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……………………………..
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
Input level control..........................
6
Grand Bass..................…………....
6
Phase control.................................
6
Crossovers.....................................
6
RA25 speaker wiring:
Front speakers…...………………....
7
Bridge connection…………………...
7
RA30 speaker wiring:
Two sp subwoofer …….....
8
Testing………………………………..
9
Troubleshooting……………………...
9
Professional tips……………………..
10
Specifications………………………...
11