| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GB/T 25102.4-2010 |
Electroacoustics—Hearing aids—Part 4:Induction loop systems for hearing aid purposes—Magnetic field strength |
$420.00 |
via email in 1~3 business day |
valid,,2011-4-1 |
|
| GB/T 25102.6-2017 |
Electroacoustics-Hearing aids-Part 6:Characteristics of electrical input circuits for hearing aids |
$80.00 |
via email in 1~3 business day |
valid,,2018-5-1 |
|
| GB/T 25102.8-2017 |
Electroacoustics-Hearing aids-Part 8:Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions |
$370.00 |
via email in 1~3 business day |
valid,,2018-5-1 |
|
| GB/T 28047-2011 |
Method of listening evaluation of sound reinforcement of auditorium gymnasium and stadium |
$300.00 |
via email in 1~5 business day |
valid,,2012-2-1 |
|
| GB/T 28048-2011 |
Code for acceptance of quality of sound reinforcement system of auditorium gymnasium and stadium |
$210.00 |
via email in 1~3 business day |
valid,,2012-2-1 |
|
| GB/T 28049-2011 |
Code for sound reinforcement system design of auditorium,gymnasiums and stadium |
$360.00 |
via email in 1~3 business day |
valid,,2012-2-1 |
|
| GB/T 35784-2017 |
Audio visual equipments―Methods for the subjective assessment of small impairments in audio systems |
$430.00 |
via email in 1~5 business day |
valid,,2018-7-1 |
|
| GB/T 42758-2023 |
Advanced sound system for programme production |
$315.00 |
via email in 1~5 business day |
valid,,2023-12-1 |
|
| GB/T 43537-2023 |
Sound system equipment—Headphones and earphones associated with personal music players—Measurement methods of maximum sound pressure level |
$315.00 |
via email in 1~5 business day |
valid,,2024-7-1 |
|
| GB/T 44021.1-2024 |
Audio, video and related equipment—Determination of power consumption—Part 1：General |
$270.00 |
via email in 1~3 business day |
valid,,2024-11-1 |
|
| GB/T 44021.2-2024 |
Audio, video，and related equipment—Determination of power consumption—Part 2: Test signals and media |
$615.00 |
via email in 1~5 business day |
valid,,2024-11-1 |
|
| GB/T 44021.3-2024 |
Audio,video and related equipment—Determination of power consumption—Part 3: Television sets |
$600.00 |
via email in 1~5 business day |
valid,,2024-11-1 |
|
| GB/T 44021.4-2024 |
Audio, video and related equipment—Determination of power consumption—Part 4: Video recording equipment |
$315.00 |
via email in 1~5 business day |
valid,,2024-11-1 |
|
| GB/T 44021.5-2024 |
Audio, video and related equipment—Determination of power consumption—Part 5: Set top boxes（STB） |
$315.00 |
via email in 1~5 business day |
valid,,2024-11-1 |
|
| GB/T 44021.6-2024 |
Audio,video and related equipment—Determination of power consumption—Part 6: Audio equipment |
$345.00 |
via email in 1~5 business day |
valid,,2024-11-1 |
|
| GB/T 44218-2024 |
Methods of measurement for microspeakers |
$600.00 |
via email in 1~5 business day |
valid,,2025-2-1 |
|
| GB/T 4959-1995 |
Methods of measurement for the characteristics of sound reinforcement in auditoria |
$160.00 |
via email in 1~3 business day |
abolished2012-02-01,2012-2-1,1996-3-1 |
|
| GB/T 4959-2011 |
Methods of measurement for the characteristics of sound reinforcement in auditoria |
$450.00 |
via email in 1~3 business day |
valid,,2012-2-1 |
|
| GB/T 6278-2012 |
Simulated programme signal |
$80.00 |
via email in 1~3 business day |
valid,,2013-6-1 |
|
| GB/T 6448-1986 |
Methods of measurement for artificial reverberation equipment |
$220.00 |
via email in 1~3 business day |
valid,,1987-5-1 |
|
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