EN IEC 63034:2020

SLOVENSKI STANDARD
01-april-2021
Mikrozvočniki (IEC 63034:2020)
Microspeakers (IEC 63034:2020)
Mikrolautsprecher (IEC 63034:2020)
Micro-haut-parleurs (IEC 63034:2020)
Ta slovenski standard je istoveten z: EN IEC 63034:2020
ICS:
33.160.50 Pribor Accessories
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 63034

NORME EUROPÉENNE
EUROPÄISCHE NORM
August 2020
ICS 33.160.50
English Version
Microspeakers
(IEC 63034:2020)
Micro-haut-parleurs Mikrolautsprecher
(IEC 63034:2020) (IEC 63034:2020)
This European Standard was approved by CENELEC on 2020-07-29. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2020 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 63034:2020 E
European foreword
The text of document 100/3107/CDV, future edition 1 of IEC 63034, prepared by IEC/TC 100 "Audio,
video and multimedia systems and equipment" was submitted to the IEC-CENELEC parallel vote and
approved by CENELEC as EN IEC 63034:2020.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2021-04-29
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2023-07-29
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.

Endorsement notice
The text of the International Standard IEC 63034:2020 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards
indicated:
IEC 60068-2-1:2007 NOTE Harmonized as EN 60068-2-1:2007 (not modified)
IEC 60068-2-2:2007 NOTE Harmonized as EN 60068-2-2:2007 (not modified)
IEC 60068-2-14:2009 NOTE Harmonized as EN 60068-2-14:2009 (not modified)
IEC 60068-2-30:2005 NOTE Harmonized as EN 60068-2-30:2005 (not modified)
IEC 60068-2-78:2012 NOTE Harmonized as EN 60068-2-78:2013 (not modified)
IEC 60268-3 NOTE Harmonized as EN IEC 60268-3
IEC 60268-5 NOTE Harmonized as EN 60268-5

Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1  Where an International Publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
NOTE 2  Up-to-date information on the latest versions of the European Standards listed in this annex is available here:
www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 60268-1 - Sound system equipment. Part 1: General HD 483.1 S2 -
IEC 60268-2 - Sound system equipment. Part 2: Explanation HD 483.2 S2 -
of general terms and calculation methods
IEC 60268-21 2018 Sound system equipment - Part 21: Acoustical EN IEC 60268-21 2018
(output-based) measurements
IEC 60268-22 2020 Sound system equipment - Electrical and EN IEC 60268-22 —
mechanical measurements (TA 20)
IEC 61260-1 - Electroacoustics - Octave-band and fractional- EN 61260-1 -
octave-band filters - Part 1: Specifications

To be published. Stage at the time of publication: prEN IEC 60268-22:2019.
IEC 63034 ®
Edition 1.0 2020-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Microspeakers
Micro-haut-parleurs
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.160.50 ISBN 978-2-8322-8312-7

– 2 – IEC 63034:2020  IEC 2020
CONTENTS
FOREWORD . 6
1 Scope . 8
2 Normative references . 8
3 Terms, definitions and abbreviated terms . 8
3.1 Terms and definitions . 8
3.2 Abbreviated terms . 8
4 Conditions of measurement . 9
4.1 Rated measuring conditions . 9
4.2 Climatic conditions . 9
4.3 Normal measuring conditions . 9
5 Acoustical environment . 10
5.1 General . 10
5.2 Free-field conditions . 10
5.3 Half-space free-field conditions . 10
5.4 Simulated free-field conditions . 10
5.5 Half-space simulated free-field conditions . 10
6 Mounting of the microspeaker . 10
6.1 Mounting and acoustic loading of microspeaker units . 10
6.2 Mounting and acoustic loading of microspeaker systems . 11
6.3 Standard micro-baffle . 11
6.4 Measuring plane wave tube. 12
7 Positioning of microspeaker and measuring microphone . 13
7.1 Positioning of the microspeaker . 13
7.1.1 Rated geometrical condition . 13
7.1.2 Reference plane . 13
7.1.3 Reference point . 13
7.1.4 Normal vector . 13
7.1.5 Polar vector . 14
7.2 Measuring distance under free-field and half-space free-field conditions . 14
7.2.1 Far-field condition . 14
7.2.2 Single microspeaker unit (transducer) . 14
7.2.3 Multi-unit microspeaker systems . 14
7.3 Positioning of microspeaker and microphone in simulated free-field and half-
space free-field conditions . 14
8 Measuring equipment . 15
9 Accuracy of the measurement. 15
9.1 General . 15
9.2 Unwanted acoustic and electrical noise . 15
9.3 Accuracy of the mounting . 15
9.4 Accuracy of the measuring equipment . 15
9.5 Accuracy of acoustic environment . 15
10 Marking of terminals and controls . 15
10.1 General . 15
10.2 Positive terminal . 16
10.2.1 Characteristic to be specified . 16
10.2.2 Marking . 16

IEC 63034:2020  IEC 2020 – 3 –
10.2.3 Method of testing . 16
11 Test signals . 16
11.1 General . 16
11.2 Steady-state sinusoidal signal . 16
11.3 Sinusoidal chirp signal . 16
11.4 Discrete multi-tone sinusoidal signal . 17
11.5 Broadband noise signal . 18
11.6 Narrow-band noise signal . 18
12 Preconditioning . 18
12.1 Acclimatization . 18
12.2 Pre-loading . 18
13 Electrical input impedance . 19
13.1 Electrical input impedance curve . 19
13.1.1 Characteristics to be specified . 19
13.1.2 Method of measurement . 19
13.2 Rated impedance . 19
14 Small signal parameters of the microspeaker . 19
14.1 General . 19
14.2 Characteristics to be specified . 20
14.2.1 Resonance frequency f . 20
s
14.2.2 DC resistance of driver voice coil R . 20
dc
14.2.3 Voice coil inductance L . 20
e
14.2.4 Total Q-factor Q . 20
ts
14.2.5 Electrical Q-factor Q .
...