How Loudspeakers Work

This chapter is not in any way a guide to how to design loudspeakers, nor is it a complete explanation of how they work; what it does do is look at their functioning from the point of view of the crossover designer. The specific topic of time-aligning the drive units is dealt with in Chapter 10 on delay compensation.

There are many ways to make a loudspeaker. Some of the less common types are electrostatics, ribbon loudspeakers, electromagnetic planar loudspeakers, Heil air-motion transformers, and the rather worrying Ionophone, but here I must concentrate on the most popular concepts: sealed boxes, ported reflex boxes, ABR systems, transmission line loudspeakers, and horns.

2.1  Sealed-Box Loudspeakers

A sealed ...

Get The Design of Active Crossovers now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.