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-   -   Flame triodes! (http://www.diyaudio.com/forums/tubes-valves/122353-flame-triodes.html)

m6tt 2nd May 2008 02:11 PM

Flame triodes!
 
http://www.sparkbangbuzz.com/flame-amp/flameamp.htm

http://www.youtube.com/watch?v=WNl0sFViaxs

I found these after watching the mullard fabrication videos. Pretty amazing, and I was surprised how well it worked without a vaccuum. Any chance of a Mad Max / post -apocalyptic headphone amp? :)

wicked1 2nd May 2008 04:09 PM

Re: Flame triodes!
 
Quote:

Originally posted by m6tt
Any chance of a Mad Max / post -apocalyptic headphone amp? :)
HAHA that's funny. I don;t think we'll see anything "hi-fi" but as a novelty item, someone must build one :).

m6tt 2nd May 2008 05:17 PM

I was considering a bicycle generator with a step-up transformer for a really crappy B+ supply. The voltage drop on the flame diode is considerable!

Vargas 2nd May 2008 08:15 PM

I would be more inclined to believe that what you are seeing is the electron's from the heated wire making their way to the anode on their own and not so much with the help of the flame.

nhuwar 2nd May 2008 09:51 PM

Quote:

Originally posted by Vargas
I would be more inclined to believe that what you are seeing is the electron's from the heated wire making their way to the anode on their own and not so much with the help of the flame.

The flame is plasma so IE it's conductive and will act the same as a beam of electrons, it's basically the same thing.


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