The low-frequency performance of a vented-box loudspeaker system is directly related to a small number of easily measured system parameters. This system is a fourth-order (24-dB per octave cutoff) high-pass filter which can be adjusted to have a wide variety of response characteristics. Enclosure losses have a significant effect on system performance and should be taken into account when assessing or adjusting vented-box systems. The efficiency of a vented-box loudspeaker system is shown to be quantitatively related to system frequency response, internal losses, and enclosure size.

Author: Small, Richard H.
Affiliation: School of Electrical Engineering, The University of Sydney, Sydney, N.S.W., Australia
JAES Volume 21 Issue 5 pp. 363-372; June 1973
Publication Date: June 1, 1973

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