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GB/T 12060.3-2011 sound system equipment—part 3:methods of measurement on audio amplifiers

Standard Number:  GB/T 12060.3-2011
Title:  sound system equipment—part 3:methods of measurement on audio amplifiers
Language:  Simplified Chinese
Replacing Standard:  GB/T 9001-1988

Publication Date:  2011/10/31
Execute Date:  2012/2/1
Status:  Current
Publisher:  Chinese Standards(GB)
Price:56.40  
Number of Pages:48  

Description:The provisions of this part of the characteristics of the amplifier in the specification shall be given, and the corresponding measurement method.
of this part is suitable for professional or home sound system of the analog part of the analog amplifier and analog/digital amplifier.
in general, given by the method of measurement is the most direct relationship with the definition, but does not rule out can get equivalent results of other methods.
the provisions of this part of the rated conditions and standard measurement conditions, below As the specification and measurement conditions.  
Cross References:,,
GB/T 5465.2-2008 Graphical symbols for use on electrical equipment - Part 2:Graphical symbols 2:(IEC 60417-1973 graphical symbols for use on equipment first edition; amended in accordance with supplements: a-1974, b-1975, c-1977, d-1978, e-1980, f-1982, g-1985, h-1987, j-1990, k-1991 and l-1993; supplement m-1994; supplement n-1995; supplement o-1996; supplement,IDT)
GB/T6278
GB 8898-2011 audio,video and similar electronic apparatus—safety requirements (EQVIEC60065:1998)
GB/T 12060.2-2011 sound system equipment—part 2:explanation of general terms and calculation methods 2:(IEC 60268-2-1987 Sound system equipment. Part 2 : Explanation of general terms and calculation methods,IDT)
GB/T14197 (IEC61938,IDT)
GB/T 17626.17-2005 Electromagnetic compatibility Testing and measurement techniques Ripple on d.c.input power port immunity test (IEC 61000-4-17-2002 Electromagnetic Compatibility (EMC). Part 4-17:Testing and Measurement Techniques. Ripple on d.c. Input Power Port Immunity Test Compatibilite Electromagnetique (CEM). Partie 4-17:Techniques D′Essai Et De Mesure. Essai D′Immunite A L′Ondulation Residuelle Sur Entree De Puissance A Courant Continu Edition 1.1;Edition 1:1999 Consolidated with Amendment 1:2001,IDT)
GB/T 17626.29-2006 Electromagnetic compatibility(EMC) - Testing and measurement techniques - Voltage dips,short interruptions and voltage variations on d.c. input power port immunity tests (IEC 61000-4-29-2000 Electromagnetic compatibility (EMC) - Testing and measurement techniques; Voltage dips, short interruptions and voltage variations on d.c. input power port immunity tests,IDT)
SJ/Z 9140.1-1987 sound system equipment-part 1: general 1:(IDTIEC60268-1:1988)  
Catalog: Preface Ⅴ range 1 2 normative reference file 1 3 1, 3.1 the rated condition and standard measurement 3.1.1 introduction 1 3.1.2 rated condition 3.1.3 standard measurement condition 2, 3.2 the other 2 4 job category 2 5 Interchangeable parts 3 6 automatic controller 3 7 power 3 8 volume controller position 3 9 measurement ready state 3 to 10 series of measurement variable power consumption equipment 4 April 11 12 sign 4 13 working environment 4 14 feature and the corresponding measurement method is 4 to 1 The basic characteristic of the 4.1 power 4 14.1.1 characteristics explain 4 14.1.2 measurement 5 14.2 (long-term) power supply voltage variation tolerance 5 14.2.1 characteristics explain 14.2.2 measurement 5 14.3 power frequency variation tolerance June 14 . 3.1 features to explain 6 14.3.2 measurement 3.1 power harmonic and ripple measurement tolerance 6 14.4.1 characteristics explain 14.4.2 7 14.5 7 14.5.1 rated source impedance input features, features seven 14.5.2 to explain Rated input impedance 7 Ⅰ 14.5.3 source electromotive force, the feature of 8 14.5.4 distortion limits corresponding to the rated output voltage of the minimum source electromotive force 8 14.6 9 14.6.1 the rated load impedance, output characteristic feature 14.6.2 output source impedance 9th September 1 10 14.6.4 4.6.3 limit distortion of the output voltage and power regulation 11 14.6.5 overload recovery time 14.7 limiting features 11 14.7.1 overload 14.7.2 short-term maximum output voltage and power source electromotive force 11 12, 14.7. 3 long-term maximum power output voltage and 12 14.7.4 temperature limits the output power of 13 14.8 protection circuit features 13 13 14.8.2 14.8.1 overview the existing hidden trouble of 14 14.8.3 dc offset voltage output current portfolio protection protection circuit characteristics 15 rated 14.9 (distortion) summary of the duration of the output voltage or power 16 14.9.1 16 14.9.2 characteristics explain 16 14.9.3 measurement 17 14.10 gain 17 14.10.1 voltage gain and electromotive force gain 17 14.10.2 electromotive force biggest gain attenuation characteristic of 17 14.10.3 volume control 17 14.10.4 attenuation characteristics of multichannel device balance controller 18 14.11 response 18 18 14.11.2 14.11.1 gain - frequency response Yi limitations to the effective frequency range of 19 14.11.3 distortion the effective frequency range of 19 14.11.4 phase - frequency response amplitude of 14.12 nonlinear 14.12.1 outline 20 14.12.2 rated 20 14.12 total harmonic distortion. 3 under the condition of standard to measure the total harmonic distortion of _UDPA__ 14.12.4 20  
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File Size:  703KB
Tile in English:  sound system equipment—part 3:methods of measurement on audio amplifiers

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