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Standard No. Title Price(USD) Delivery Status Add To Cart
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 12060.11-2012 Sound system equipment—Part 11:Application of connectors for the interconnection of sound system equipment (USD) via email in 1-3 business day VALID
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 25102.8-2017 Electroacoustics—Hearing aids—Part 8:Methods of measurement of performance characteristicsof hearing aids under simulated in situ working conditions (USD) via email in 1-3 business day VALID
GY/T 87-1993 Phonograph needles (USD) via email in 1 business day ABOLISHED
GB/T 25102.13-2010 Electroacoustics—Hearing aids—Part 13:Electromagnetic compatibility(EMC) (USD) via email in 1-3 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
GB/T 13948-1992 Measuring methods for transmitters via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 17561-1998 Instruments for the measurement of sound intensity--Measurement with pairs of pressure sensing microphones via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 12060.9-2011 Sound system equipment—Part 9:Methods of measurement for artificial reverberation,time delay and frequency shift equipment (USD) via email in 1-3 business day VALID
GB/T 28049-2011 Code for sound reinforcement system design of auditorium,gymnasiums and stadium (USD) via email in 1-3 business day VALID
GB/T 28047-2011 Method of listening evaluation of sound reinforcement of auditorium gymnasium and stadium (USD) via email in 1-3 business day VALID
GB/T 14947-1994 Application of connectors for the interconnection of sound system equipment via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
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/T 4959-1995 Methods of measurement for the characteristics of sound reinforcement in auditoria via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
SN/T 0259-1993 Rules for the inspection of electrodynamic cone loudspeaker of direct radiate type for export (USD) via email in 1-3 business day
GB/T 9001-1988 Method of measurement on audio amplifier (USD) via email in 1-8 business day ABOLISHED
GB/T 25102.4-2010 Electroacoustics—Hearing aids—Part 4:Induction loop systems for hearing aid purposes—Magnetic field strength (USD) via email in 1-5 business day VALID
WH/T 82-2019 The method of the subjective assessment of sound quality for the professional sound equipment used for performing arts (USD) via email in 1-3 business day VALID
GB 6661-1986 Nipples for insert earphones (USD) via email in 1 business day VALID
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