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发表于 2005-5-21 06:27:12
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Post by HAmy
有源音箱的话找台调频收音机调到没台的地方插上效果就是白噪声煲机
Although white noise is weak, it is not a good source because of its energy spectrum spread in the frequency range.
Post by freeflying
给你个建议：直接用50Hz左右的频率来试试，以前我们自己玩功放和箱子的时候是直接接入50Hz的低压交流电，开个两天，效果很好。
1. The energy in sine wave signal is the strongest!
2. Idea speaker should cover the entire audio frequency range, i.e. 20-20kHz. Test signal should NOT spot on a single frequency! You may burn-in at 50Hz but you have sacrified the entire bandwidth!
Sine wave signal spot on a single frequency is usually done when we intend to find adnormal buzz or air leakages in cabinet.
Post by YGC
正在找惠威试音碟。很多链接下不了。郁闷。。。。
"Black Magic" is published by TIS but, sadly, it is no longer available in the market. It contains special piano and bass tracks that can relief the internal stress of your speaker components, either mechanical and electrical.
"Black Magic" is really black magic! Once the speakers are burn-in with "Black Magic", every fine details of your music can be revealed. ;)
Please forgive me to type in lengthy English, I am very poor in Chinese input method. |
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