今天还收到一台好玩的设备,灵音RP单端/平衡HIFI发烧高保真高性价比台式耳机放大器。之前送测人联系我的时候,我也看过这个店,当时我根据店里的电路板背面照片,做出了以下评价:
那么……
![%title插图%num %title插图%num](https://cdn.l7audiolab.com/wp-content/uploads/2021/01/Photo-7-1024x683.jpg)
直接测量:
![%title插图%num RP XLRDashboard](https://cdn.l7audiolab.com/wp-content/uploads/2021/01/XLRDashboard-1-1024x560.jpg)
![%title插图%num %title插图%num](https://cdn.l7audiolab.com/wp-content/uploads/2021/01/LYDynamic-Range-1024x384.jpg)
![%title插图%num THD+N-Ratio-vs-Freq](https://cdn.l7audiolab.com/wp-content/uploads/2021/01/THDN-Ratio-vs-Freq-8-1024x833.jpg)
![%title插图%num %title插图%num](https://cdn.l7audiolab.com/wp-content/uploads/2021/01/LYSMPTE-Ratio-1024x863.jpg)
![%title插图%num %title插图%num](https://cdn.l7audiolab.com/wp-content/uploads/2021/01/LYTHDN-Ratio-vs-Measured-Level-1024x818.jpg)
![%title插图%num %title插图%num](https://cdn.l7audiolab.com/wp-content/uploads/2021/01/LYMultitone-1024x820.jpg)
以上是空载,整体来说还不错拉
这个耳放主要的问题在于:虚标功率+巨大带载失真
标称28W的32Ω功率…… 我们来看看实际情况:
![%title插图%num RP THD+N-Ratio-vs-Measured-Level-@-BALOut-32Ω](https://cdn.l7audiolab.com/wp-content/uploads/2021/01/THDN-Ratio-vs-Measured-Level-@-BALOut-32Ω-1-1024x818.jpg)
![%title插图%num 翻车](https://cdn.l7audiolab.com/wp-content/uploads/2021/01/fc.gif)
为了确认,我专门测了一套仪表板。CH1(蓝色)是空载,CH2(红色)是32Ω负载 RMSlevel已经根据32Ω校准:
![%title插图%num RP 1mwDash](https://cdn.l7audiolab.com/wp-content/uploads/2021/01/1mwDash-1024x560.png)
![%title插图%num RP 10mwDash](https://cdn.l7audiolab.com/wp-content/uploads/2021/01/10mwDash-1024x560.png)
![%title插图%num RP 16mwDash](https://cdn.l7audiolab.com/wp-content/uploads/2021/01/16mwDash-1024x560.png)
输出阻抗不小:
![%title插图%num %title插图%num](https://cdn.l7audiolab.com/wp-content/uploads/2021/01/LYOI.jpg)
带载多音:
![%title插图%num %title插图%num](https://cdn.l7audiolab.com/wp-content/uploads/2021/01/Multitone32Ω-1024x820.jpg)
问了一下卖家:
0.1%的话,32欧带载功率是16mw 1%的话 是9.4W
店家瞬间冒虚汗
店家一声卧槽
不至于不至于
谦卑的降维打击既视感
。。。。。。
店家:小丑竟是我自己?
一众DIY产品里算良心了吧,改进改进可能还不错?
32Ω 28w……也太敢写了
前级做的不错,后级翻车咯
哈哈,我买过。7天无理由退了。
16mw……??????拜托,弱爆了啊!这什么欺诈宣传!