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805/300B互换巨无霸单端胆机
2004年09月06日 『胆艺轩』 浏览选项:   阅读次数:145
      电路使用宝尔真的805单端,本站电路图库中有,大家可以参考,FU-7阴极串40H电感推动FU-5和300B,300B为自给偏压。FU-5(5K)和300B(4K)共用50W单端牛,设有转换开关,高压整流为5U4X1,866X2,全油浸或MKP滤波,没有使用电解。机内布线80%为八股镀银,交直流都有屏蔽。效果远胜过绞线连灯丝!电压放大前级为两套,一是M7,一是12AU7构成的SRPP缓冲级,二者可转换。机重85公斤。音效与名机真有得博
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原作者: huyiping
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