真空管選購請益 - 喇叭音響

By Vanessa
at 2018-09-17T13:00
at 2018-09-17T13:00
Table of Contents
原本管機是搭TUNG-SOL 5Y4G 整流管,接手後用七年,今年四月壽終正寢
露天買了便宜SYLVANIA 5Y4G替換,不到半年就掛點,賣家出貨前有機器測
試管子壽命正常
想請教買真空管有什麼方式篩選管身好壞
謝謝
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Tags:
喇叭音響
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By Adele
at 2018-09-21T22:14
at 2018-09-21T22:14

By Belly
at 2018-09-26T07:27
at 2018-09-26T07:27

By Joe
at 2018-09-30T16:41
at 2018-09-30T16:41

By Elizabeth
at 2018-10-05T01:54
at 2018-10-05T01:54
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