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Old 24th January 2012, 03:12 AM   #1
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Default Any one know were to buy the fu-80 tube?

I have a gu-81m that I have built a tesla coil with, but I want to build something with a gu-80 but they are really rare, I heard about the Chinese remake the fu-80, I've seen a couple of pictures, but does anyone know were I might purchase said tube?

sorry if this is under the wrong board
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Old 24th January 2012, 04:02 AM   #2
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FU, what a fitting prefix for Chinese tubes.
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Old 24th January 2012, 04:51 AM   #3
Tony is offline Tony  Philippines
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first up?
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Old 24th January 2012, 05:20 AM   #4
kevinkr is offline kevinkr  United States
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I'd keep an eye out on eBay.
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Old 24th January 2012, 08:16 AM   #5
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just out of curiosity, why would you want to use the gu80 when it is almost identical to the gu81m?

Why don't you try something different like one of those pulse tetrodes for radar use. Very high anode capability, huge current surge tollerance.
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