Table of Contents
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1
Installation
1.1 Introduction
The power amplifier DA480-R has been developed to satisfy most of the professional audio
installations and designed to provide performance with the best stability and reliability,
permitting a continued use without failure and without the need of maintenance.
The power stages circuitation is based on the new generation "Class D" technology that
permit to obtain high quality performance, low heat dissipation and that permit to keep
distortion within a very small range also with a high power supplied.
Power supply circuit is "switch mode" with the benefit of high efficiency and reduced weight.
1.2 Contents of the DA 480-R
Contents of the DA480-R kit:
n° 1 DA 480-R device
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n° 1 user manual
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n° 1 power supply cable
1.3 Safety rules
Read carefully the following warnings to keep your and others safety, for the right use of the
device and to avoid warranty invalidation.
1. Do not expose the device to rain or high humidity. Protect the device from accidental liquid
penetration, if it happens, stop using the device and apply to qualified or authorized
personnel.
2. Do not insert things into the device through the openings to avoid risk of fire or electric
shock.
3. Before connect the amplifier, ALWAIS verify the ground connection as requested by the
law.
4. Disconnect the device from the light socket before make any operation for the internal
device configuration.
5. This power amplifier has been designed and produced to operate ONLY with a 230VAC
mains power.
6. If the original power cord is waste or deteriorate, replace it with a similar one.
7. For speakers connections the use of cables with appropriate section and that meet the
safety laws is suggested
8. Switch on the amplifier only after all the other components of the sound system have been
connected and switched on, to avoid hums and annoying noise from the speakers.
9. Disconnect the device from the light socket before make cleaning operations. Clean the
device with a dry and soft cloth. Do not use liquids or spray that can contain flammable
elements.
DA 480-R User manual v.1
Page 3
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