Chapter 12

Amplifiers, Crossovers, and Speakers

From a Little Signal to a Big Sound

Power Amplifiers

Amplifier Specifications

Amplifier Class

Circuit Safety Features

Setting Amplifier Gain

Amplifier Current Draw

Amplifier Power

P.A. Loudspeakers

Speaker Driver Size

Crossovers

Assigning Speakers to Enclosures

Self-Contained Speaker Systems

Powered Speakers

Speaker Specifications

Considerations not Specifications

The three components discussed in this chapter represent the final links in the signal chain. The right combination of components here can take the sound engineer’s carefully crafted signal and reproduce it faithfully, emitting clear, well-balanced sound evenly along a specified path, or can distort that signal, emitting a range of less ...

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