• Technology
• + Voice Coil Impedance
• Introduction
• Glossary
• Lumped Impedance Modelling
• Measurement
• Fem Modelling
• Prediction of Distortion
• Conclusion
• Download as PDF
• + Surround Sound with Fewer Speakers
• Introduction
• Sound Quality Objectivies
• Creating Virtual Soundfields
• Practical systems
• Conclusion
• + Optimum Diapragm Waveguide Geometry
• Introduction
• Sperical Waves
• Analysis Stategy
• Results
• Discussion
• Conclusion
• Download as PDF
•   Pod Technology
• + Uni-Q White Paper
• Introduction
• Background
• Co-Axial Drivers
• Co-Incident Drivers
• Magnetic Design
• Acoustics
• Discussion
• Conclusion
• References
• Full Paper (PDF)
• + High End Uni-Q
• Coincident Source Array
• Finite Element Analysis
• Dome Profile
• Wavefront Analysis
• Motor Systems
• Laser Vibrometry
• References
• + Reference Paper
• Introduction
• Research & Development
• Reference 207
• Production
• System Design
• Boundary Control Device
• + ACE Technology
• Introduction
• How Does ACE Work?
• Adsorption
• Improvements
• Performance
• Applications
• Technology
• References
• Full Paper (PDF)

References

1. W. Klippel, “Prediction of Speaker Performance at High Amplitudes”, Presented at the 111th Convention of the Audio Engineering Society, preprint 5418, November 2001. J. Audio Eng. Soc., Vol. 49, No. 12, p. 1216, December 2001.
2. A. Voishvillo, V. Mazin, “Finite-Element Method of Modeling of Eddy Currents and Their Influence on Nonlinear Distortion in Electrodynamic Loudspeakers”, Presented at the 99th Convention of the Audio Engineering Society, preprint 4085, September 1995.
3. J.R. Wright, “An empirical model for loudspeaker motor impedance”, J. Audio Eng. Soc., Vol. 38, No. 10, 1990.
4. W.M. Leach, “Loudspeaker voice-coil inductance losses: circuit models, parameter estimation, and effect on frequency response”, J. Audio Eng. Soc., Vol. 50, No. 6, 2002.
5. J. Vanderkooy, “A Model of Loudspeaker Driver Impedance Incorporating Eddy Currents in the Pole Structure” J. Audio Eng. Soc., Vol. 37 No 3 pp. 119-128; March 1989.
6. M. Dodd, “The Development of a Forward Radiating Compression Driver by the Application of Acoustic, Magnetic and Thermal Finite Element Methods,” Presented at the 115th Convention of the Audio Engineering Society, preprint 5886, September 2003.
7. “Manual of the Klippel Analyzer System”, Klippel GmbH, www.klippel.de, 2004.
8. “Large Signal Identification (LSI)”, Specification of the Klippel Analyzer module, Klippel GmbH, www.klippel.de, 2003.
9. “Maximizing LPM Accuracy”, Application note AN 25 of the Klippel Analyzer System, Klippel GmbH, www.klippel.de, 2004.
10. “Processing Software (MAT)”, Specification of the Klippel Analyzer module, Klippel GmbH, www.klippel.de, 2003.
11. M. Dodd, “The Transient Magnetic Behaviour of Loudspeaker Motors” Presented at the 111th Convention of the Audio Engineering Society, preprint 5410, November 2001.
12. FLUX2D 8.10 User Manual, CEDRAT, Meylan France, www.cedrat.com , 2003.
13. “Simulation (SIM)”, Specification of the Klippel Analyzer module, Klippel GmbH, www.klippel.de, 2003.
14. “3D Distortion Measurement (DIS)”, Specification of the Klippel Analyzer module, Klippel GmbH, www.klippel.de, 2003.
15. W. Klippel, “Assessment of voice-coil peak displacement Xmax”, J. Audio Eng. Soc., Vol. 51, No. 5, pp. 307-324, 2003.
16. IEC 60268-5-Ed.3, “Sound System Equipment – Part 5: Loudspeakers.”, 2005.
17. G. Moore “Cramming more components onto integrated circuits,” Electronics, Vol. 38, No. 8, April 1965.