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OWNER'S MANUAL / MANUAL DEL USUARIO
SMD-200.4AB /SMD-300.4AB
SMD-2000.1D / SMD-3000.1D
SMD-500.4AB / SMD-2800.5
SMD-5000.1D / SMD-8500.1D
SMD MONOBLOCK & MULTI-CHANNEL
AMPLIFIERS WITH VM-1 VOLTMETER AND
DIGITAL LED LIGHTS
AMPLIFICADORES MONOBLOCK Y
MULTICANALES SMD CON
VOLTIMETRO VM-1 Y LUCES LED DIGITALES
FOR MORE INFORMATION PLEASE VISIT
ENGLISH
ESPAÑOL
DS18.COM
V1
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Table of Contents
Related Manuals for DS18 SMD-2800.5
Summarization of Contents
SMD Amplifier Features
Exclusive SMD Design with VM-1 Voltmeter
Features exclusive SMD design with VM-1 voltmeter for monitoring power.
Front Acrylic Window and Digital RGB Lighting
Includes a clear acrylic window with digital RGB lighting for customizable aesthetics.
IR Remote Control for LED Patterns and Colors
Allows control of LED patterns and colors via an infrared remote.
Metal Adjustment Knobs with Click Position
Features durable metal adjustment knobs with tactile click positions for precise settings.
Professional Tiffany RCA Terminals
Utilizes professional Tiffany RCA terminals for high-quality audio connections.
Selectable Crossover Filters (Multi-Channels)
Offers selectable crossover filters for multi-channel amplifier configurations.
Input Mode Selectable (2/4ch) (Multi-Channels)
Allows selection of input mode (2/4ch) for multi-channel setups.
Remote Level Control with Clip Indicator
Includes a remote level control knob with a clip indicator for gain adjustment.
Surface Mount Component Technology
Employs surface mount component technology for enhanced reliability and performance.
Built-in Dual Cooling Fans
Equipped with dual built-in cooling fans to manage heat dissipation effectively.
Bonded Components for Vibration Protection
Features bonded components for increased resistance against vibration damage.
Audio Quality Verification Instruments
Audio quality is verified using professional Audio Precision instruments.
Reliable Korean Board Design
Built on a reliable, heavy-duty Korean printed circuit board design.
Power, Protection, and Clipping LED Indicators
Top panel features LED indicators for power, protection, and clipping status.
High Efficiency Digital Circuit Design (Monoblocks)
Monoblock models feature a very high efficiency digital circuit design.
High Power Class AB Circuit Design (Multi-Channels)
Multi-channel models feature a high power class AB circuit design.
Controls and Adjustments: SMD-200.4AB / SMD-300.4AB / SMD-500.4AB
Input Mode Selection
Selects input signal mode for 2-channel or 4-channel operation.
Gain Adjustment
Controls the input sensitivity or gain level for optimal output.
Bass Boost Control
Adjusts the low-frequency boost level and frequency range.
Crossover Filter Adjustment
Sets the crossover point for high-pass, low-pass, or full-range filtering.
Phase Selector
Synchronizes subwoofer output phase with other speakers.
Crossover Selection Switch
Chooses between high-pass, low-pass, or full-range crossover modes.
Power and Status Indicators
Displays power status, clipping, and protection modes via LEDs.
Speaker Output Terminals
Terminals for connecting speakers to the amplifier's outputs.
Power Input and Ground Terminals
Connectors for main power supply (12V), remote turn-on, and ground.
Controls and Adjustments: SMD-2800.5
Input Mode Selection
Selects input signal mode for 2-channel or 4-channel operation.
Gain Adjustment
Controls the input sensitivity or gain level for optimal output.
Bass Boost Control
Adjusts the low-frequency boost level and frequency range.
Crossover Filter Adjustment
Sets the crossover point for high-pass, low-pass, or full-range filtering.
Phase Selector
Synchronizes subwoofer output phase with other speakers.
Crossover Selection Switch
Chooses between high-pass, low-pass, or full-range crossover modes.
Power and Status Indicators
Displays power status, clipping, and protection modes via LEDs.
Speaker Output Terminals
Terminals for connecting speakers to the amplifier's outputs.
Power Input and Ground Terminals
Connectors for main power supply (12V), remote turn-on, and ground.
Controls and Adjustments: Monoblock Amplifiers
RCA Audio Input Connection
Connects the audio source signal to the amplifier via RCA cables.
Level Sensitivity Adjustment
Sets the amplifier's pre-amp sensitivity level for optimal gain matching.
Bass Boost Frequency and Level
Adjusts the bass boost frequency and the amount of boost from 0 to 9dB.
