Introduction to Loudspeaker Design, by John L. Murphy

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Chapter Titles:
Audio Basics
Loudspeaker Basics
Speaker Response Functions
Advanced Loudspeaker Topics
Enclosure Design
Crossover Design
Driver Parameter Measurement
Loudspeaker Simulation

Introduction to LoudspeakerDesign 2nd Editon
by John L Murphy

Introduction to Loudspeaker Design is written for hobbyists, students, technicians and engineers seeking an overview of the technology of loudspeakers. Starting with a brief history of audio developments the book begins by introducing the concepts of frequency, pitch and loudness and proceeds to develop the idea of a loudspeaker as a system.

The book covers such topics as loudspeaker design tradeoffs, spatial loading, diffraction loss, cavity effect and enclosure design. A complete chapter is devoted to the subject of crossover design. The appendices contain technical references, design aids and a chart depicting 18 different loudspeaker enclosure types.

The author is a physicist/audio design engineer with over 35 years experience in the research and development of audio products. His WinSpeakerz application is widely used throughout the audio industry as a tool for evaluating loudspeakers before they are built.

The illustrated 208 page paperback 2nd edition is priced at $24.95.

or

(commissions earned)

Chapter 1
Audio Basics

Audio Technology
A Brief History of Loudspeakers
Audio Systems and the Signal Chain
The Audible Frequency Range
Frequency and Pitch
Sound Pressure Level: SPL

Loudspeakers as Systems
Loudspeaker System Components
Loudspeaker Enclosure Types
Dipole Speakers
Closed Box Loudspeakers
Vented Box Loudspeakers
Bandpass Loudspeakets
Loudspeakers with Multiple Drivers

Chapter 3
Speaker Response Functions

The Speaker Response Functions
Frequency Response
Excursion Response
Phase Response
Group Delay Response
Impedance Response
Loudspeaker Design Tradeoffs
The Thiele Small Parameters

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Chapter 4
Advanced Loudspeaker Topics

Spatial Loading
Diffraction Loss
Cavity Effect
Point, Line and Plane Sources
Stethoscopic Speaker Examination
Enclosure Losses

Chapter 5
Enclosure Design

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Enclosure Design and Construction

Materials

Enclosure Shapes

Bracing and Filling

Construction Technique

Vent Placement

Driver Placement

Speaker Protection

Guitar Cabinet Design

Chapter 6
Crossover Design

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Crossover Design
Multi-way Crossover Design
Crossover Frequency Selection
Problems with Crossovers
Solutions to the Crossover Problem
The 1st Order Butterworth Crossover
The 1st Order Series Crossover
The 2nd Order Butterworth Crossover
The 3rd Order Butterworth Crossover
The Linkwitz-Riley Crossovers
2nd Order Linkwitz-Riley Crossover
4th Order Linkwitz-Riley Crossover
Crossover Discussion
Crossover Component Selection
Driver Impedance Compensation
Resonance Compensator
Inductance Compensator (Zobel)
Combining Impedance Compensators
Attenuating the Tweeter

Chapter 7
Driver Parameter Measurement

Hardware Requirements

The Test Jig

Driver Measurements

Chapter 8
Loudspeaker Simulation

Loudspeaker Design by Simulation
Vented Box Loudspeaker Analysis
Closed Box Loudspeaker Analysis
Simulation as a Design Tool
Design Equations Summary
Advanced Acoustic Simulation

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