AES E-Library

AES E-Library

Heat Transfer Mechanisms in Moving-Coil Loudspeakers

Document Thumbnail

Voice coil temperature is a major cause of loudspeaker damage and failure. It increases according to electrical input and according to the overall heat transfer coefficient of the voice coil. This overall coefficient is a direct result of a variety of heat transfer mechanisms, including conduction, radiation, natural convection, forced convection and heat storage. An analysis (including transient behavior) is presented which includes all factors and provides a final equation for voice coil temperature as a function of electrical input and loudspeaker parameters. The analysis also points to a novel method of heat transfer for all loudspeakers (U.S. Patent #3991286, by the author, assigned to the Altec Corporation).

AES Convention: Paper Number:
Publication Date:

Click to purchase paper as a non-member or login as an AES member. If your company or school subscribes to the E-Library then switch to the institutional version. If you are not an AES member and would like to subscribe to the E-Library then Join the AES!

This paper costs $33 for non-members and is free for AES members and E-Library subscribers.

Learn more about the AES E-Library

E-Library Location:

Start a discussion about this paper!

AES - Audio Engineering Society