Table of Contents
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How to install and
operate the
DLS CAT31
24 V amplifier
Welcome!
This owners manual is written in easy english and
uses a lot of drawings to simply the installation and
use of the above amplifier.
Your DLS amplifier must be installed correctly in or-
der 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 installation
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 country.
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
Specifications..............................
Features...................................
Installation................................
Trouble shooting........................
Tools and materials needed..........
Amplifier installation kit................
Routing Wires............................
Power and Outputs.....................
Inputs and controls.....................
Input level control..........................
Crossovers..................................
Phase control.............................
Front stereo speakers...................
Subwoofers..................................
Test.............................................
Professional tips.........................
Approval of electromagnetic compatability according
to the EEC Directive 95/54/EC
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Summary of Contents for DLS CAT31
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Page 1: Table Of Contents
Approval of electromagnetic compatability according You can always phone the DLS Helpdesk in Sweden to the EEC Directive 95/54/EC + 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
DLS logo on amplifier cooling flange mount the amplifier to get the best cooling. 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 Disconnect Battery back in wanted position. -
Page 3: Tools And Materials Needed
High current draw - 20 feet or 5 meter for trunk installations The CAT31-24 Volt is an amplifier with high power out- -12 feet or 2 – 3 meter for under seat put. The current draw is also high so you must make... -
Page 4: Wiring
+12V REM GND (Green) The protect light ( red ) comes on when Protect the amplifier shuts down from (Red) overheating or short circuit. Fuses Use only 20 ampere ATC blade type fuses. CAT31 uses two 20 ampere fuses. -
Page 5: Inputs And Controls
CAT31 Input and controls Input Wiring Input Level control ch. A/B/C (Level) Inputs may be low level from the RCA output of the car The input level control, 5V – 0,25 V, stereo or high level from the car stereo speaker matches the output of your radio to the output.Low level = RCA is to prefer for the best sound... -
Page 6: Speaker Wiring: Front Stereo Speakers
CAT31 Connection of front speakers Parallel input In position PC the signal is internally Two fullrange speakers Parallel Input connected from input A/B to the input connected to ch. A / B. for channel C. A single RCA cable is CAT 31 can handle spea- enough to feed all channels. -
Page 7: Connecting A Center Channel Speaker
You can also use one speaker only, but connect it to nal use and a truck are: the CAT31 amplifier in the bridge mode way. Thus the - 1 the wideness of the car and speaker will receive the Left + Right channel. - Page 8 Bandpass filter for 500 Hz - 6000 Hz Center channel from car stereo head unit for a 4 ohm speaker If you don´t have any attenuators or bandpass filters 1,75 mH available, there is a simple connection using the built 0,15 mH air coil 1 2 3 4 5 6 core coil...
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Page 9: Professional Tips
1,5 Volt route original cable away from source of interference. If noise remains regardless of cable position, try to use so called Quasi-balanced signal cables. DLS PRO or ULTIMATE cables are quasibalanced. Professional Tip: Professional Tip: Installing in trunk Securing wires When installing the amplifier in the trunk, run the Use wire ties to bundle together when possible. - Page 10 Specifications DLS CLASSIC CAT31 - 24 Volt Number of channels Stereo Channels: Ch A & B RMS power out in 4 ohm ( 0,1% THD) 2 x 75 Watt RMS power out in 2 ohm ( 0,1% THD) 2 x 145 Watt...
- Page 12 DLS Svenska AB P.O Box 13029 SE-40251 Göteborg Tel: +46 31 840060 Fax: +46 31 844021 E-mail: info@dls.se www.dls.se...