PL-AUDIO D10K4, Руководство пользователя

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To avoid risk of fire or electric shock, please do not expose this apparatus to rain or moisture. For safe
and reliable operation, the dust covers behind the front panel should be cleaned regularly. If the
dust filters are not maintained there will be safety risks. For example the unit can ignite the dust
and fire will occur due to high internal temperatures. There is also risk that the unit will
malfunction since it is dependent on constant airflow not clean and the unit malfunctions, any
resultant problems will not be covered by the warranty.
1
Introduction
Thank you for choosing our power amplifiers. We are confident that you will be pleased with the
performance, configuration flexibility and reliability.
This manual provides a comprehensive guide to the features and functionality of D-Serie Amps power
amplifiers. Please read through it to become fully acquainted with the many configuration options and multiple
layers of protection circuitry.
Main Features
D - Serie amplifiers incorporate a number of sophisticated technologies (many of them to ensure the
best possible operaion ). Familiarizing yourself with these technologies will prove invaluable in
setting up and optimizing your loudspeaker system.
Voltage Peak Limiter (VPL)
The Voltage Peak Limiter (VPL) feature allows user adjustments that determine maximum voltage output, thus
matching the amplifier to the connected speaker load.
Protection and performance optimization
Appropriate and reliable power amplification is vital to any audio system. Inadequate or faulty power
amplification could cause damage to the Loudspeakers, or in some cases to the power amplifiers themselves.
To prevent any damage or costly service interruptions, D - Serie amplifiers offer advanced features to protect
both internal circuits and any connected loads. These features even protect mains fuse that, in extreme cases,
could be overloaded.
Following are short descriptions of standard built-in protection features:
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CPL (Current Peak Limiter)ensures that the amplifier's output does not exceed the safe current
handling parameters of amplifier components.
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Temperature protection ensures that the amplifier will not be damaged by exceeding thermal limits.
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VHF (Very High Frequency) protection circuits mute the output of the amplifier when nondynamic
continuous signals above 10 kHz are detected.
▲
DC protection ensures destructive DC signals will not appear at the amplifier outputs. If such
conditions occur an internal fuse opens and fault indication is displayed.
▲
Low-impedance (short circuit) protection provides a fault warning indication and shuts down the
output stage when, for example, an input signal is present and a malfunctioning cable or driver is short
circuiting the output.
▲
High-impedance warning reports an alert when, at the same time, output signal is high and no
current draw is measured. This situation might occur when no speakers are connected, or when a
driver is blown.