1、CENELEC EN*b0268-12 95 3404583 0358357 T9b BRITISH STANDARD Sound system equipment BS EN Part 12. Application of connectors for broadcast and similar use The European Standard EN 60268-12 : 1995 has the status of a British Standard UDC 62 1.396.7: 62 1.395.6:621.316.541 60268-12 : 1995 BS 6840 : Par
2、t 12 : 1995 IEC 268-12 : 1987 (incorporating Amendment 1 : 1991 and Amendment 2 : 1994 t IEC 268-12) CENELEC EN*b02bB-l12 95 = 3404583 0358358 922 BS EN 60268-12 : 1995 Standards Board and comes into Amd. No. Date effect on 15 September 1995 O BSI 1995 Committees responsible for this British Standar
3、d Text affected The preparation of this British Standard was entrusted to Rchnical Committee EPL/84, Equipment and systems in the field of audio, video and audiovisual engineering, upon which the following bodies were represented: Association of British Theatre %chnicians Audio Engineering Society B
4、ritish Broadcasting Corporation British Educational Supplies Association British Fire Protection Systems Association Limited British Kinematograph, Sound and Rlevision Society British Radio and Electronic Equipment Manufacturers Association British Rlecommunications plc Consumers Association Federat
5、ion of British Audio Federation of the Electronics Industry Independent Television Association Institution of Electrical Engineers International Association of Broadcasting Manufacturers National Council for Educational Rchnology (NCET) Professional Lighting and Sound Association Radio Electrical an
6、d Television Retailers Association Royal Institute of British Architects Royal National Institute for Deaf People Society of Cable Television Engineers The following BSI references relate to the work on this standard: Committee reference EPU84 Draft for comment 93/205919 DC ISBN O 680 24616 7 CENELE
7、C EN*b0268-12 75 3404583 0158357 869 BS EN 6026-12 : 1996 Contents page Committees responsible Inside front cover National foreword ii Foreword 2 Text of EN 60268-12 3 CENELEC EN*b02b-L2 95 = 340q583 03.58360 5O m BS EN 60268-12 : 1995 National foreword This British Standard has been prepared by Tec
8、hnical Committee EPL/84 and is the English language version of EN 60268-12 : 1995 Sound system equipment Part 12: Application of connectors for broadcast and similar use (incorporating amendment A2 : 1995), published by the European Committee for Electrotechnical Standardization (CENELEC), and super
9、sedes Harmonziation Document HD 483.12 S2 : 1992. It was derived by CENELEC from IEC 268-12 : 1987 and its amendment 1 : 1991 and amendment 2 : 1994, published by the International Electrotechnical Commission (IEC). As a consequence of implementing the European Standard this British Standard is renu
10、mbered as BS EN 60268-12 and any reference to BS 6480 : Part 12 should be read as a reference to BS EN 60268-12. However, agreement has been given to retain the cross-reference of this standard as Part 12 of the BS 6840 series for ease of reference in relation to other Parts of the series. This Part
11、 of BS 6480 supersedes BS 6840 : Part 12 : 1993 which is withdrawn. BS 6840 consists of the following Parts: Part1 Part2 Part 3 Part 4 Part5 Part 6 Part 71) Part8 Part9 Part 10 Part 11 Part 12 Part 13 Part 14 Part 15 Part 16 Part 17 Methods for specifying and measuring general characteristics used f
12、or equiprmnt perlfomnce Glossary of general terms and calculation methods Methods for specifying and measuring the characteristics of sound sys/stem amplifiers Methods for specifying and measuring the characteristics of microphones Methods for specifying and measuring the characteristics of loudspea
13、kers Methods for specying and measuring the characteristics of auxiliary passive elements Methods for specayying and measuring the characteristics of headphones and earphones Methods for specvying and measuring the characteristics of automatic gain control devices Methods for specvying and measuring
14、 the characteristics of artificial reverberation, time delay and frequency shvt equipnwnt Methods for specvying and measuring the characteristics of peak programme level meters Specification for application of connectors for the interconnection of sound system components Spec.Sfication for applicati
