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TINMAN AMP uses HG 2SC2879
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HG 2SC1971,2SC1972,2SC2539, 2SC3022 feedback
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HG 2SC1971,2SC1972,2SC2539, 2SC3022 feedback

The following is customers' feedback. Customers are provided with products of 2SC1971, 2SC1972, 2SC2539 and 2SC3022. They have used Mitsubishi products before, which stop manufacturing now. So they ask HG to provide products to test.

Following is the feedback of their equipments test.

1) 2SC1971 - performance is absolutely the same as Mitsubishi 2SC1971
2) 2SC1972 - performance is similar to Mitsubishi 2SC1972, Gp is a little higher than Mitsubishi product
3) 2SC2539 - same as Mitsubishi product.
4) 2SC3022 - without any difference with Mitsubishi product.


Following is original feedback from customer in Chinese.

2SC1971-性能和三菱原装的没有任何区别

2SC1972-性能和三菱的相似,增益比三菱的稍高一点

2SC2539-和三菱的差别不大

2SC3022-把三菱的产品拆下来,把我们的产品放上去,不做任何调整,性能完全一样。

以上只是初步测试之印象,因测试设备,测试手段,知识面有限,只可作为一般参考。

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