EN 60268-5:1996/A2:1996
(Amendment)Sound system equipment - Part 5: Loudspeakers
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- 08-Aug-1996
- 31-Mar-1997
- 17.140.50
- 33.160.50
- CLC/TC 100X
Sound system equipment - Part 5: Loudspeakers
EN following parallel vote * Superseded by EN 60268-5:2003
Elektroakustische Geräte - Teil 5: Lautsprecher
Equipements pour systèmes électroacoustiques - Partie 5: Haut-parleurs
Sound system equipment -- Part 5: Loudspeakers (IEC 60268-5:1989/A2:1996)
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Standards Content (Sample)
SLOVENSKI STANDARD
01-april-1999
Sound system equipment -- Part 5: Loudspeakers (IEC 60268-5:1989/A2:1996)
Sound system equipment -- Part 5: Loudspeakers
Elektroakustische Geräte -- Teil 5: Lautsprecher
Equipements pour systèmes électroacoustiques -- Partie 5: Haut-parleurs
Ta slovenski standard je istoveten z: EN 60268-5:1996/A2:1996
ICS:
33.160.50 Pribor Accessories
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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IEC 61094-3:2016 specifies a primary method of determining the complex free-field sensitivity of laboratory standard microphones so as to establish a reproducible and accurate basis for the measurement of sound pressure under free-field conditions. It is applicable to laboratory standard microphones meeting the requirements of IEC 61094-1. It is intended for use by laboratories with highly experienced staff and specialized equipment. This second edition cancels and replaces the first edition published in 1995. This edition constitutes a technical revision.
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The scope of this European Standard is to set up a suitable measuring methodology allowing accurate measurement of the maximum sound pressure level produced by consumer's headphones and earphones when associated with personal music players. NOTE This standard does not apply to acoustically open or acoustically closed headphones associated with mains operated Hi-Fi home equipement nor does it apply to headphones for medical purposes (hard of hearing etc.) or to headphones or similar parts being part of active hearing protection systems. Other requirements for safety, e.g. for noise protection in offices and industry are not affected by this standard. Requested features: The method should be reproducible and easily applicable to every type and shape of headphone or earphone available on the market (good mechanical adaptability). As safety and health are addressed, the method should faithfully reflect the pressure level effective at the user's ear (good correlation with subjective tests) to support protection against excessive sound pressure from personal music players (the limits themselves are found in EN 60950-1:2006/A12:2011 and EN 60065:2002/A12:2011 respectively). And finally, it is desirable to establish a global measuring procedure, including each component in the chain: Portable set + specific test signal + associated headphone or earphone. The standard is split into two parts: Part 1 deals with sets provided as a package equipment by the manufacturer. In this case, "Personal music players" means the association of one set (compact cassette player, FM radio receiver, digital media player, streaming audio player…) with supplied headphones or earphones. Part 2 gives guidelines to associate portable audio sets (FM radio receiver, digital media player, streaming audio player…) with headphones or earphones provided separately by any source. And the package sets with standardised connectors between the two allowing to combine components of different manufacturers or different design.
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This Part 2 of EN 50332 specifies methods of measuring the matching values for the use of personal music players and headphones/earphones defined for the use with those and with standardised connectors allowing to combine components of different manufacturers or different design sold separately in order to avoid possible hearing impairment by excessive sound pressure resulting from them. Compared with “one-package sets“ the sound pressure level at the ear cannot be fixed by only one condition but needs at least two characteristics, one each for player and the headphones/earphones, defined by the matching values for their connection. Requirements for protection against excessive sound pressure from personal music players are given in EN 60950-1:2006/A12:2011 and EN 60065:2002/A12:2011.
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