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Standard No. Title Price(USD) Delivery Status Add To Cart
GB/T 12060.3-2011 Sound system equipment—Part 3:Methods of measurement on audio amplifiers (USD) via email in 1-5 business day VALID
GB/T 25102.13-2010 Electroacoustics—Hearing aids—Part 13:Electromagnetic compatibility(EMC) (USD) via email in 1-3 business day VALID
GB/T 9001-1988 Method of measurement on audio amplifier (USD) via email in 1-8 business day ABOLISHED
GB/T 3436-1996 Semiconductor integrated circuits Series and products of operational amplifier via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 17276-1998 General specification for wireless microphone systems via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 6657-1986 Measurement of electroacoustical characteristics of hearing aids (USD) via email in 1-3 business day ABOLISHED
GB/T 15295-1994 Series and products of high frequency wideband amplifiers for hybrid integrated circuits used in cabled distribution systems via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 9397-2013 General specification for electrodynamic loudspeaker of direct radiator type (USD) via email in 1-3 business day VALID
GB/T 13975-1992 Direct current amplifiers-Characteristics and test methods via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 14200-1993 Minimum performance requirements for high fidelity audio amplifiers via email in 1-3 business day please email coc@codeofchina.com for quotation
SJ 46-1965 Electromagnetic loudspeakers for φ200mm (USD) via email in 1-3 business day
GB/T 14471-2013 General specification for headphones (USD) via email in 1-3 business day VALID
GB/T 12060.7-2013 Sound system equipment—Part 7:Methods of measurement on headphones and earphones (USD) via email in 1-5 business day VALID
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