| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GB/T 6449-1986 |
Methods of measurement on time delay and frequency shift equipment |
$100.00 |
via email in 1~3 business day |
superseded,2012-5-1,1987-5-1 |
|
| GB/T 6511-1986 |
Precision method for free-field calibration of U23. 77mm standard condenser microphones by the reciprocity technique |
$210.00 |
via email in 1~3 business day |
abolished2011-05-01,2011-5-1,1987-5-1 |
|
| GB/T 6657-1986 |
Measurement of electroacoustical characteristics of hearing aids |
$240.00 |
via email in 1~3 business day |
abolished2011-04-01,2011-4-1,1987-8-1 |
|
| GB/T 6658-1986 |
Measurement of electroacoustical characteristics of hearing aids with induction pick-up coil input |
$180.00 |
via email in 1~3 business day |
abolished2011-04-01 ,2011-4-1,1987-8-1 |
|
| GB/T 6659-1986 |
Measurement of electroacoustical characteristics of hearing aids with automatic gain control circuits |
$180.00 |
via email in 1~3 business day |
abolished2011-04-01 ,2011-4-1,1987-8-1 |
|
| GB/T 7313-1987 |
performance requirements and methods of measurement for high fidelity loudspeaker systems |
$150.00 |
via email in 1~3 business day |
valid,,1987-11-1 |
|
| GB/T 9001-1988 |
Method of measurement on audio amplifier |
$1360.00 |
via email in 1~5 business day |
abolished2012-02-01 ,2012-2-1,1988-10-1 |
|
| GB/T 9003-1988 |
Methods of measurement for the fundamental characteristics of mixing console |
$150.00 |
via email in 1~3 business day |
valid,,1988-10-1 |
|
| GB/T 9396-1996 |
Methods of measurement for main characteristics of loudspeakers |
$1304.00 |
via email in 1~5 business day |
abolished2012-02-01 ,2012-2-1,1997-8-1 |
|
| GB/T 9397-2013 |
General Specification for Electrodynamic Loudspeaker of Direct Radiator Type |
$270.00 |
via email in 1~3 business day |
valid,,2014-5-1 |
|
| GB/T 9400-1988 |
Dimensions of director radiator loudspeaker |
$180.00 |
via email in 1~3 business day |
abolished2005-10-14 ,,1988-1-1 |
|
| GB/T 9402-1988 |
Minimum performance requirements on high fidelity microphones |
$84.00 |
via email in 1~3 business day |
valid,,1988-11-1 |
|
| GY/T 77-1989 |
Ratings for technical indices of broadcast mixer operations |
$264.00 |
via email in 1~3 business day |
abolished2019-06-24 ,,1989-3-28 |
|
| GY/T 86-1993 |
General Technical Conditions for Analog Audio Disk Players |
|
via email in business day |
abolished2019-06-24 ,,1997-10-1 |
|
| GY/T 87-1993 |
Phonograph needles |
$264.00 |
via email in 1~3 business day |
abolished2019-06-24 ,,1993-12-1 |
|
| SJ/T 11217-2000 |
General specification of surround audio amplifier for home theater |
$480.00 |
via email in 1~3 business day |
valid,,2000-3-20 |
|
| SN/T 0259-1993 |
Rules for the inspection of electrodynamic cone loudspeaker of direct radiate type for export |
$264.00 |
via email in 1~3 business day |
abolished2006-06-21,,1994-5-1 |
|
| WH/T 39-2009 |
Practice specification of loudspeaker components used in professional audio and sound reinforcement |
$210.00 |
via email in 1~3 business day |
valid,,2009-6-1 |
|
| WH/T 82-2019 |
The method of the subjective assessment of sound quality for the professional sound equipment used for performing arts |
$424.00 |
via email in 1~5 business day |
valid,,2019-6-1 |
|
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