HD 483 2 S2-1993 Sound System Equipment Part 2 Explanation of General Terms and Calculation Methods《音响系统设备 第2部分 通用术语解释和计算方法(IEC 268-2-1987+A1-1991)》.pdf

1、3404583 0058833 335 D e , CFIFP F(= * Rue do Stassart. 35 - 8 1050 6ruxellrs T61.: (+ 32 2) 519.68.71 - Fax: (+ 32 2) 519.69.19 Teletex 206 2210097 - CENCEL - Tx 172210097 HD 583.2 S2 INFORMATION SHEET Issue 1 1993-02-17 February 1993 Sound systom aquipmant Patt 2: Explanation of general terms and c

2、alculation methods i Equipamants pour systmes lactroacourtiques Oauxioma partia: Enplication des terms geniraux et mthodes da calcul RD: IEC 268-2:1987 + A1:1991 Elektrorkustischa Gerate Teil 2: Allgmoine egriffa und 0arechnungsverfahren Related to Directive: - This Harmonization Document consists o

3、f the following: - Title Pago - Endorsamant notice date of ratification : 1992-12-09 date of announcemant : 1993-06-01 date of withdrawal : 1993-12-01 date of latest publication : 1993-12-01 LIST OF NATIONAL STANDARDS IS GIVEN OVERLEAF m 3404583 0058832 271 m HARMONIZED NATIONAL STANDARDS HO 683.2 S

4、2:1333 AT : BE : NOS cn : NOS DE : OK : ES : FI : NOS FR : SP (NF C 97 302 (1990) GB : GR : NOS I : NOS IS : IT : NOS LU : NOS NL : NEN 10268-2 (129901 NO : NOS PT : NOS SE : NOS NOS No standard SP Standard in prsparrtion NR Standard under revision i m 3404583 0058833 208 m 6 b HARMONIZATION DOCUMEN

5、T HO 583.2 S2 I DOCUMENT DHARMONISATION HARMONISIERUNGSDOKUMENT February 1993 UDC 535.86:621.39:001.4 Descriptors: Sound system equipment, definition, general, calculation met hod s ENGLISH VERSION Sound system equipment Part 2: Explanation of general terms and calculation methods (IEC 268-2:1987 +

6、A1:1991) Equipements pour Systemes Elektroakustische Gerate lectroacoustiques Teil 2: Allgemeine Begriffe und Deuxieme partie: Explication des Berechnungsverfahren calcul termes gnraux et mthodes de (IEC 268-2:1987 A1:19911 (CE1 268-2:1987 + A1:1991) This Harmonization Document was approved by CENEL

7、EC on 1992-12-09. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for implementation of this Harmonization Document on a national level. Up-to-date lists and bibliographical references concerning national implementation may be obtained on

8、application to the Central Secretariat or to any CENELEC member. This Harmonization Document exists in three official versions (English. French, German 1 . CENELEC members are the national electrotechnical connnittees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland,

9、Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, 8

10、-1050 Brussels 1993 Copyright reserved to CENELEC members Ref. No. HO 483.2 S2:1993 E I = 3404583 0058834 044 FOREWORD The CENELEC questionnaire procedure, performed for finding out whether or not the International Standard IEC 268-2:1987 and its amendment 1:1991 could be accepted without textual ch

11、anges, has shown that no common modifications were necessary for the acceptance as Harmonization Document. The reference document was submitted to the CENELEC members for formal vote and was approved by CENELEC as ED 483.2 S2 on 9 December 1992. The following dates were fixed: - latest date of annou

12、ncement of the HD at national level (doa) 1993-06-01 - latest date of publication of a harmonized national standard ( dop) 199 3-12-01 - latest date of withdrawal of conflicting national standards (daw) 1993-12-01 AnneXeri designated “normative“ are part of the body of the standard. In this standard

13、, annex ZA is normative. ENDORSMENT NOTICE The text of the International Standard IEC 268-2:1987 and its amendment 1:1991 was approved by CENELEC as a Harmonization Document without any modification. 4 m 3404583 0058835 T8O m Page 3 HD 483.2 S2:1993 ANNEX ZA (normative) OTHER INTERNATIONAL PUELICATI

14、ONS QUOTED IN THIS STANDARD WITH THE REFERENCES OF THE RELEVANT EUROPEAN PUELICATIONS When the international publication has been modified by CENELEC common modifications, indicated by (mod), the relevant EN/HD applies. I EC Publication Date Title 268- 1 1985 Sound system equipment - - Part 1: General EN/HD Date HD 483.1 S2* 1989 - - 268-3 1969* Part 3: Sound system amplifiers - - - * HO b83.1 S2 includes A1:1988 to IEC 268-1 IEC 268-3:1969 is superseded by IEC 268-3:1986 + A1:1990 + A2:1991 which is harmonized as HO b83.3 S2:1992