Loudspeaker Specifications for Professional Applications

  • John Eargle


In this chapter we will discuss the principal specifications of loudspeaker components used in professional sound design. These include:
  1. 1.

    On-axis frequency response

  2. 2.


  3. 3.


  4. 4.

    Electrical power input ratings (thermal and displacement)

  5. 5.

    Power compression

  6. 6.

    Distortion (discrete harmonics)

  7. 7.

    Directional characteristics

  8. 8.

    Thiele-Small parameters



International Electrotechnical Commission Pink Noise Power Compression Specification Sheet Distortion Curve 
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Bibliography and References

  1. Recommended Practices for Specifications of Loudspeaker Components Used in Professional Audio and Sound Reinforcement (AES 2–1984; ANSI 54.261984). Printed in J Audio Engineering Society, volume 32, number 10 (October 1984).Google Scholar
  2. IEC 60268, Sound System Equipment, Part 5. “Loudspeakers,” 2nd edition, International Electrotechnical Commission, Geneva (1989).Google Scholar
  3. AES Information Document — Plane-Wave Tubes: Design and Practice, New York (1991).Google Scholar

Copyright information

© Springer Science+Business Media New York 2003

Authors and Affiliations

  • John Eargle
    • 1
  1. 1.JME Consulting CorporationCanada

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