Try posting some details on www.audioasylum.com under "tube asylum." Usually some experts there....
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Justlisten- were they "bulk packaged" in white boxes from a guy in Singapore, bought via ebay. I bought some too, they are labelled Siemens Germany, and come with individual test results labelled on each box. I bought a matched quad and was wondering the same thing; shouldn't they say W. Germany unless they were pre-WWII? |
Follow this link and it should give you a good idea, from audio asylum http://www.audioasylum.com/audio/faq/joes-tubes.html#6DJ8 very informative. regards |
- 13 posts total