Sound system equipment - Electroacoustical transducers - Measurement of suspension parts

Amended by

IEC 62459:2010/COR1:2015

Available format(s)

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

Published date

27-01-2010

Publisher

International Electrotechnical Committee

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Test conditions
5 Clamping of the suspension part
6 Methods of measurement
7 Static displacement x[static](F[dc])
8 Static stiffness K[static](x[static])
9 Lowest cone resonance frequency, f[0]
10 Dynamic stiffness K(x[ac])
11 Coefficients of the power series expansion of K(x)
12 Effective stiffness K[eff](x[peak])
13 Mechanical resistance R
Bibliography

IEC 62459:2010 applies to the suspension parts of electroacoustic transducers (for example, loudspeakers). It defines the parameters and measurement method to determine the properties of suspension parts like spiders, surrounds, diaphragms or cones before being assembled in the transducer. The measurement results are needed for engineering design purposes and for quality control. Furthermore, this method is intended to improve the correlation of measurements between suspension-part manufacturers and loudspeaker manufacturers. The measurement methods provide parameters based on linear and nonlinear modelling of the suspension part and uses both static and dynamic techniques. It cancels and replaces IEC/PAS 62459 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 5 to 13;
- integration of Annex A in the main body of the standard;
- overall textual review.
The contents of the corrigendum of November 2015 have been included in this copy.

Committee	TC 100/TA 20
DevelopmentNote	Supersedes IEC PAS 62459. (01/2010) Stability Date: 2020. (12/2017)
DocumentType	Standard
Pages	23
PublisherName	International Electrotechnical Committee
Status	Current
Supersedes	IEC PAS 62459:2006

Standards	Relationship
NBN EN 62459 : 2011 COR 2015	Identical
NEN EN IEC 62459 : 2011 C1 2015	Identical
I.S. EN 62459:2011	Identical
PN EN 62459 : 2011 AC 2016	Identical
EN 62459:2011	Identical
UNE-EN 62459:2012	Identical
BS EN 62459:2011	Identical
CEI EN 62459 : 2012	Identical
EN 62459:2011/AC:2015	Identical
DIN EN 62459:2011-07	Identical
SAC GB/T 33771 : 2017	Identical

IEC 60268-1:1985

Sound system equipment. Part 1: General

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IEC 62459:2010

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