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General| Brand | Lab.gruppen |
|---|---|
| Model | D 80:4L |
| Category | Amplifier |
| Language | English |
Comprehensive safety guidelines for operating the amplifier, covering all essential precautions.
Explains standard warning symbols and provides essential safety warnings.
Explains how to prevent loudspeaker damage from overpowering.
Explains the front grille attachment and the cooling system for proper airflow.
Key precautions to follow before connecting or powering the amplifier.
Discusses output stage technologies and their performance characteristics.
Shows power delivery capabilities across different loads when all channels are driven equally.
Explains the RPM feature for flexible power allocation across amplifier channels.
Details Auto RPM, Custom RPM, and CAFÉ with ESP configuration modes.
Overview of the various protection circuits integrated into the amplifier.
Explains the ISVPL as a high-quality voltage limiter for seamless output limitation.
Details ISVPL profiles for low distortion/high SPL and voltage threshold settings.
Explains the CPL's role in preventing damage by limiting output current.
Describes the PAL warning when the PSU operates at maximum average input power.
Details the BEL feature that models external breaker behavior to prevent tripping.
Covers Under Voltage Limiter (UVL) and Current Average Limiter (CAL).
Details the temperature sensing system for protection against overheating.
Covers DC protection for loudspeakers and VHF detection protection.
Details advanced internal control and monitoring functions of the power supply.
Describes protection against over-voltage, under-voltage, instability, and glitches.
Step-by-step tutorial for configuring a typical loudspeaker system setup.
Comprehensive list of faults and warnings with descriptions and recommended actions.
Details AMP and SIGNAL category faults and warnings with actions.
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