Table of Contents
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How to install and operate the DLS CA20,
the CA21, CA40 and the CA50 amplifiers.
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.
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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 and Outputs.....................
Inputs and controls.....................
Grand Bass,Crossovers................
CA40 Crossovers........................
CA20 and CA21 speaker
wiring:
Front speakers............................
Subwoofer.................................
Four speakers............................
active crossovers......................... 10
Two subwoofers..........................
Four speakers............................
Subwoofer......................................
Testing......................................
Trouble-shooting.......................... 12
Professional tips..........................
Specifications.............................. 14
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Table of Contents
Related Manuals for DLS CLASSICAMPENG03
Summary of Contents for DLS CLASSICAMPENG03
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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
Amplifier location Important Allow air circulation around the amplifier. The DLS Classic series of amplifiers have a compact design that allows great flexibility 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. -
Page 3: Tools And Materials Needed
CA20, 21, 40 & 50 Routing wires Tools and material needed Tools: # # # # # Flat and Phillips screwdrivers # # # # # Wire cutter # # # # # Wire stripper # # # # # Electric drill with drills # # # # # Crimping tool... -
Page 4: Wiring
If there is no remote voltage available from the stereo, you must connect to the ignition key through the radio or any accessories fuse. DLS FH1 fuse holder For High Level input: We recommend you to connect the remote wire as Connect the battery cable by a crimp fork terminal described above. -
Page 5: Input And Controls
CA20, 21, 40 & 50 Input and controls Input Wiring CA40 Inputs may be low level from the RCA output of the The CA40 four channel amplifier is connected car stereo or high level from the car stereo speaker likewise, however we have four channels. output.Low level = RCA is to prefer for the best sound You can feed two channels from RCA and two quality. -
Page 6: Input Level Control
If the switch is set to wrong position, the amplifier still works, but the risk for disturbances or distortion All DLS Classic amplifiers include high pass filter increases. ( HPF ) and lowpass filters ( LPF). In CA21 the high pass filter is used as a subsonic filter. -
Page 7: Ca40 Crossovers
CA20, 21, 40 & 50 Crossovers of CA40 The CA40 is a four channel amplifier. It is mostly used with a front system connected to channels C and D and a subwoofer connected to channel A + B. You will find speaker wiring and filter set- ting example on page 9. - Page 8 CA20, 21 Speaker wiring CA 20 & CA21 One subwoofer connected in bridge mode to Two fullrange speakers to CA20 or CA21 CA20 or CA21 NOTE! Filter settings 4 ohm minimum load when using bridge mode connection. Lower impedances may damage the 50Hz 220Hz amplifier.
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Page 9: Front Speakers
CA40 Speaker wiring CA 40 Four fullrange speakers to CA40. One pair in Two fullrange speakers and one subwoofer front and one pair in rear. to CA40. Rear speakers Front speakers Rear subwoofer Rear or front speakers Filter settings A/B Channels Filter settings A/B Channels Multiply Multiply... -
Page 10: Two Way Front System With Active Crossovers
CA40 Speaker wiring CA 40 Two subwoofers connected in bridge mode One 2-way speaker system to CA40 using to CA40 active crossover between tweeter and midrange Midrange Tweeters NOTE! 4 ohm minimum load when using bridge mode connection. Lower impedances may damage the Filter settings A/B Channels amplifier. -
Page 11: Ca50 Speaker Wiring: Four Speakers
CA50 Speaker wiring CA 50 Four fullrange speakers to CA50. One pair in Subwoofer to CA50 front and one pair in rear. The CA50 is a five channel amplifier. On channel A, B, C &D the filter confoguration is exactly the same as for CA40. -
Page 12: 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. 5. To start the amplifier requires a remote voltage of Test power wiring 9-15 volt. -
Page 13: 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 14: Specifications
CA20, 21, 40 & 50 Specifications DLS CLASSIC CA 20 CA 21 CA40 CA50 Number of channels Power output in 4 ohm (0,1% THD) 2 x 50 W 2 x 100 W 4 x 50 W 4 x 50 W... - Page 16 DLS Svenska AB P.O. Box 13029 Artillerigatan 25 S-40251 Göteborg, Sweden Tel: +46 31 840060 Fax: +46 31 844021 E-mail: info@dls.se www.dls.se...