| Description | The file contains Theatre Projects Consultants Ltd correspondence regarding the sound equipment installation. Subjects covered include loudspeaker positions; mixer testing; microphone lines; control room finishes; size of Proscenium Theatre loudspeaker openings; testing; structural steelwork; displays; component supplies; loudspeaker installation rack layout and wiring; possible tape machines; touring sound equipment; marketing information about components; loudspeaker supports; loudspeaker cabinets; pin matrix loudspeaker routing; equipment allocation to sound department at National Theatre; sound equipment purchase lists; sound accessories; sound desk and additional equipment variation orders; budget and expenditure; microphone advertisements; and amplifier rack and loudspeaker installation progress. Correspondents include Alice (Stancoil Ltd); Denys Lasdun & Partners; Bias Electronics Ltd; Mole Richardson (Stage & Studio Engineering) Ltd; Sir Robert McAlpine & Sons Ltd; Oxley Developments Company Ltd; the South Bank Theatre Board; the National Building Agency (NBA); the National Theatre; A.K.G. Equipment Ltd; Davis, Belfield and Everest; and Leevers-Rich Equipment Ltd. The file includes a sound inventory, a drawing 552/03/6749 'Upper Theatre and Offices Group Edge Detail of Loudspeakers in Conc. Wall Outline of Loudspeaker in Frontwall' and a sketch 904-SK-961 'National Theatre Tape Machine Remote Controls Modification of Bias Circuit'. The original card folder has been disposed of. '904/6A1 the National Theatre - Sound 2. From 1.11.74' was written on the spine. |