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发表于 2020-1-15 17:55:11
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牛牛没妞 发表于 2019-12-29 20:17
现在用曙光的6P3P,和金狮复刻的KT66,感觉KT66好不少
KT66的屏耗更大,同栅压下电流也更大,它的A类和AB类屏压都比6P3P高一些。更有趣的是,KT66三极管接法特性变得像PX25(根据The Valve Museum的原话:The PX25 is directly heated and feeding the filament to minimise hum is not straight forward. Williamson, who worked for M-OV and then Ferranti, indicated that the modern indirectly heated KT66 when strapped as a triode was almost identical in performance to the PX25.)最后一句话的翻译是:先后在MOV和Ferranti公司工作的威廉逊指出现代的旁热管KT66在接成三极管时在性能上几乎和PX25相同。 |
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