EN 60268-5:2003/A1:2009

FOREWORD
1 Scope
2 Normative references
3 Conditions for measurement
4 Test signals
5 Acoustical environment
6 Unwanted acoustical and electrical noise
7 Positioning of loudspeaker and measuring microphone
8 Measuring equipment
9 Accuracy of the acoustical measurement
10 Mounting of loudspeakers
11 Standard baffle and measuring enclosures
12 Preconditioning
13 Type description
14 Marking of terminals and controls
15 Reference plane, reference point and reference axis
16 Impedance and derivative characteristics
17 Input voltage
18 Input electrical power
19 Frequency characteristics
20 Sound pressure under free-field and half-space free-field
   conditions
21 Response under free-field and half-space free-field
   conditions
22 Output power (acoustic power)
23 Directional characteristics
24 Amplitude non-linearity
25 Rated ambient conditions
26 Stray magnetic fields
27 Physical characteristics
28 Design data
29 Indication of the characteristics to be specified
Annex A (informative) - Standard measuring enclosure type A
Annex B (informative) - Standard measuring enclosure type B
Annex C (informative) - Definitions of terms used in Clause 13
Annex D (informative) - Listening tests
Annex ZA (normative) - Normative references to international
         publications with their corresponding European
         publications
Bibliography

Provides the characteristics to be specified and the relevant methods of measurement for loudspeakers using sinusoidal or specified noise or impulsive signals.