HD 483 2 S1-1989 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》.pdf

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1、1 HD 483.2 S1 Sound system equipment Part 2: Explanation of general terms and calculation methods Equipements pour systmes Elektroakustische Gerate lectroacoustiques Teil 2: Allgemeine Begriffe und Deuxime partie: Explication des Berechnungsverfahren termes gnraux et mthodes de calcul RD: IEC 268-2

2、(1987) ed 2; IEC/TC 84 (not appended) This Harmonization Document consists of the following: - Title Page Related to Directivei - date of ratification : 1989-01-25 date of announcement : 1989-09-15 date of withdrawal : 1990-03-15 date of latest publication : 1990-03-15 LIST OF NATIONAL STANDARDS IS

3、GIVEN OVERLEAF = 3404583 000bLLO L W i HARMONIZED NATIONAL STANDARDS HD 403.2 SI AT : NOS BE : NOS CH : NOS DE : NOS DK : NOS ES : FI : NOS FR : NOS GB : NR (ES 5428 Part 1 : 1977) GR : NOS IE : NOS IS : IT : NOS LU : NOS NL : NEN 10 268-2 (1968) NO : NOS PT : NOS SE : NOS . I H 3404583 000bLLL 3 UD

4、C: 534.86:621.39:001,4 KEY WORDS: Sound system equipment; definition: general: calculation methods SOUND SYSTEM EQUIPMENT PART 2: EXPLANATION OF GENERAL TERMS AND CALCULATION METHODS Equipements pour systmes Elektroakustische Gerate lectroacoustiques Teil 2: Allgmmmine Begriffe und Deuxime partie: E

5、xplication des Berechnungsverfahren termes generaux et mthodes de calcul BODY OF THE HD The Harmonization Document consists of: - - IEC 268-2 (1987) ed 2; IEC/TC 84, not appended This Harmonization Document was approved by CENELEC on 1989-01-25. The English and French versions of this Harmonization

6、Document are provided by the text of the IEC publication and the German version is the official translation of the IEC text. According to the CENELEC Internal Regulations the CENELEC member National Committees are bound: to announce the existence of this Harmonization Document at national level by o

7、r before 1989-09-15 to publish their new harmonized national standard by or before 1990-03-15 to withdraw all conflicting national standards by or before 1990-03-15. Harmonized national standards are listed on the HO information sheet, which is available from the CENELEC National Comittees or from t

8、he CENELEC Central Secretariat. The CENELEC National Cornittees are the national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxemburg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. Copyright reserved to all CENELEC members