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2对贵族之声复刻WE300b,换管的时候茫然了! [复制链接]

1#

哼声是电源牛发出的?
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3L-Audio Studio, established since 1993, has been dedicated to Hi-Fi audio R&D for over 20 years.
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2#

电源牛哼声是过载引致,烧保险也是过载引致。
3L-Audio Studio, established since 1993, has been dedicated to Hi-Fi audio R&D for over 20 years.
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3#

电源变压器功率不够充裕。同一偏压,换上新胆,屏流比跟机胆大得多就会出现此情况。

解决办法,测出原偏压值时跟机胆的屏流,换上新胆时将屏流调至该值。

市电电压过高也会令电源变压器倾向饱和工作状态,灯丝电压过高而缩短胆寿,此情况也务必重视。

另,所谓配对,系指特定屏压/栅偏下的配对,偏离特定测试条件,配对不复存在。故此,新胆上机时需精调工作点。
3L-Audio Studio, established since 1993, has been dedicated to Hi-Fi audio R&D for over 20 years.
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4#

是的

确保电源变压器不进入饱和状态前提下,静态工作点在一定范围内可以尝试增减,调出自己喜欢的音色。
3L-Audio Studio, established since 1993, has been dedicated to Hi-Fi audio R&D for over 20 years.
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