1966 Len Davis leaves BBC designs department to concentrate on public address facilities and equipment manufacture. Company called Glen Sound Services

1967 Mixers designed for use in schools

1969 First design for the BBC….Distribution amp for Prince Charles’ investiture

1971 First Unitised desks made for BBC

1973 MX6 range of mixers first manufactured for BBC

1974 DK2/21 Popular monitoring & output unit made for BBC

1977 MICR (Mobile International Control Room) specialist commentators equipment built for BBC

1978 Glen Sound Services becomes Glensound Electronics Ltd

1980 Worlds first assignable mixer designed & manufactured for BBC OBs.

1983 BBC mobile studios designed & installed

1984 Coaxial Commentators equipment designed for BBC for use at Commonwealth Games

1992 Design & supply of broadcast & sound enhancement for House of Commons

1994 Introduction of the Worlds first portable battery operated ISDN Codec

1994 Design & supply of broadcast & sound enhancement for House of Lords

2002 Manufacture & Supply of 600 Commentators Positions for football World Cup

2003 AES47 equipment designed & supplied to BBC