![header thumbnail](/images/publishers\snv_cover.gif)
SN EN 60268-7 : 1996
Current
The latest, up-to-date edition.
![header thumbnail](/images/publishers\snv_cover.gif)
SOUND SYSTEM EQUIPMENT - PART 7: HEADPHONES AND EARPHONES
12-01-2013
1 General
1.1 Scope
1.2 Normative references
1.3 Definitions
1.4 Classification, designation and coding
1.5 Marking of terminals, controls and polarity
1.6 User instructions
2 Conditions for specifications and measurements
2.1 Rated conditions
2.2 Standard conditions for measurement
2.3 Couplers and ear simulators
2.4 Loudness comparison conditions
2.5 Ear canal sound pressure level measurement
conditions
3 Characteristics to be specified and their methods
of measurement
3.1 Power supply
3.2 Electrical impedance
3.3 Input voltage
3.4 Input power
3.5 Sound pressure (level)
3.6 Frequency response
3.7 Amplitude non-linearity
3.8 Rated climatic conditions (these are rated
conditions)
3.9 External magnetic field
3.10 Unwanted sound radiation
3.11 Sound attenuation
3.12 Crosstalk attenuation for multi-channel headphones
3.13 Application force (this is a rated condition)
3.14 Physical characteristics, cables and connectors
4 Classification of characteristics
Annexes
A (normative) Specification and conditions of use of
a microphone for use inside the ear canal
B (informative) Practical details of free-field
comparison conditions
C (informative) Practical details of diffuse-field
comparison conditions
D (informative) Practical details of the subjective
comparison and ear canal sound pressure level
conditions
E (informative) Bibliography
ZA (normative) Normative references to international
publications with their corresponding European
publications
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.