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28th October 2004, 02:04 PM
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#1 |
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diyAudio Member
Join Date: Jun 2004
Location: Bulgaria
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Need info about rare Siemens Cf "post tube"
Hello,
I have a pair of those gorgeous and rare Cf tubes made by Siemens. They are telecommunication triodes (post tubes) with very low internal resistance and low mu (~6.0). My question is: does anybody could provide me with more application info about Cf tubes? I tried to find more info via google but "Cf" is too usual phrase to obtain any relevant results. Thank you. |
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28th October 2004, 02:37 PM
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#3 |
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diyAudio Member
Join Date: Oct 2003
Location: Germany
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