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Okur A7M 2000.1
User manual
DB Drive Okur A7M 2000.1 User Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Introduction
Recommendation
Safety Precautions
Features and Benefits
DC Offset Protection
Short Circuit Protection
Thermal Protection
Bass Boost
Mounting Location
Power Connections
Connect the Amplifier to the Car's Battery
Signal Connections
Speaker Connections
Mono Signal Connection
Signal Connection
Remote Bass Control Module
Adjustments and Settings
Fine Tune the System
Troubleshooting
Specifications
No Output
Low Output
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Quick Links
1
Introduction
2
Recommendation
3
Power Connections
4
Speaker Connections
5
Adjustments and Settings
6
Specifications
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A7M 100.4, A7M 750.1, A7M 1250.1, A7M 2000.1
Due to continuous improvement of the product the Specifications are subject to change without notice.
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Summarization of Contents
Limited Warranty Information
Introduction
Keep Your Sales Receipt
Attach your sales receipt to the manual for warranty service.
Installation Recommendation
Proper installation maximizes performance. Read the manual carefully.
Safety Precautions
Fuse Amplifier Power Wire at Battery
Fuse power wire within 12" of the car's battery for protection.
Use High-Grade Wire Connectors
Use high-grade barrier spades and terminal rings for secure connections.
Avoid Under-Vehicle Wiring
Run wires through carpet/side panels to prevent damage or cuts.
Caution During Amplifier Mounting
Be aware of vehicle lines (gas, brake) when drilling mounting holes.
Route Signal Wires Away From Electrical Wires
Prevents induced noise like popping or engine sounds.
Shorten Ground Wires and Ground at One Point
Reduces ground loops and engine noise for optimal performance.
Avoid Sharp Edges When Running Wires
Use grommets to protect wires from sharp edges and prevent shorts.
Hearing Loss and Traffic Safety Warning
High sound levels can cause hearing loss and impair awareness of traffic.
Features and Benefits
DC Offset Protection
Shuts down amplifier to protect speakers from DC voltage at the output stage.
Short Circuit Protection
Shuts down amplifier to protect against speaker or wiring shorts.
Thermal Protection
Shuts down amplifier to cool off when operating temperature becomes excessively high.
Power Indicator (LED)
Diagnostic LED illuminates when the amplifier is on and receiving power.
Built-in Crossover
Features variable crossovers for precise low pass filtering and independent HPF/LPF.
Power and Speaker Distribution Blocks
Heavy gauge blocks for maximum power and signal transfer with minimal resistance.
Bass Boost
Selectable 6dB-12dB bass boost at 45Hz for enhanced low frequency performance.
Line Out Feature
Full range line outputs for connecting additional amplifiers, buffered to reduce signal loss.
Power Fusing Feature
Protects the amplifier against short circuits and excessive current.
Remote Turn-on Feature
Automatically turns amplifier on/off with the head unit's remote output.
Adjustable Input Sensitivity
Allows fine-tuning of the level match between the source and the amplifier.
Low Impedance Stability
Specifies stable operating impedances for different amplifier models.
Mounting Location
Power Connections
Connect Amplifier to Car Battery
Use 4-8 gauge wire and an in-line fuse within 12" of the battery for safety.
Connect Amplifier Ground to Chassis
Use a short 4-8 gauge wire, ensuring a clean point on the car's chassis.
Connect Amplifier Remote Terminal
Connect to the radio's REMOTE output or power antenna wire for auto turn-on.
Signal Connections
Mono Signal Connection
Connect RCA output from head unit to amplifier RCA input terminals.
4 Channel Amplifier Signal Connection
Connect two pairs of RCA inputs for a 4-channel amplifier setup.
Speaker Connections
Mono Amplifier Speaker Connection
Connect speakers using at least 16 gauge wire, ensuring correct polarity.
4 Channel Amplifier Speaker Connection
Connect speakers using at least 16 gauge wire, ensuring correct polarity.
Speaker Connections (A7M 100.4)
Bridged Mode Caution
Must see a 4 Ohm load or higher in bridged mode to prevent overheating.
Remote Bass Control Module
Mounting and Wiring
Find an accessible location and run control wire away from car's electrical wiring.
Adjustments and Settings
Crossover Adjustment
Select crossover mode (LP/HP/Full) and frequency for desired speaker filtering.
Input Sensitivity Tuning
Adjust gain control to match radio output, avoid distortion, aim for 3/4 volume.
Troubleshooting the System
No Output Troubleshooting
Check for blown fuse, bad RCA cables, power/remote connections, and settings.
Low Output Troubleshooting
Check level adjustments, RCA cables, and master/slave settings.
Engine Noise Troubleshooting
Check grounding points, RCA cables, and vehicle charging system.
Protection LED Illuminated Troubleshooting
Check for speaker shorts, low impedance, or overheating.
Specifications
A7M 100.4 Specifications
Details peak power, frequency response, S/N ratio, input level, and filters.
A7M 750.1 Specifications
Details peak power, frequency response, S/N ratio, input level, and filters.
A7M 1250.1 Specifications
Details peak power, frequency response, S/N ratio, input level, and filters.
A7M 2000.1 Specifications
Details peak power, frequency response, S/N ratio, input level, and filters.
Amplifier Dimensions
Provides length, height, and width for various amplifier models.
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