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Sunlight Loudspeaker Aging Tester 8121c
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Personne à contacter FuleWang
Shenzhen, Guangdong
***1
C型采用数å—技术产生伪éšæœºå™ªå£°ï¼Œè¿™æ˜¯äº§ç”ŸéŸ³é¢‘白噪声最先进的方法。 ä¼ ç»Ÿçš„å™ªå£°å‘生器实际上åªäº§ç”Ÿç™½å™ªå£°å’Œç²‰çº¢å™ªå£°ï¼Œå®ƒéœ€è¦ä¸ŽåŠ æƒæ»¤æ³¢å™¨ã€åŠŸçŽ‡æ”¾å¤§å™¨å’ŒçœŸæ£çš„å‡æ–¹æ ¹ç”µåŽ‹è¡¨(å…±4路电路)相结åˆï¼Œæ‰èƒ½ç”¨äºŽæ‰¬å£°å™¨çš„测试。***1 C由上述4ç§ç”µè·¯ç»„æˆï¼Œå¯äº§ç”Ÿç²‰çº¢å™ªå£°ã€ç™½å™ªå£°å’Œå…¶å®ƒ3ç§ç¬¦åˆä¸Šè¿°å›½å®¶æ ‡å‡†çš„åŠ æƒå™ªå£°ã€‚ 如果需è¦ç‰¹æ®Šçš„噪声频谱,用户å¯ä»¥åœ¨å™ªå£°ä¿¡å·è¾“出和功率放大器输入端å之间æ’å…¥è‡ªåˆ¶çš„åŠ æƒæ»¤æ³¢å™¨ã€‚ 用法: 1.扬声器ã€è€³æœºã€æ‰¬å£°å™¨ç³»ç»Ÿå’Œäº¤å‰ç³»ç»Ÿçš„è¿žç»è´Ÿè½½æµ‹è¯•ã€‚ 2.æ ¹æ®è¿žç»è½½è·è¯•éªŒçš„ç»“æžœï¼Œç¡®å®šäº†å¾…æµ‹æ ·æœ¬çš„é¢å®šè¾“入功率。 3.将噪声信å·æ³¨å…¥æ‰¬å£°å™¨ï¼Œä»¥æµ‹é‡æ‰¬å£°å™¨çš„声压çµæ•åº¦(dB值)。 4.结åˆéŸ³é¢‘频谱分æžä»ªæµ‹é‡æ‰¬å£°å™¨çš„频率å“应曲线。 注: ***1 B型是旧型å·ï¼Œå·²ç»åœæ¢ç”Ÿäº§ï¼Œå®ƒçŽ°åœ¨æ£åœ¨è¢«å–代****1 C型。***1 Cåž‹å’Œ***1 B型之间唯一的区别是****1 B型使用旧的EIA **6 Aæ ‡å‡†åŠ æƒè¿‡æ»¤å™¨(EIA***6 A已被废除);而***1 C使用符åˆæ–°è¦æ±‚çš„EIA **6 Bæ ‡å‡†çš„åŠ æƒè¿‡æ»¤å™¨ã€‚太阳光还æ供:***1 FT*1型噪声过滤器,符åˆIEC*****1æ ‡å‡†.(它必须与型å·****1 B或型å·****1 C结åˆä½¿ç”¨)。 |
Model - ***1FT - 1 (1) ***1FT*1 is the weighting filter made in accordance to IEC*******1 requirement, it must linked with either Model****1C or ***1B made by Sunlight Electronics Laboratory, to enable it to generate weighting noise filter that complied with IEC*******1 requirement , for undergoing the life testing of the loudspeaker and by defining the rated power of the loudspeaker. (2) When using please take note that: The signal adopts the Pink Noise, and not other signal of noise sources. (3) Furthermore, the noise generated from this weighting filter also complies with the filter noise required by the JIS C***2 . |
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Specifications of Model - ***1C | |
Noise Type : White Noise: *3dB Bandwidth : *0Hz~**0 kHz Roll off : **4dB / Oct. Flatness : ±1dB Pink Noise: *3dB Bandwidth : *0Hz~*0 kHz Roll off : **4dB / Oct. Crest factor : 4 ( IEEE **9 ) Weighted Noise : Complies IEEE **9, CNS ***5, JIS C***1. 4. Weighted Noise : Complies EIA **6B 5. Weighted Noise : Complies DIN ****3. *-*:*@******************** |
Pays: | China |
N ° de modèle: | Sunlight Loudspeaker Aging Tester 8121c |
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Payment Type: | - |
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