Related Manuals for DS18 FX1
Summarization of Contents
Introduction to DS18 FX Series Amplifiers
Key Features of DS18 FX Series Amplifiers
Highlights IPX5 water resistance, stable Class D design, LED clipping indicator, and more.
DS18 FX Series Amplifier Controls and Terminals Explained
Remote Level Control Terminal
Connects the remote level control for subwoofer adjustment.
RCA Input Connections
Details on connecting source units with RCA or Line level outputs.
Filter Mode and Frequency Control
Adjusts frequencies for channels, offering LPF, Full Range, or HPF options.
Crossover Selector
Selects between High Pass, Low Pass, or Full Range for channels.
Sensitivity (Gain) Adjustment
Input gain adjustment knob ranging from 0.25V to 6V.
Bass Boost Control
Variable control for boosted bass output at 45Hz.
Speaker Output Terminals
Connect speakers here, ensuring correct polarity for optimal sound.
Power Fuse
Standard automatic fuse; use the same rating for replacement.
Main Power Input Terminal
Connects directly to the positive battery terminal for amplifier power.
Remote Turn-On Terminal
Applies 12 volts to turn the amplifier on, typically from the head unit.
Ground Connection Terminal
Connects directly to the negative battery terminal for proper grounding.
LED Indicators (Power, Protect, Clip)
Indicates amplifier status: power on, protection mode, or clipping.
Input Mode Selection
Allows selection between 2-channel or 4-channel input operation.
Phase Adjustment Switch
Synchronizes subwoofer output phase with other speakers.
Subsonic Filter Control
Filters out frequencies below the set subsonic crossover point.
Low Pass Filter (LPF) Knob
Adjusts the low-pass filter frequency from 50Hz to 250Hz.
Wiring and Cableado
Stereo and Bridge Wiring for FX4 and FX6 Models
Visual guides for stereo low-level and bridge low-level RCA wiring.
Troubleshooting Common Issues
Amplifier Not Powering Up
Steps to diagnose and resolve power issues with the amplifier.
High Hiss or Engine Noise
Troubleshooting steps for unwanted noise in the audio system.
Protection LED Indicator
Diagnosing issues when the protection LED is illuminated.
Amplifier Overheating
Causes and solutions for the amplifier getting too hot.
Distorted Sound Issues
Steps to fix distorted audio output.
High Squeal Noise from Speakers
Addresses high-pitched noise, often related to RCA grounding.
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