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| Chinese National Standard Category: Sound and electronic sound equipment |
| English Title: | Precision method for free-field calibration of U23. 77mm standard condenser microphones by the reciprocity technique |
| Chinese Title: | 采用互易技术对φ23.77mm标准电容传声器进行自由场校准的精密方法 |
| Standard No.: | GB/T 6511-1986 |
| Category No.: | M72 |
| Issued by: | National Bureau of Standards |
| Issued on: | 1986-06-18 |
| Implemented on: | 1987-5-1 |
| Status: | superseded |
| Superseded by: | GB/T 20441.3-2010 Electroacoustics - Measurement microphone - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique |
| Superseded on: | 2011-5-1 |
| Abolished on: | 2011-05-01 |
| Superseding: | |
| Word Count: | 7000 words |
| Similar Standards: | GB/T 13948-1992 GB 6660-1986 GB/T 42758-2023 WH/T 82-2019 GB/T 25102.12-2018 GB/T 35784-2017 GB/T 25102.8-2017 GB/T 25102.6-2017 GB/T 15528-2013 GB/T 12060.7-2013 GB/T 14471-2013 GB/T 9397-2013 GB/T 12060.4-2012 GB/T 14198-2012 GB/T 6278-2012 GB/T 14197-2012 GB/T 12060.11-2012 GB/T 12060.9-2011 GB/T 28047-2011 GB/T 28048-2011 |
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