DLS ra20 Bruksanvisning

DLS bilradio ra20

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How to install and

operate the DLS

Reference series

car audio amplifiers

RA20 & RA40.

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

Input and controls………………..... 5

Input wiring..................................... 5

Input level control.......................... 6

Grand Bass..................………….... 6

Phase control................................. 6

Crossovers..................................... 6

RA20 speaker wiring:

Front speakers…...……………….... 7

Subwoofer…………………………... 7

RA40 speaker wiring:

Four speakers…………………….... 8

Two speakers + bridged subwoofer. 8

Two speakers in bridge mode......... 9

Testing……………………………….. 9

Troubleshooting……………………... 9

Professional tips…………………….. 10

Specifications………………………... 11

RA20

RA40

All models include

RCA inputs

High Level input

Continuos variable low pass and/or high-

pass crossovers

Grand bass feature 0 - +18 dB

Phase shift continously variabel 0-180 degr.

Remote turn on / off

Automatic remote turn on/ off on high level

input without connecting any remote wire

Electronic protection circuitry against

short-circuit, DC offset and thermal overload.

Bridgeable design to direct full power to

one or two speakers.

Installation

Before you begin installation

Before you begin you need to read the manual, to have

some tools, cables and other material available. There

is one such list of material on the following page.

Amplifier location

Important

Allow air circulation around the amplifier.

Disconnect Battery

Before starting the instal-

lation, always disconnect

the negative terminal of

the battery.

The DLS Reference 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.

Choose a location where air can circulate freely

around the amplifier. Do not cover the amplifier

with carpets or hide behind trim panels.

Do not mount the amplifier in an inverted or upside

down position.

Check all locations and placements carefully

before making any cuts, drilling any holes or ma-

king any connections.

This is the best way to

mount the amplifier to get

the best cooling.

RA20 & RA40

DLS logo on amplifier cooling flange

The DLS logo on top of the amplifier is attached

with two hex. screws. The logo can be removed

and twisted 90 or 180 degrees, and then screwed

back in wanted position. The logo can be mounted

in four different ways to match your installation.

Tools and material needed

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

Grease to protect the ground

connection from oxidation

Material:

Speaker wire: minimum

12 AWG = 4 mm2 for subwoofers

13 – 16 AWG = 1,5-2,5 mm2 for other

speakers

Sheet metal screws for mounting the

amplifier to the amplifier board and the

amplifier board to the car + some extra

for fuse holder, amplifier ground etc.



Electrical insulation tape

½ inch thick plywood or particle board for

the amplifier to be mounted upon.

Amplifier installation kit:

If available,buy an amplifier installation kit. It

contains normally all you need. This is what you

have to buy if you buy the items separately

20- 25 feet = 6- 7.5 meter power cable,

minimum AWG 5 = 16 mm2 or heavier

1 pc of fuseholder to install close to the

car battery + fuse 50 Ampere.

20 feet of AWG 15 = 1,5 mm2 wire for

remote turn on / off cable from radio.

RCA-cable for input from radio.

- 20 feet or 5 meter for trunk installations

-12 feet or 2 – 3 meter for under seat

installations

Two ring crimp terminals –one

for connection to the battery plus and one

for the amplifier ground connection.

Four to eight splicers to connect speaker

cables to high level input cable, if high level

input is used.

Wire ties

Insulating grommet or insulating tube

Stereo

head unit

Professional Tip:

If amplifier installation kits are available with diffe-

rent size of power cable, chose the most heavy

power cable to improve sound quality and to allow

more amplifiers to be installed now or later.

Use minimum AWG 5 = 16 mm2 cable, but if

possible buy AWG 4 = PL 21 mm2 cable for best

performance.

The ground cable must have the same size.

RA20 & RA40

Routing wires

Produktspecifikationer

Varumärke:	DLS
Kategori:	bilradio
Modell:	ra20
Färg på produkten:	Black, Grey
Vikt:	1830 g
Bredd:	175 mm
Djup:	160 mm
Höjd:	110 mm
Sladdlängd:	10 m
Förpackningens vikt:	- g
Förpackningens bredd:	261 mm
Djuppackning:	192 mm
Förpackningshöjd:	150 mm
Snäll:	Verdringerpomp
Tillgångar:	12 W
Teleskoprör:	Ja
Typ av förpackning:	Doos
Korrekt användning:	Vijver
Lämplig för utomhusbruk:	Ja
Maximal arbetsbelastning:	- bar
Produkter per pall:	96 stuk(s)
Förpackningsvolym:	16000, 7000 cm³
Flödeshastighet:	1100 L/u
Max leveranshöjd:	1.3 m
Intrastatkod:	84137021
Minimum antal:	2 stuk(s)
Anslut trådtyp:	G1, G3/4
Leveranshuvud:	1.3 m
Reversibel:	Ja
Frystålig upp till och med:	-20 °C
Sprayhöjd:	150 mm
Justeringsområde för teleskoprör:	200 - 480 mm