2007 Winter Symposium: Training Classes: Peter Larsen

PETER LARSEN
Peter Larsen, B.Sc. EE. started his career with SEAS in 1974 and was Chief Engineer for Vifa-Speak 1979-1987. Thereafter Dynaudio 1987-1990 and JBL in USA until 1993

From 1993 Peter Larsen has worked as an independent consultant for leading loudspeaker factories all over the world: Audax in France, KEF Audio in UK, Goldmax in China, Vifa-Speak in Denmark, Peerless Fabrikkerne of India, and NXT in UK.

During the period as an independent consultant Peter Larsen has specialized in in-depth analysis of loudspeakers and manufacturing techniques, research concerning new components and materials, advanced Acoustic Finite Element modelling, new measuring methods, novel speaker design concepts and development of several customized products (private label).
During the same period Peter Larsen has developed and marketed globally special software for speaker development and design.

Practical Aspects of Loudspeaker Design - Peter Larsen (Loudsoft)

4 hours - Cost $175 (members) / $225 (non-members)

Obtaining smooth production and high quality products during development. Each attendee will receive a copy of the training book “Better speaker designs in practice”

The training program will cover:

 1) Magnet systems
            a. How to design a powerful magnet system
            b. How to avoid heating problems
            c. Handling of voice coils
            d. Material differences: USA - China         
            e. Practical examples
2) Dome tweeters
            a. How to design the perfect dome
            b. Difficulties of finding the right material

            c. Some tolerances are more important than others
            d. The surround is also important

            e. Glue problems and glue advantages
            f. Butterfly – makes life easier

           g. Practical Examples

3) Cones
            a. Geometrical stiffness
            b. The un-importance of the material
            c. Stiffness, damping and break-ups
            d. stiffness of the surround also is important
            e. Practical examples
4) Cross-overs
            a. Why do the theoretical x-over not work?
            b. Loudspeaker loads
            c. Power and excursion considerations in x-overs.
5) Measurements
            a. Reflections
            b. Measuring the room instead of the driver

            c. On axis and off axis measurements
            d. Practical examples

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