DLS RM40 Owner's Manual

DLS RM40 Owner's Manual

Reference rm-series amplifiers

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How to install and operate the
Reference RM-series amplifiers
RM10 - RM15
RM20 - RM30
RM40
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 Reference series 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 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 coun-
try. Information can also be found on our WEB-site
www.dls.se
We follow a policy of continuous advancement in
development. For this reason all or part of
specifications & designs may be changed without
prior notice.
DECLARATION OF CONFORMITY
DLS amplifiers for vehicles are manufactured in
accordance with the EU directive EEC 95/54 (72/245/
EEC) and are marked with the approval number.
They are also marked in accordance with the WEEE-
directive 2002/96/EC.
The products are also produced in accordance with
the EU RoHS directive 2002/95/EC.
Contents
Features...................................
Installation................................
Routing Wires............................
Power and Outputs.....................
Inputs and controls......................
Input level control...........................
Crossovers, etc..............................
Features on each model................
RM10 speaker wiring:
Subwoofer.......................................
RM15 speaker wiring:
Subwoofer.......................................
RM20 speaker wiring:
Front speakers.............................
Subwoofer.................................
Four speakers.............................
Testing......................................
Troubleshooting...........................
Professional tips..........................
Specifications.............................. 15
This product must be returned to the
separate collection system for electronic
products. Do not dispose this product
together with general household waste.
DLS Svenska AB
P.O. Box 13029 - SE-40251 Göteborg - Sweden
Tel: +46 31 840060 - Fax: +46 31 844021
E-mail: info@dls.se
www.dls.se
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Summarization of Contents

