Chapter 8

Loudspeaker crossover systems

WHY NECESSARY?

In the majority of cases, the output from an audio system will be fed to some form of electro-acoustic transducer, such as a loudspeaker (LS) or headphone, whose purpose is to convert the electrical input signal into a sound pressure wave which will evoke a response in the ear of the listener. Ideally, this transducer will have a constant acoustic output, for a given electrical input signal, over the range 20 Hz to 20 kHz, or whatever the human ear is supposed to be able to hear.

In practice, there is no known LS driver system (I am using this term in the sense of the individual moving-coil, magnet and cone assembly, or its equivalent, rather than the complete unit in wooden box, which I will ...

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