15、on of connectors for broadcast and similar use Guide for listening tests on loudspeakers Guide for circular and elliptical loudspeakers; outer frame diameters and mounting dimensions Specification for matching values for the interconnection of sound system components Guide to the RASTI method for th
16、e objective rating of speech intelligibility in auditoria Methods for specifying and measuring the characteristics of standard volume indicators i) in preparation. ii CENELEC EN*b0268-12 95 = 3404583 0158361 Y17 BS EN 0268-12 : 1995 Cross-references EN 60065 : 1993 (IEC 65 : 1985) Publication referr
17、ed to HD 483.2 S2 : 1993 HD 483.11 S3 : 1993 HD 483.15 S4 : 1992 (IEC 268-2 1987) (IEC 268-11 : 1987) (IEC 268-15 1987) IEC 268-4 : 1972 Corresponding British Standard BS EN 60065 : 1994 Safety requirements for mains operated electronic and related apparatus for household and similar general use BS
18、6840 Sound sgstem equipment Part 2 : 1993 Glossary of general temns and calculation methods part 11 : 1994 Specification for application of connectors for the interconnection of sound system components Part 15 : 1992 Spe permanent connections use circular connectors) Contact number Type designation
19、Fixed 1 7.1 Signal input and output (for connections that are often changed; permanent connections use circular connectors) I 130-8 IEC-xx 1 in (B-gauge) I I 7.2 130-8 I E C-yy I . 1 4.4 mm (Bantam) Pin connector (PW Socket connector (jack) Socket connector (jack) 1 Free I Pin connector (PW I I l I
20、Socket connector (jack) Now. -The 114 in (B-gauge) connector is usually preferred for critical connections. whilc the 4.4 mm (Bantam) connector is used for auxilias, circuits and where space is limited. CENELEC EN*b02b-L2 95 = 3404583 01583b9 708 = Contact number Type of connector 3 Devices to be co
21、nnected 1 2 (Tip) (Sleeve) (Ring) Y4 in (B-gauge) Signal D.C.-conirol Signal or screen Balanced circuits 4.4 mm (Bantam) Signai D.C.-control Signal or screen W in (B-gauge) Signal Screen and Signal return Unbalanced circuits (ror insertion of filters in 1 mixing desks by a patch cord) 4.4 mm (bantam
22、) I I Signal I Scz;d Page 8 EN 6026812/A1 : 1995 8 Connection data TABLE IV 9. Polarity 9.1 Balanced circuits The positive terminal of a transducer (see I E C Publication 268-2: Sound System Equipment. Part 2: Explanation of General Terms) shall be connected to Contact No. 1 (tip), and this polarity
23、 convention shall apply to all connectors of the types covered by sections 1 and 2 of this standard. Contact No. 2 (sleeve) shall be earthy in all applications. The negative terminal of the transducer shall be connected to Contact No. 3 (ring). 9.2 Single unbalanced circuits The signal shall be conn
24、ected to Contact No. 1 (tip) and the common return and screen shall be The left or main channel signal shall be connected to Contact No. 1 (tip), the right or sub-channel connected to Contact No. 2 (sleeve). signal to Contact No. 3 (ring) and the common return and screen to Contact No. 2 (sleeve). 9
25、.3 Two-channel unbalanced circuits The left, or main, channel signal shall be connected to Contact No. 1 (tip), the right, or sub- channel signal to Contact No. 3 (ring) and the common return and screen to Contact No. 2 (sleeve). 9.4 Patching-type unbalanced circuits The equipment input shall be con
26、nected to Contact No. i (tip), the equipment output to Contact No. 3 (ring) and the common and screen to Contact No. 2 (sleeve). This convention requires a patch-cord with crossed connections between Contacts 1 and 3 (so-called “red cord”), the use of which is sometimes undesirable. If cross-connect
27、ed cords are not in use, the above connections shall be used on mixing desks and similar equipment, while filters and other peripheral equipment shall have the connections to Contacts 1 and 3 reversed. In this case the connections should be indicated by a diagram on the equipment close to the connec
28、tor) involved. CENELEC EN*bO2b8-32 95 3404583 0358370 42T (IEC type designations are under consideration by IEC SC 488) Page 9 EN 6026 Fax: 0181 996 7001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British
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