The Story behind LOUDSOFT

- is the story about years of vision, science and experience

Download the LOUDSOFT Presentation slides 2018 (8.7 Mb)

The FINE Circle

Peter Larsen
Peter Larsen has been working in the loudspeaker industry since 1974. He started his career with SEAS, was Chief Engineer for Vifa 1979-1987 and for Dynaudio 1987-1990. Until 1993 he worked with JBL in USA.

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, NXT in UK, Microlab in China, Apple in USA and many others. 

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).

Based on his experience in designing loudspeaker drivers over the years he developed a program to help him design magnet systems and voice coils much easier and quicker. In order to develop a user friendly program Peter asked Bob Harris a former Chief engineer at KEF UK to help him make the program better and also to convert it into a windows based program. Eventually producers of loudspeaker drivers learned about the program and wanted to buy it.

This program is today called FINEMotor and the program is continuously being developed in order to meet the different demands from the customers.

In 1995 Peter Larsen attended a seminar with Dr. Henrik Vollesen, who had finished his Ph.D at Bang and Olufsen, where they discussed his analysis of the mechanical and acoustical properties of a loudspeaker unit with controlled directivity. Peter Larsen realized the potential of using Henrik Vollesen´s ideas in the design of cones, if the ideas were developed into a full program.

As Henrik Vollesen was an experienced programmer and Peter Larsen had the practical experience designing drivers the two of them spent thousands of hours during six years to create a user friendly program which could help designing cones, domes, surrounds, dustcaps etc. as well as optimizing the driver. The program also turned out to be a very useful tool as a problem shooter.

This program is today called FINECone and helps speaker designers all over the world to design better, less expensive and more accurate acoustic designs in a shorter time than ever seen before.

Over the years several customers asked Peter Larsen to create an intuitive and easy-to-use program to help them designing loudspeaker boxes. Peter Larsen and Bob Harris developed the program with help from some of the world leading designers of loudspeaker systems.

The goal was to develop a flexible and intuitive program with features based on practical design work, which could be the preferred tool for the user in the daily system design work.

The designers wanted a real high power non-linear enclosure program avoiding extensive manual input and at the same time a program which was able to simulate simple and more advanced designs in a simple way.

Peter and Bob were able to make a program which is intuitive and user friendly to the system designer. This program is called FINEBox

FINEBox is based on practical design work and gives you a very quick overview of the possible system design options.
LOUDSOFT - Agern Alle 3 - 2970 Horsholm - Denmark - Phone: (45) 4582 6291 - Fax: (+45) 4576 5708 - E-mail: