• 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
• Download as PDF
• + 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. H.W.Sullivan, Loud Speaker, U.S.Patent no. 2,797,766, 1957.

2. J.H.Ott, Enclosure System for Sound Generators, U.S.Patent no. 4,004,094, 1977.

3. E.J.Czerwinski, Device for increasing the Compliance of a Speaker Enclosure, U.S.Patent no. 4,101,736, 1978.

4. R.E.Marrs, Acoustic Energy Systems, U.S.Patent no. 4,450,929, 1984.

5. R.H.Small, Closed-Box Loudspeaker Systems Part 1: Analysis, J. Audio Eng. Soc. 20 (10), 1972.