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GB/T 14277-2013 English PDF

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GB/T 14277-2013: General specification for audio combination equipment
Status: Valid

GB/T 14277: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 14277-2013English1419 Add to Cart 10 days [Need to translate] General specification for audio combination equipment Valid GB/T 14277-2013
GB/T 14277-1993EnglishRFQ ASK 11 days [Need to translate] General specification for audio combination equipment Obsolete GB/T 14277-1993

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Basic data

Standard ID GB/T 14277-2013 (GB/T14277-2013)
Description (Translated English) General specification for audio combination equipment
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard M71
Classification of International Standard 33.160.99
Word Count Estimation 64,653
Older Standard (superseded by this standard) GB/T 12062-1989; GB/T 14277-1993
Quoted Standard GB/T 191; GB/T 2828.1-2012; GB/T 2829-2002; GB/T 2846; GB/T 4312.1; GB/T 4943.1-2011; GB/T 5080.6; GB/T 5080.7; GB/T 5465.2; GB/T 6163; GB/T 7309; GB 8898-2011; GB 9254; GB/T 9374-2012; GB/T 9375-1988; GB/T 9383; GB/T 9384; GB/T 12060.3-2011; GB/T 12060.5
Regulation (derived from) National Standards Bulletin 2013 No. 27
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the technical requirements for home audio combination of devices, test methods, inspection rules and signs, packaging, transportation and storage. This standard applies to a combination of home audio equipment.

GB/T 14277-2013: General specification for audio combination equipment

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General specification for audio combination equipment ICS 33.160.99 M71 National Standards of People's Republic of China Replacing GB/T 14277-1993, GB/T 12062-1989 General specification for audio combination equipment Issued on. 2013-12-31 2014-07-15 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Introduction Ⅴ 1 Scope 1 2 Normative references 1 3 Terms and definitions 2 4 requires 2 4.1 Conditions 2 4.2 Test Conditions 3 4.3 Electricity, Sound Performance Requirement 3 4.3.1 amplifier 3 4.3.2 broadcast tuner and amplifier combination 3 4.3.3 decks and amplifier combination 5 4.3.4 compact discs in combination with the amplifier 7 4.3.5 speaker combination (system) and the amplifier 7 4.4 Other performance requirements 9 4.4.1 General requirements 4.4.2 Safety Requirements 9 4.4.3 EMC 10 4.4.4 Environmental Requirements 10 4.4.5 reliability requirements 12 4.4.6 quality requirements 13 4.4.7 Interconnection mating requirements 13 5 Test Method 13 5.1 Electricity, Sound Performance Measurement 14 5.1.1 amplifier 14 5.1.2 broadcast tuner and amplifier combination 16 5.1.3 decks and amplifier combination 26 5.1.4 compact discs in combination with the amplifier 32 5.1.5 speaker (system) in combination with the amplifier 32 5.2 Other performance test method 37 5.2.1 General requirements and inspection methods 37 5.2.2 Test Method 38 safety requirements 5.2.3 EMC Test 39 5.2.4 Environmental Test Method 39 5.2.5 Reliability Test Method 41 5.2.6 Test Method 45 listening 47 6 Inspection Rules 47 6.1 Inspection stereotypes 6.1.1 Scope 47 6.1.2 inspection items, requirements and methods 47 6.1.3 Sample extraction 47 6.1.4 Unpacking 47 6.1.5 inspection determined 48 6.1.6 Processing test results 48 6.2 delivery inspection 48 6.2.1 Scope 48 6.2.2 Test item 48 6.2.3 Sampling Plan 49 6.2.4 Classification and failure criterion 50 Determination 50 6.2.5 Qualified and unqualified products Determining acceptable and unacceptable 6.2.6 Inspection Lot 50 6.2.7 Test results processing 51 6.2.8 Sample processing 51 6.3 Routine tests 51 6.3.1 Scope 51 6.3.2 inspection procedures, items and methods 51 6.3.3 Sampling Plan 53 6.3.4 Classification and failure criterion 53 Determination 6.3.5 Qualified and unqualified 55 Determining acceptable and unacceptable 6.3.6 Inspection Lot 55 6.3.7 Test results processing 55 6.3.8 Sample Processing 55 7 signs, packaging, transportation and storage 56 7.1 marks 56 7.2 Packaging 56 7.3 Transport 56 7.4 Storage 56 References 57 1 Effective frequency range level fluctuation tolerance 7 decks in combination with the amplifier in FIG. Figure 2 frequency speaker (system) in combination with the amplifier response tolerances 8 3 to modulate the measured SNR without weighting Fig. 16 Figure 4 is not measured by filtration of the fundamental-weighted SNR 17 5 to modulate the signal to noise ratio as measured weighted 18 Figure 6 filtered measured fundamental-weighted SNR 18 7 double signal test circuit 19 8 filter circuit 20 of the fundamental law test 9 Single-signal test circuit 20 10 stereo performance of the test circuit 22 Figure 11 SCA suppression test circuit 22 12 Effective frequency range and voltage total harmonic distortion test circuit 23 13 SNR test circuit 25 14 voltage frequency response test circuit 26 15 silencer ratio, the track isolation, a block diagram of the whole channel signal to noise ratio test 27 16 playback channels effective frequency range of the test block diagram 28 17 full channel effective frequency range of the test block diagram 29 18 THD test circuit 29 19 recording total harmonic distortion test block diagram 30 20 A-weighted graph 30 21 FM listening evaluation included 46 22 References burst system of FIG. 46 23 inspection procedures and item 52 Table 1 amplifier parameters and requirements 3 Table 2 broadcast tuner and amplifier combination of parameters and requirements (FM receiving portion) 4 Table 3 broadcast tuner and amplifier combination of parameters and requirements (AM receiving portion) 5 Table Parameter 4 decks and amplifier combination and claim 5 Table 5 compact discs in combination with the amplifier parameters and requirements 7 Table 6 speaker (system) in combination with the amplifier parameters and requirements 8 Table 7 IT device security project requirements 9 Table 8 audio, video and similar electronic equipment safety project requirements 9 Table 9 Statistic Test Scheme 12 Table 10 A weighting network response data in Table 31 Table 11 Comparison of the frequency response of the difference between the provisions of 6 1/1oct and corresponding 1/3oct center frequency of 35 Table 12 safety test project requirements and test methods 38 13 Audio, video and similar electronic equipment safety requirements and test methods Project 38 Table Table 14 sweep vibration test requirements 41 Table 15 free drop test requirements 41 Table 16 out of the box and check the contents of failure criterion 42 Table 17 Number of inspection items, requirements, methods and sample 47 Table 18 safety inspection and failure criterion 48 Table 19 delivery inspection performance measurements at room temperature 49 Table 20 delivery inspection sampling plan 49 Table 21 routine tests electrical, acoustic performance measurement item 52 Table 22 Routine safety inspection test content and methods 53 Table 23 Routine tests Sampling Plans 53 Table 24 major electrical, acoustic performance measurement project 54 Table 25 environmental testing machine to check the contents of failure criterion 55