LPF/HPF Crossover Frequency
Sets the frequency for low-pass or high-pass filtering of audio signals.
Crossover Selection Switch
Selects high-pass, low-pass, or full-range crossover operation.
Phase Setting
Synchronizes the phase of the subwoofer output with other speakers.
Power Protection Indicator LED
Green LED for normal operation, red for protection mode.
Input Mode Selection (4CH/5CH)
Configures how input signals are processed for 4-channel or 5-channel modes.
Remote Level Control Connection
Connects a remote level control knob for subwoofer volume adjustment.
Clipping Indicator and Prevention
Monitors and helps prevent audio signal clipping for cleaner sound and protection.
Amplifier Setup and Operation
Setting Amplifier Gains
Detailed guide on setting amplifier gains correctly to avoid clipping and optimize performance.
Gain Setting Tips and Tools
Advice on using tools like oscilloscopes and tips for accurate gain adjustment.
Subsonic Filter Operation
How to use the subsonic filter to manage very low frequencies in the audio signal.
Link Mode Configuration
Instructions for connecting and configuring multiple amplifiers for daisy-chain operation.
Speaker Terminal Connection Best Practices
Guidelines for correctly connecting speaker wires to the amplifier terminals.
Power and Ground Input Terminal Details
Information on power input terminals, ground connections, and wire gauge compatibility.
Remote Level Control Functionality
Explanation of the remote level control for adjusting subwoofer output.
Amplifier Mounting and Bass Boost
Proper Tools for Gain Setting
Recommends using a distortion detector or oscilloscope for accurate gain setting.
Gain Setting Procedure Details
Provides detailed steps for setting amplifier gains correctly to avoid clipping.
Amplifier Mounting Location
Guides on choosing the best and safest location for mounting the amplifier.
Bass Boost Control Function
Explains the variable bass boost control available on monoblock amplifiers.
Installation Safety Warnings
Critical safety warnings regarding fuse installation and wire routing.
Power Connections
Ground (GND) Connection
Instructions for making a proper ground connection to the amplifier chassis.
Remote (REM) Connection
How to connect the remote turn-on wire from the head unit.
12V Power Connection
Details connecting the main 12V power wire, including fuse/breaker placement.
Power Connection Diagrams
Monoblock Power Connection Diagrams
Wiring diagrams for connecting power to monoblock SMD amplifiers.
Multi-Channel Power Connection Diagrams
Wiring diagrams for connecting power to multi-channel SMD amplifiers.
Speaker Output Connection Diagrams
Diagrams showing speaker output connections for different SMD models.
Speaker Out Connections: Mono Amplifiers
Dual Speaker Wire Connection
Instructions for connecting two speakers to a mono amplifier.
Single Speaker Wire Connection
Instructions for connecting a single speaker to a mono amplifier.
Speaker Out Connections: Multi-Channel Amplifiers
4-Channel Speaker Connection
How to connect four speakers to a 4-channel amplifier.
Stereo Mode Speaker Connection
Speaker wiring for stereo mode on multi-channel amplifiers.
Bridge Mode Speaker Connection
Speaker wiring for bridged mode on multi-channel amplifiers.
Speaker Out Connections: SMD-2800.5
Stereo Mode Speaker Wiring
Wiring diagrams for connecting speakers in stereo mode for the SMD-2800.5.
Bridge Mode Speaker Wiring
Wiring diagrams for connecting speakers in bridge mode for the SMD-2800.5.
Link Mode Connections for Monoblock Amplifiers
Input Connection for Linked Amplifiers
How to connect the input signal between linked master and slave amplifiers.
Speaker Connection for Linked Amplifiers
How to connect speakers to linked master and slave amplifiers.
Link Mode Important Notes
Crucial information regarding impedance and voltage for linked amplifiers.
Troubleshooting Guide
No Sound Issues
Solutions for no sound, checking power and signal connections.
Diagnostic LED Issues
Steps to take when the diagnostic LED indicates a problem.
Protection Mode Shut Down
How to address amplifier shut down due to protection mode activation.
Speaker Wire Shorts
Troubleshooting steps for shorted speaker wires causing issues.
Amplifier Not Turning On
Diagnosing and resolving issues when the amplifier fails to power on.
Single Channel No Sound
Troubleshooting for sound issues occurring on only one channel.
Amplifier Shutting Off at High Volume
Identifying causes and solutions for amplifier turning off at high volume.
Speaker Load Impedance
Ensuring proper speaker load impedance is observed to prevent damage.
Dimensions and Warranty
Amplifier Physical Dimensions
Provides physical dimensions for various SMD amplifier models.
Warranty and Safety Warnings
Information on warranty policy and important safety warnings.
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