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发表于 2019-7-10 11:45
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来自 日本
headfi 上的帖子。。。是不是以讹传讹我就不知道了。。。交给大佬评判了。。。。既然 只生产了几个月。。。如今怎么可能找得到啊。。。。
顺道 我把headfi上的 贴过来。。。还有一个是关于ecc系列的一个简短的描述。。。我就是看了这个 不大敢上。。。毕竟电流高了一半。。。。
Telefunken 6SN7GTA [PHOTO HERE]
[GT: ??? GTA: top getter, white labels on glass, black base, round mica with diamond points scattered around it]
GT: This tube certainly lives up to its ‘legendary’ status. Why? Because it never existed. 6SN7s were NEVER made by Telefunken.
This tube is always sourced from Philips Holland (which in turn sourced from 1960s East German or Russian factories) Also occasionally rebranded as Ultron and Hoges.
GTA: This tube, while labelled ‘Made in West Germany’, was almost certainly not made in West Germany. Most who purchase this tube have been disappointed with its sound, describing it as ‘boring’ and ‘dry’ (AA).
ECC31, 32, 33, 34 - Popular MISconception: these are NOT equivalent to 6SN7. Especially the ECC32/CV181 - close, but the 50% higher current draw will probably fry some transformers. Grid voltage, gain and transconductance are all different for these tubes. Ask your amp manufacturer first before substituting these in.
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