Measurements of Topping L50 HeadphoneAmp

前两天发布了拓品E50解码的测量,熟悉拓品产品策略的人一定猜到了,和E50一起推出的配套耳放 Topping L50 也已经在路上。没错!家人们!其实我早就拿到了Topping L50的工程样机。而且非常幸运的是,工程样机和最终零售版之间“没有区别”:

%title插图%num
Photo
Rear
Rear

反正的壳子一直是一言难尽,大家懂的都懂,我直接上测量:

BALinBALOutDash
BALinBALOutDash
BALinUNBALOutDash
BALinUNBALOutDash
UNBALinBALOutDash
UNBALinBALOutDash
UNBALinUNBALOutDash
UNBALinUNBALOutDash

5VDash
5VDash
50mvDash
50mvDash

Dynamic-Range
Dynamic-Range
Linearity-(2
Linearity-(2
THD+N-Ratio-vs-Freq
THD+N-Ratio-vs-Freq
SMPTE-Ratio
SMPTE-Ratio
Multitone
Multitone
Crosstalk
Crosstalk

BAL-THD+N-Ratio-vs-Measured-Level
BAL-THD+N-Ratio-vs-Measured-Level

更正!用高增益挡,300Ω下可以获得略高一点的的实际输出功率(550+mw):

300R-THD+N-Ratio-vs-Measured-Level
300R-THD+N-Ratio-vs-Measured-Level

其实单端和平衡一样的:

UNBAL-THD+N-Ratio-vs-Measured-Level
UNBAL-THD+N-Ratio-vs-Measured-Level

结论:又卷!

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