Abstract
The sound pressure level on the axis of a loudspeaker in a free field is given by the following equation:
where S is the on-axis sensitivity of the loudspeaker measured at 1 meter with 1 watt input, WE is the electrical power input to the loudspeaker, and r is the measurement distance from the loudspeaker in meters.
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© 1994 Springer Science+Business Media New York
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Eargle, J.M. (1994). Amplifier Requirements: Direct Field Considerations. In: Electroacoustical Reference Data. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-2027-6_118
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DOI: https://doi.org/10.1007/978-1-4615-2027-6_118
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4613-5839-8
Online ISBN: 978-1-4615-2027-6
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