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IEC 60268-4 : 5.0

IEC 60268-4 : 5.0

SOUND SYSTEM EQUIPMENT - PART 4: MICROPHONES

International Electrotechnical Committee

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Table of Contents

FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 General conditions
5 Particular conditions
6 Type description (acoustical behaviour)
7 Terminals and controls
8 Reference point and axis
9 Rated power supply
10 Electrical impedance
11 Sensitivity
12 Response
13 Directional characteristics
14 Amplitude non-linearity
15 Limiting characteristics
16 Balance
17 Equivalent sound pressure level due to inherent noise
18 Ambient conditions
19 External influences
20 Electromagnetic compatibility (EMC)
21 Physical characteristics
22 Classification of the characteristics to be specified
Annex A (normative) - Additional characteristics
Annex B (informative) - Sound insulation device
Annex C (informative) - Simplified procedure for 'pop'
        measurements
Annex D (informative) - Recommendations for professional
        digital microphones
Bibliography

Abstract

Defines methods of measurement for the electrical impedance, sensitivity, directional response pattern, dynamic range and external influences of sound system microphones, and also details the characteristics to be specified by the manufacturer.

General Product Information

Document Type Standard
Status Current
Publisher International Electrotechnical Committee
Committee TC 100
Supersedes
  • IEC 60089 : 1957

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