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB/T 14277-1993 "a combination of audio equipment general technical conditions" and GB/T 12062-1989 "high fidelity audio Combined device minimum performance requirements. " This standard and GB/T 14277-1993 compared to the main changes are as follows. Text structure --- deprecated GB/T 14277-1993 adopted, as required using a common standardized format; --- Of GB/T 14277-1993 Chapter 6, "amp" content supplement form 4.3.1 "Amplifier"; --- Remove GB/T 14277-1993 Chapter 7, "turntables and amplifiers combination", Chapter 11, "TV tuner and audio amplifier Combination ", Chapter 19," TV tuner and audio amplifier combination " --- The content GB/T 14277-1993 Chapter 10 "laser discs and amplifier combination" supplement form 4.3.4 "Laser sing Amplifier combination plate "; --- The content GB/T 14277-1993 Chapter 12 "speaker (system) in combination with the amplifier" of changes and additions to form "Combination speaker (system) and amplifiers" 4.3.5; --- Of GB/T 14277-1993 Table 6 "speaker (system) in combination with the amplifier parameters and requirements" Added content form Table 6 "speaker (system) in combination with the amplifier parameters and requirements"; --- The content GB/T 14277-1993 Chapter 16, "broadcast tuner and amplifier combination" (according to GB/T 6163) were revised Change the FM mono indicators deviation to ± 75kHz, including SNR, sensitivity, capture ratio IF rejection, transfer Amplitude suppression ratio, two-way selection, image rejection, spurious response suppression, effective frequency range, total harmonic distortion, the formation 5.1.2 "broadcast tuner Amplifier combination "; --- Of GB/T 14277-1993 in 16.2.20 and 16.2.21 content (according to GB/T 2846) be modified to 14dB Valley Point method to the maximum output tuning method, the formation of 5.1.2.21 and 5.1.2.22; --- The content GB/T 14277-1993 Chapter 18 "laser discs and amplifier combination" supplement form 5.1.4 "Laser sing Amplifier combination plate "; --- The content GB/T 14277-1993 Chapter 20 "speaker (system) and amplifier combination" modified form 5.1.5 "Young Microphone (system) in combination with the amplifier "; --- Of GB/T 14277-1993 Chapter 22, "Safety requirements and test methods" and modify the contents of the supplement form 4.4.2 "An "5.2.2 and" test "the full requirements of safety requirements; --- Of GB/T 14277-1993 Chapter 23, "EMC requirements and test methods" and modify the contents of the supplement, the new "Harmony Wave current emission limits "section content, and re-edit the audio and video equipment Immunity characteristics - Requirements and test methods form 4.4.3 "electromagnetic compatibility" and 5.2.3 "EMC test methods"; --- 14277-1993 Table 17 for "out of the box and check the contents of the defect criterion" content GB/T make additions to form a table 16 "check box Check the contents and failed criterion "; --- 14277-1993 Table 19 on "delivery inspection at room temperature performance measurements" content GB/T make additions to form a table 19 "Settlement Performance test at room temperature measurements. " Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents. The standard proposed by the Ministry of Industry and Information Technology of the People's Republic of China. This standard by the national audio, video and multimedia systems and equipment Standardization Technical Committee (SAC/TC242) centralized. This standard is mainly drafted by. Institute of Acoustics, Nanjing University, Guoguang Electric Co., Ltd., Jiangsu Province electronic information product quality supervision Governor Inspection Institute. The main drafters. Shen Yong, Yu Jin-yuan, Zhang Zhiqiang Hu new. This standard replaces the standards previously issued as follows. --- GB/T 14277-1993; --- GB/T 12062-1989. General specification for audio combination equipment

