AUDAC DPA154, User Manual & Installation Manual

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3
Introduction
This section briefly describes the possibilities of the DPA74/154 Class-D Power
Amplifiers.
he DPA series amplifiers are digital power amplifiers designed to meet the specialized
needs of sound contractors. They are designed in six different models of Class D
power amplifiers, divided in three different architectures to meet the requirements
for all kinds of applications.
They combine the best of all features in one single series of amplifiers, providing an
outstanding sound quality with all the known advantages of Class D Amplifiers. Such as the
excellent efficiency and very low heat dissipation. And due to the complete passively cooled
entity only a minimal of maintenance is needed, while ensuring maximum reliability.
The small size of a single rack space make them very interesting for fixed rack mount as well
as mobile applications.
The DPA74 and DPA154 are four channel Class D amplifiers capable of delivering a power
up to 4 x 150 Watt., with various specific features and advanced protection circuitry which
protects against DC malfunctioning, short circuit, overheating and overload.
The signal input connections are accommodated with balanced XLR connectors. The
operation mode can be selected between Stereo mode, Bridge mode and Parallel mode.
The output connections are accommodated with Euro-Terminal blocks
T