درباره ما
MIL-DTL-18239E
EARPHONE H-87B/U
| contributor author | NAVY - AS - Naval Air Systems Command | |
| date accessioned | 2017-09-04T18:14:05Z | |
| date available | 2017-09-04T18:14:05Z | |
| date copyright | 36830 | |
| date issued | 2000 | |
| identifier other | HGSZNAAAAAAAAAAA.pdf | |
| identifier uri | http://yse.yabesh.ir/std;query=anid=47037D83081DAC4210946D6E273C9FCD/handle/yse/197082 | |
| description abstract | This specification covers one type of moving coil, dynamic type earphone designated as H-87B/U. This earphone transforms electrical energy into acoustical energy and may be acquired normally as component parts of a complete headset assembly Intended Use: These earphones are intended for use with a variety of headsets and helmets required for aircraft communicating facilities in performance of the function intended (see 3.4). In addition, these earphones are mechanically and electrically interchangeable with earphone: P/OH-87A/U but the frequency range has been extended from 6,000 to 7,000 Hz. | |
| language | English | |
| title | MIL-DTL-18239E | num |
| title | EARPHONE H-87B/U | en |
| type | standard | |
| page | 25 | |
| status | Revised | |
| tree | NAVY - AS - Naval Air Systems Command:;2000 | |
| contenttype | fulltext | |
| subject keywords | Dynamic type earphone | |
| subject keywords | Moving coil earphone |
