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Standard No. Title Price(USD) Delivery Status Add To Cart
GB/T 12060.1-2017 Sound system equipment—Part 1:General (USD) via email in 1-3 business day VALID
GB 7313-1987 Minimum performance requirements and methods of measurement for high fidelity loudspeaker systems (USD) via email in 1-3 business day VALID
GB/T 12060.5-2011 Sound system equipment—Part 5:Methods of measurement for main characteristics of loudspeakers (USD) via email in 1-5 business day VALID
GB/T 13581-1992 Minimm performance requirements on high fidelity head-phones via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
SJ/T 11188-1998 Basic parameter requirements and testing methods on electronic tuners for cable television receivers (USD) via email in 1-5 business day ABOLISHED
WH/T 39-2009 Practice specification of loudspeaker components used in professional audio and sound reinforcement (USD) via email in 1-3 business day
GB 6832-1986 Methods of measurement on headphones (USD) via email in 1-3 business day ABOLISHED
GB 6661-1986 Nipples for insert earphones (USD) via email in 1 business day VALID
GB/T 9400-1988 Dimensions of director radiator loudspeaker (USD) via email in 1-3 business day ABOLISHED
GB/T 9401-1988 Methods of measurement for microphones (USD) via email in 1-3 business day ABOLISHED
GB/T 10240-1988 Specifications for the editing and production of prog-ramme source for subjective assessment of sound quali-ty of electro-acoustic products (USD) via email in 1-3 business day VALID
GB/T 14474-1993 General specification for horn loudspeakers via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 14197-1993 Preferred matching values for the interconnection of sound system components via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 9396-1996 Methods of measurement for main characteristics of loudspeakers via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 12058-1989 Listening tests on loudspeakers via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 14471-1993 General specification for headphones via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 15528-1995 Methods of measurement for transmitter-receiver assembly set via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 6511-1986 Precision method for free-field calibration of &U23.77mm standard condenser microphones by the reciprocity technique (USD) via email in 1-3 business day ABOLISHED
GB/T 14198-1993 General specification for microphones via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 14475-1993 Methods of measurement for horn loudspeakers via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
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