Of BBC design,this portable battery-powered sound amp (type AM15/503P) in travel case was used in conjunction with film cameras (Arriflex/ Auricon/CP16 etc) using pre-striped magnetic film. The amplifier has a two-channel mixer with two mic inputs plus one 'line'. The unit is enscribed 'BBCTV NEWS N42' which is a helpful indication as to it's working life. Date circa 1973.
The Auricon RA 30 07 amplifier was designed as a battery- operated location sound mixer unit, for use with the Auricon range of 16mm sound-on-film cameras. Our example (ex ITN) was for use with optical sound recording cameras.