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CLASS A: This position provides Class A bias to the output stage therefore ensuring the optimum
performance of the amplifier during all listening events. Class A amplifiers run hotter than Class AB
amplifiers, hence our specially designed and distinctive heat sinks. Operating the amplifier in Class A
necessitates two precautions that should be observed.
1.
On switching to Class A, the temperature of the amplifier will quickly increase and the amplifier will
become quite hot. Once again we remind you to ensure that you have left adequate space around
the amplifier for ventilation. Ensure that no objects are resting on the amplifier and check that the
heat sink (cooling fins) are not obstructed in any way.
2.
The power required from the mains supply in Class A is approximately 1,000 watts, similar to a
small electric heater. The amplifier should not be connected to a wall outlet that is shared with
other heavy current appliances such as heaters or electric motors. If in doubt, check with your
Plinius dealer for advice.
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