DLS CA20, How To Install And Operate

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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.
! !
! ! !
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…………………………….. 2
Installation…………………….……. 2
Tools and materials needed………. 3
Amplifier installation kit………….... 3
Routing Wires…………………….... 3
Wiring
Power and Outputs……………..…. 4
Inputs and controls………………... 5
Input level control 6
Grand Bass,Crossovers………….... 6
CA40 Crossovers………………...… 7
CA20 and CA21 speaker
wiring:
Front speakers…...……………….... 8
Subwoofer…………………………... 8
CA40 speaker wiring:
Four speakers…………………….... 9
Two sp bridged subwoofer. 9
Two way front system with
active crossovers……………………. 10
Two subwoofers……………………..
10
CA50 speaker wiring:
Four speakers…………………….... 11
Subwoofer...................................... 11
Testing……………………………….. 12
Trouble-shooting…………………….. 12
Professional tips……………………..
13
Specifications………………………... 14