 dB / octave (subsonic 18 dB). The filters can be switched off if you want to run the amplifier in full range mode.
  • Page 8 RA50 Filters on CH 3 and CH4 Filters on CH 5, sub channel CH3 and CH4 include high pass filter (HP). The slope of the filter is 12 dB / octave. The filter can be switched off if you want to run the amplifier in full range mode.

  • Page 9: Ra50 Speaker Wiring: Four Speakers + Subwoofer

    RA50 Speaker wiring RA50 This is a 5-channel stereo amplifier. It can be connected in various modes described on the following pages. Example 1. Four fullrange speakers connected in stereo mode to front and rear channels, CH1 - CH4 One subwoofer to CH5...

  • Page 10: Two Speakers In Bridge Mode + Subwoofer

    RA50 Speaker wiring RA50 Example 2. Two fullrange speakers connected in stereo bridge mode to front and rear channels, CH1- 2 & 3-4. One subwoofer to CH5 NOTE! The subwoofer output is 2 ohm stable. Two 4 ohm subwoofers can be connected in parallel.

  • Page 11: 2-Way Component Set With Active Crossover + Subwoofer

    RA50 Speaker wiring RA50 Example 3 One 2-way component set connected with active crossover. The amplifiers internal filters are used. One subwoofer to CH5 Woofers NOTE! Tweeters The subwoofer output is 2 ohm stable. Two 4 ohm Filter settings CH1 - CH2 subwoofers can be connected in parallel.

  • Page 12: 3-Way Component Set With Active Crossover To Midbass + Subwoofer

    RA50 Speaker wiring RA50 Example 4. A 3-way component set. The midbass connected to CH 1-2 with active crossover. The midrange and tweeters connected to CH3-4 with passive crossover. One subwoofer to CH5 Mid bass Filter Filter NOTE! Midrange The subwoofer output is 2 ohm stable. Two 4 ohm subwoofers can be connected in parallel.

  • Page 13: 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. Test power wiring 5. To start the amplifier requires a remote voltage of 9-15 volt.

  • Page 14: 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, cables. DLS PRO-cables are double check the connections instead. Quasibalanced. Professional Tip: Professional Tip:...

  • Page 15: Specifications

    In bridge mode connection an amplifier sees a 4 ohm speaker as a 2 ohm load. The sub channel on RA50 can handle 2 ohm loads, for example two 4 ohm subwoofers in parallel. We follow a policy of continuous advancement in development.
  • Page 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...

Table of Contents