7
Chapter 3
Operation
Preliminary
Environment
Power Amplifier Type 2732 is designed for operation at ambient temperatures between 5 and
40°C (41 to 104°F). Operation at full power will cause the Power MOS Output Transistors’ heat
sink to heat up. This is normal. However, it is important to ensure a free flow of cooling air
through the input vent in the front panel to the output vent in the back panel, otherwise the
input drive signal will be automatically blocked and Type 2732 will be put in Reset State to
prevent overheating of the transistors.
Rack Mounting
Power Amplifier Type 2732 is designed to fit into a 19-inch standard rack system with its
rubber feet removed. It may also be used free standing on its four rubber feet.
System Checks and Connections
Before connecting a mains supply, the following system checks and connections should be
carried out to ensure the correct function and safe operation of the apparatus.
Exciter Connections
The amplifier’s power socket accepts a 4-pin Neutrik
®
Speakon
®
plug. The pin connections are
shown in Fig.3.1.
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