| Description | The file contains Theatre Projects Consultants Ltd correspondence and enclosures regarding sound equipment, including the sound system budget and estimates; approaches, proposals and marketing materials from various companies hoping to supply and install equipment; the space requirements for the sound system; the CCTV proposals; cuts to the budget for equipment for the Studio Theatre; marketing information on telephone receivers; the open ring intercom system; paging and relay; acoustic issues and noise reduction; and loudspeaker controls. Correspondents include Stagesound (London) Ltd; Electrosonic Ltd; Pye TVT Ltd; Westrex Company Ltd; Denys Lasdun & Partners; the National Theatre; Berger Oliver & Co; Philips Sound; Henry R Humphreys; Photo-Scan (London) Ltd; Autec (Farrells) Ltd; W. J. Furse & Co Ltd; General Telephone Systems Ltd; Cambridge Public Address Service; Reliance Cords & Cables Ltd; Ling Dynamic Systems Ltd; Highgate Acoustics; Reliance Telephone Co Ltd; Dr M Hartley Jones (University of Manchester Institute of Science and Technology); Cass Electronics Ltd; George Jowitt & Sons; Pye Business Communications Ltd; Rediffusion Industrial Services Ltd; Tele-Nova Ltd; Cable & Wireless Ltd; Reliance Systems Ltd. The file includes a written comparison of the costs supplied by different companies, a sound scheme diagram, lists of the equipment required for each of the stages, and sketch TPC 904/SK 477 'T.V. Arials'. The original card folder has been disposed of. '904/6A Sound' was written on the spine, and 'Communication.' was written on the back. |