Audio Speaker Design Calculators

Last Update:  Wed May 30 11:33:14 PST 2016

   Is it time for a little Audio Engineering?  These Online Speaker Design Calculators are sound technician's dream for designing speaker enclosure systems.  Design speaker systems for home stereo equipment, guitar amplifiers, bass amps,  keyboard amps, PA, or professional studio sound reinforcement.  Perfect for D.I.Y. (do-it-yourself) projects.


dimensions for single and dual driver vented systems
components for two way third order butterworth crossovers
components for three way first order crossovers
driver parameters: Qms, Qes, Qts, Cms, Vas, and EBP
enclosure dimensions for guitar and  bass speakers
antique tube equipment speaker specifications (sealed systems)

Enter Calculators

1Mathematical formulas derived from gurus including:

- A. N. Thiele, "Loudspeakers in Vented Boxes, " Journal of Acoustical Engineering Society (JAES),
May-June 1971.
- R. Small, "Closed-Box Loudspeaker Systems,"
Part 1&2, JAES, Jan / Feb. 1973
- R. Small, "Vented-Box Loudspeaker Systems," JAES, June-Oct 1973
- D. B. Keele, Jr., to author's knowledge did not publish calculations.
- Dr. Joseph D'Appolito, "A Geometric Approach to Eliminating Lobbing Errors in Multiway Loudspeakers," 1983

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