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王老师 好久不见 东西真好 频率上见 [表情] [表情] [表情]
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四只6p3p甲类并连推挽,屏压只用到250v。一只6n8p做倒相,一只6sj7(接成三极管)做放大。输出变压器初级电感26亨,漏感仅6.8毫亨!功放下是8"监听音箱。
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元旦快乐!图片左下角,2个lcd 显示的是什么板子?