DLS Reference series Owner's Manual
Reference series car audio amplifiers
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Also See for Reference series:
- How to install and operate (16 pages) ,
- Owner's manual (4 pages) ,
- Owner's manual (4 pages)
Table of Contents
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How to install and
operate the DLS
Reference series
car audio amplifiers
RA25 & RA30.
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
Contents
Features...................................
Installation................................
Tools and materials needed..........
Amplifier installation kit................
Routing Wires............................
Power connection.......................
Input and controls.......................
Input wiring.....................................
Input level control..........................
Grand Bass..................................
Phase control.................................
Crossovers.....................................
Front speakers............................
Bridge connection........................
Two speakers + subwoofer ...........
Testing......................................
Troubleshooting........................... 9
Professional tips..........................
Specifications.............................. 11
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Table of Contents
Related Manuals for DLS Reference series
Summary of Contents for DLS Reference series
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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... -
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
RA25 & RA30 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 Stereo Grease to protect the ground... -
Page 4: Wiring
Insert the cable directly into the amplifier terminal. Connect with ring If there is no remote voltage available from the ste- terminal to DLS FH1 battery + terminal reo, you must connect to the ignition key through fuse holder the radio or any accessories fuse. -
Page 5: Input And Controls
Input and controls RA25 & RA30 Input Wiring RA30 high level input for ch 3 & 4. Inputs may be low level from the RCA output of the The RA30 three channel amplifier is connected car stereo, or high level from the car stereo speaker likewise, however we have three channels. -
Page 6: Input Level Control
RA25 & RA30 Crossovers Input Level control The DLS Reference amplifiers include high pass The input level control, 7V – 0,2 V, filter (HP) and low pass filters (LP). The highpass matches the output of your radio to GAIN filter on RA25 can also be used as a subsonic filter. -
Page 7: Ra25 Speaker Wiring: Front Speakers
RA25 Speaker wiring RA25 RA25 is a 2-channel stereo amplifier. It can be connected either as a stereo amplifier for fullrange speakers, or as a mono amplifier for a single driver connected in bridge mode. One speaker connected in mono bridge mode Two fullrange speakers connected in stereo mode NOTE! -
Page 8: Ra30 Speaker Wiring: Two Speakers + Subwoofer
RA30 Speaker wiring RA30 RA30 is a 3-channel stereo amplifier. It is normally used to connect one pair of front/rear fullrange speakers, and one or more subwoofers connected to the mono sub channel. Two fullrange speakers and one subwoofer to Filter settings channel 3 &... -
Page 9: 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 10: 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 11: Specifications
RA25 & RA30 Specifications DLS CLASSIC RA25 RA30 Number of channels Working mode Power output at 13,8 Volt, 20 Hz - 20 kHz, max 0,1 % THD, all channels driven. Power output, 4 ohm 2 x 70 W 2 x 70 W + 1 x 265 W... - Page 12 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...