1 Scope

This standard specifies the technical requirements for home audio combination equipment, test methods, inspection rules and signs, packaging, transportation and storage. This standard applies to the combination of home audio equipment.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 191 Packaging - Pictorial signs GB/T 2828.1-2012 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch test sample plan GB/T 2829-2002 periodic inspection Sampling procedures and tables (suitable for process stability test) GB/T 2846 AM broadcast radio measurement method GB/T 4312.1 FM Radio Transmitter Technical parameters and measuring methods for mono and stereo GB 4943.1-2011 Safety of information technology equipment - Part 1. General requirements GB/T 5080.6 Equipment reliability testing constant failure rate assumption validation GB/T 5080.7 Equipment reliability testing efficiency constant failure rate assumption under the MTBF of test plans GB/T 5465.2 Graphical symbols for electrical equipment - Part 2. Graphical symbols GB/T 6163 Methods of measurement FM radio receiver GB/T 7309 General specification audiocassette GB 8898-2011 Audio, video and similar electronic apparatus - Safety requirements Radio disturbance characteristics - Limits and methods of measurement GB 9254 information technology equipment GB/T 9374-2012 Basic parameters for sound broadcasting receivers GB/T 9375-1988 radios, tape recorders listening test GB/T 9383 Sound and television broadcast receivers and associated equipment - Immunity characteristics Limits and methods of measurement GB/T 9384 radio broadcast, radio and television receivers, tape recorders and audio amplifiers (amplifiers) to the test environment Sum Test Method GB/T 12060.3-2011 Sound system equipment - Part 3. Methods of measurement of audio amplifier GB/T 12060.5-2011 Sound system equipment - Part 5. Methods for measuring performance main speaker GB 13837 Sound and television broadcast receivers and associated equipment - Radio disturbance characteristics - Limits and methods of measurement Preferred matching values \u200b\u200bGB/T 14197-2012 audio, video and audiovisual systems interconnection GB/T 15860-2011 General specification for CD player GB/T 17618 Information technology equipment - Immunity characteristics - Limits and methods of measurement GB 17625.1 Electromagnetic Compatibility Limits for harmonic current emissions (equipment input current ≤16A) GSBM61001 electro-acoustic products subjective sound quality evaluation program source

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