Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
GB/T 13948-1992 |
Measuring methods for transmitters |
$904.00 |
via email in 1~5 business day |
abolished2005-10-14 ,,1993-8-1 |
|
GB/T 14197-2012 |
Preferred matching values for the interconnections of audio,video and audiovisual systems |
$330.00 |
via email in 1~3 business day |
valid,,2013-6-1 |
|
GB/T 14198-2012 |
General specification for microphones |
$270.00 |
via email in 1~3 business day |
valid,,2013-6-1 |
|
GB/T 14199-1993 |
General specification for pocket hearing aids |
$190.00 |
via email in 1~3 business day |
abolished2011-04-01,2011-4-1,1993-10-1 |
|
GB/T 14200-1993 |
performance requirements for high fidelity audio amplifiers |
$100.00 |
via email in 1~3 business day |
abolished2017-12-15,,1993-10-1 |
|
GB/T 14471-2013 |
General Specification for Headphones |
$120.00 |
immediately |
valid,,2014-7-15 |
|
GB/T 14474-1993 |
specification for horn loudspeakers |
$150.00 |
via email in 1~3 business day |
superseded,2025-5-1,1994-2-1 |
|
GB/T 14474-2024 |
Horn loudspeakers—General requirements |
$375.00 |
via email in 1~5 business day |
valid,,2025-5-1 |
|
GB/T 14475-1993 |
of measurement for horn loudspeakers |
$150.00 |
via email in 1~3 business day |
abolished2025-05-01 ,2025-5-1,1994-2-1 |
|
GB/T 14475-2024 |
Horn loudspeakers—Measuring methods |
$735.00 |
via email in 1~5 business day |
valid,,2025-5-1 |
|
GB/T 14476-1993 |
method for the objective estimating of speech intelligibility in auditoria |
$120.00 |
via email in 1~3 business day |
superseded,2018-5-1,1994-1-1 |
|
GB/T 15381-1994 |
Electrical and audio requirements for the conference systems |
$450.00 |
via email in 1~3 business day |
abolished2017-12-15,,1995-8-1 |
|
GB/T 15528-2013 |
Methods of Measurement on Microphones and Earphones for Speech Communications |
$390.00 |
via email in 1~3 business day |
valid,,2014-7-15 |
|
GB/T 17276-1998 |
General specification for wireless microphone systems |
$240.00 |
via email in 1~3 business day |
valid,,1998-1-2 |
|
GB/T 17561-1998 |
Instruments for the measurement of sound intensity--Measurement with pairs of pressure sensing microphones |
$330.00 |
via email in 1~3 business day |
valid,,1999-7-1 |
|
GB/T 25102.1-2010 |
Electroacoustics - Hearing aids - Part 1:Hearing aids with induction pick-up coil input |
$70.00 |
via email in 1~3 business day |
valid,,2011-4-1 |
|
GB/T 25102.100-2010 |
Electroacoustics—Hearing aids—Part 0:Measurement of electroacoustical characteriistics |
$300.00 |
via email in 1~3 business day |
valid,,2011-4-1 |
|
GB/T 25102.12-2018 |
Electroacoustics—Hearing aids—Part 12:Dimensions of electrical connector systems |
$250.00 |
via email in 1~3 business day |
valid,,2019-1-1 |
|
GB/T 25102.13-2010 |
Electroacoustics - Hearing aids - Part13: Electromagnetic compatibility (EMC) |
$140.00 |
via email in 1~3 business day |
valid,,2011-4-1 |
|
GB/T 25102.2-2010 |
Electroacoustics—Hearing aids—Part 2:Hearing aids with automatic gain control circuits |
$330.00 |
via email in 1~3 business day |
valid,,2011-4-1 |
|
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