BS 7443:1991
$86.31
Specification for sound systems for emergency purposes
Published By | Publication Date | Number of Pages |
BSI | 1991 | 14 |
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Characteristics and methods of test for emergency broadcast sound systems for indoor or outdoor. Includes environmental conditions, marking symbols, installation and safety requirements, and an automatic system for checking correct functioning.
Status | Withdrawn |
---|---|
Title | Specification for sound systems for emergency purposes |
Publisher | BSI |
Committee | EPL/100 |
Pages | 14 |
Publication Date | 1991-06-28 |
Withdrawn Date | 2001-01-15 |
Replaced By | BS EN 60849:1998 |
ISBN | 0 580 19697 6 |
Standard Number | BS 7443:1991 |
Descriptors | Sound intensity, Audio equipment, Audio systems, Installation, Safety devices, Marking, Communication equipment, Emergency equipment, Acoustic equipment, Microphones, Environment (working), Performance, Noise (spurious signals), Speech transmission systems |
Modified National Standard Of | IEC 60849:1989 |
ICS Codes | 33.160.30 - Audio systems |
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