Measurements of RuiKaiYing Audio HIFI CAC PowerAMP

这台功放是某好事者号称499不包邮价格购入后送测我这边的,送测者说这台功放在他的系统上能听到底噪,让我看看什么情况。经过征得同意之后我拆机发现这台功放很像是淘宝上卖368的瑞凯盈东芝对管放:

Photo
Photo
Teardown1
Teardown1
Teardown2
Teardown2

怎么说呢,如果以368的价位购买的话,个人觉得还是不贵的。电路是经典的低偏置AB类电路,做工糙点也就糙点,毕竟又不是不能用对吧。开始测量:

4R5WDashboard
4R5WDashboard
8R5WDashboard
8R5WDashboard
Dynamic-Range
Dynamic-Range
THD+N-Ratio-vs-Freq-4R
THD+N-Ratio-vs-Freq-4R
SMPTE-Ratio
SMPTE-Ratio
Multitone@4R5W
Multitone@4R5W
THD+N-Ratio-vs-Measured-Level-4R
THD+N-Ratio-vs-Measured-Level-4R
THD+N-Ratio-vs-Measured-Level-8R
THD+N-Ratio-vs-Measured-Level-8R

总结:368的话,其实还行,能响。淘宝作坊的平均水平。

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