[1948: The owner of Radionette, Jan Wessel, decided to start making loudspeaker units for his own production of radio sets. C.C. Nørgaard Madsen was employed as a designer.
1950: Wessel and Madsen decided to separate the loudsepaker and radio business in order to be able to sell loudsepakers to other radiomanufacturers in Norway and abroad.
1951: The company moved to Moss.]

1956: "Scandinavian Electro Acoustic Systems" (SEAS) was formed as a limited company with two shareholders, J. Wessel and C.C. Nørgaard Madsen.
1961: Wessel and Nørgaard Madsen bought "Videbæk højttalerfabrik" from Nørgaard Madsens father.
1971: "Videbæk højttalerfabrik" was made a sister company to SEAS.
1974: Both companies experienced a major growth and in 1974 there were 250 employees in Norway and 200 in Denmark.
1975: SEAS moved into new and modern premises just outside 1981: After some difficult years, the Danish company managed to break away from SEAS by what the new Norwgian owners regarded as a criminal act. It was named "Vifa" and became a competitor from one day to the next.
(from www.seas.no)