楼主: tanglong2009
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做了个超级简单的电子管功放,只用了一只6J1. |
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发表于 2017-5-23 13:02:47
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发表于 2017-5-23 13:05:16
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发表于 2017-5-23 13:08:06
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发表于 2018-4-20 09:06:42
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