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发表于 2014-5-18 06:42
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本帖最后由 Lafeite 于 2014-5-18 07:58 编辑
他的高性能、他在高端音箱中的地位无人质疑,厂家提供的性能参数也确实是优异的,那么我们很想看看他的频率特性,可惜厂家不提供,长久以来发烧圈是相信他的频率特性一定非常优秀。
好吧,算我无聊
PMC GB1 Loudspeakers: Measurements
PLEASE NOTE: Our standard is to provide the THD+N measurement at 90dB with a measuring distance of 2 meters (within the anechoic chamber). Since this speaker produced low distortion levels under those conditions, we have added a second measurement performed at 95dB to give an indication of performance under higher-output conditions.
Frequency Response and Sensitivity
Microphone measuring position: between tweeter and midrange
Grille: off
Sensitivity: 87.0dB (averaged 300Hz-3kHz, 2.83V/1m)
Frequency response, 20Hz - 20kHz (measured @ 2m, plotted @ 1m)
Top curve: on-axis response
Middle curve: 15 degrees off-axis response
Bottom curve: 30 degrees off-axis response
我不知道怎样把厂家公布的性能与这个测量结果联系起来 |
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