Installation Guide
Disconnect Battery Before Installation
Crucial safety step: always disconnect the negative battery terminal before commencing installation.
Choosing Amplifier Location
Select a mounting spot that allows ample air circulation around the amplifier for heat dissipation.
Mounting and Logo Placement
Use correct screws and consider rotating the DLS logo for optimal visual alignment.
Tools and Wiring
Essential Tools for Installation
Lists necessary tools such as screwdrivers, wire cutters, crimping tools, and a multimeter.
Required Installation Materials
Details materials like speaker wire, mounting screws, electrical tape, and mounting boards.
Routing Wires Safely
Illustrates wire routing, emphasizing proper ground connection and power wire gauge selection.
Wiring and Connections
Power Terminal (+12V) Wiring
Instructions for connecting the +12V power cable, fuse holder, and using grommets.
Ground Terminal (GND) Connection
Guidance on creating a clean, unpainted metal ground connection for optimal performance.
Remote Terminal Connections
How to connect the remote turn-on wire for automatic amplifier activation from the head unit.
Power and Protect Indicator Lights
Explains the function of the green Power light and the red Protect light.
Input Signal and Controls
Input Signal Options: Low vs. High Level
Details on using RCA (low-level) or speaker wire (high-level) inputs for audio signal.
Connecting Low-Level (RCA) Inputs
Guidance on using RCA cables, optimal routing, and connecting to specific amplifier models.
Connecting High-Level Inputs
Instructions for wiring speaker outputs directly to the amplifier's high-level inputs.
Automatic Turn-On with High-Level Input
Explains how high-level inputs enable automatic amplifier turn-on without a remote wire.
Features and Crossover Functions
Setting Input Gain (Level Control)
Procedure to match the head unit's output level to the amplifier's input sensitivity.
Bass Boost Functions (SUB EQ/BASS EQ)
How to use SUB EQ and BASS EQ to increase bass volume at specific frequencies.
Phase Switch Adjustment
Adjusts subwoofer phase (0 or 180 degrees) for optimal soundstage.
High-Pass Filter (HPF) Settings
Details on using the HPF to block low frequencies and protect speakers.
Low-Pass Filter (LPF) Settings
How the LPF passes only low frequencies, primarily for subwoofer use.
Model-Specific Features and Filters
RM10 Amplifier Details
Lists filters (LPF, Sub EQ, Phase) and features for the RM10 mono amplifier.
RM15 Amplifier Details
Lists filters (LPF, Subsonic/HPF, Phase, Sub EQ) and features for the RM15 mono amplifier.
RM20 Amplifier Details
Lists filters (LPF, Subsonic/HPF, Bass EQ) and features for the RM20 2-channel amplifier.
RM30 Amplifier Details
Lists filters (HPF, LPF, Phase) and features for the RM30 3-channel amplifier.
RM40 Amplifier Details
Lists filters (HPF, LPF) and features for the RM40 4-channel amplifier.
RM10 Speaker Connections and Features
Connecting Subwoofers to RM10
Illustrates connecting one or two 4-ohm subwoofers, noting minimum 2-ohm load.
RM10 Low Pass Filter (LPF) Settings
Guidance on setting the LPF frequency and slope (12/24 dB) for subwoofers.
RM10 Subwoofer EQ and Phase
Details on using SUB EQ for bass boost and the PHASE switch for soundstage.
RM10 Remote Sub Level Control
How to connect an external control for adjusting subwoofer volume from the front seat.
RM15 Speaker Connections and Features
Connecting Subwoofers to RM15
Illustrates connecting one or two 4-ohm subwoofers, noting minimum 2-ohm load.
RM15 Low Pass Filter (LPF) Settings
Guidance on setting the LPF frequency and slope (12/24 dB) for subwoofers.
RM15 Subsonic Filter
How to use the Subsonic filter to block very deep frequencies for subwoofers.
RM15 Phase and Subwoofer EQ
Details on adjusting the PHASE switch and SUB EQ for optimal bass.
RM20 Speaker Connections and Filters
RM20 Full-Range Speaker Connections
Connecting coaxial or component speakers to the left and right channels.
RM20 Subwoofer Bridge Mode Connection
How to connect a 4-ohm subwoofer in bridge mode, noting minimum 4-ohm load.
RM20 Low Pass Filter (LPF) Settings
Guidance on setting the LPF frequency for subwoofer use.
RM20 Subsonic Filter
How to use the Subsonic filter to block very deep frequencies.
RM20 Bass EQ Function
Details on using the BASS EQ to boost bass frequencies at 80Hz.
RM30 Speaker Connections and Filters
RM30 Subwoofer Connections
Connecting one or two 4-ohm subwoofers to the mono channel (CH3+CH4).
RM30 Front Speaker Connections
Connecting full-range speakers to the front channels (CH1+CH2).
RM30 Front Channel High-Pass Filter
Using the HPF on front channels to protect smaller speakers from low frequencies.
RM30 Subwoofer Low-Pass Filter
Setting the LPF for subwoofers on the mono channel.
RM30 Subwoofer Phase Switch
Adjusting the phase switch for optimal subwoofer soundstage.
RM40 Speaker Connections and Filters
RM40 Four Speaker Configuration
Connecting four full-range speakers to all channels.
RM40 Bridge Mode for Subwoofer
Connecting a 4-ohm subwoofer in bridge mode to channels 3 & 4.
RM40 Front Channel High-Pass Filter
Using the HPF on front channels to protect smaller speakers from low frequencies.
RM40 Rear Channel Low-Pass Filter
Setting the LPF for subwoofers on the rear channels.
Testing and Troubleshooting
Post-Installation Testing Procedure
Steps to test power wiring, remote turn-on, and speaker operation after installation.
Troubleshooting: Amplifier Dead
Steps to diagnose issues when the amplifier shows no power.
Troubleshooting: Protection Fuse Blows
Diagnosing causes for protection fuses blowing at low volume, such as shorted cables.
Troubleshooting: Amplifier Turns Off
Addressing issues where the amplifier shuts down due to overheating or low impedance.
Troubleshooting: No Speaker Output
Steps to diagnose problems with no sound from one or more speakers.
Professional Tips and Best Practices
Preventing Noise Problems
Tips for eliminating whining noises related to engine RPM or constant noise.
Speaker Polarity Check
Ensuring speakers are wired in phase for correct soundstage and bass response.
Trunk Installation Advice
Guidance on running wires in the trunk, using insulated channels, and removing trim.
Wire Securing and Separation
Best practices for bundling wires with ties and keeping signal, speaker, and power wires separate.
Crimp Connection Technique
Instructions on how to properly strip wires and make secure crimp connections.
Technical Specifications
RM10, RM15, RM20 Specifications
Detailed technical specifications for RM10, RM15, and RM20 amplifiers.
RM30, RM40 Specifications
Detailed technical specifications for RM30 and RM40 amplifiers.

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