Sound system equipment - Electroacoustical transducers - Measurement of large signal parameters

Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English, Spanish, Castilian, English - French

Published date

01-27-2010

Publisher

International Electrotechnical Committee

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Test signals
5 Mounting condition
6 Climatic conditions
7 Acoustical environment
8 Preconditioning
9 Time-varying properties of the loudspeaker
10 Methods of measurement
11 Nonlinear force factor
12 Nonlinear stiffness
13 Displacement-dependent inductance, L[e](x)
14 Current -dependent inductance, L[e](i)
15 Parameters derived from geometry and performance
Bibliography

IEC 62458:2010 applies to transducers such as loudspeaker drive units, loudspeaker systems, headphones, micro-speakers, shakers and other actuators using either an electro-dynamical or electro-magnetic motor coupled with a mechanical suspension. The large signal behaviour of the transducer is modelled by a lumped parameter model considering dominant nonlinearities such as force factor, stiffness and inductance. It defines the basic terms and parameters of the model, the methods of measurements and the way the results should be reported. It cancels and replaces IEC/PAS 62458 published in 2006. It constitutes a technical revision. The main changes are:
- descriptions of the methods of measurement are adjusted to the state of the technology;
- addition of Clauses 4 to 15;
- integration of Annex A in the main body of the standard;
- overall textual review.

Committee	TC 100/TA 20
DevelopmentNote	Supersedes IEC PAS 62458. (01/2010) Stability Date: 2020. (12/2017)
DocumentType	Standard
Pages	23
PublisherName	International Electrotechnical Committee
Status	Current
Supersedes	IEC PAS 62458:2006

Standards	Relationship
NBN EN 62458 : 2011	Identical
NEN EN IEC 62458 : 2011	Identical
I.S. EN 62458:2011	Identical
PN EN 62458 : 2011	Identical
UNE-EN 62458:2012	Identical
BS EN 62458:2011	Identical
CEI EN 62458 : 2012	Identical
EN 62458:2011	Identical
DIN EN 62458:2011-07	Identical
SAC GB/T 33769 : 2017	Identical

EN 62253 : 2011	PHOTOVOLTAIC PUMPING SYSTEMS - DESIGN QUALIFICATION AND PERFORMANCE MEASUREMENTS
BS EN 62253:2011	Photovoltaic pumping systems. Design qualification and performance measurements
UNE-EN 62253:2012	Photovoltaic pumping systems - Design qualification and performance measurements
IEC 62253:2011	Photovoltaic pumping systems - Design qualification and performance measurements
I.S. EN 62253:2011	PHOTOVOLTAIC PUMPING SYSTEMS - DESIGN QUALIFICATION AND PERFORMANCE MEASUREMENTS

IEC 60268-1:1985	Sound system equipment. Part 1: General
IEC 60268-5:2003+AMD1:2007 CSV	Sound system equipment - Part 5: Loudspeakers

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IEC 62458:2010

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