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Re: LF: Re: Make your own tubes for a LF/MF PA?

from [Stefan Schäfer] [Permanent Link][Original]
To: [email protected]
Subject: Re: LF: Re: Make your own tubes for a LF/MF PA?
From: Stefan Schäfer <[email protected]>
Date: Tue, 14 May 2013 11:10:30 +0200
In-reply-to: <240EFD4BC9864D46968BE7C39DC5B28A@F6CNIAndyHP>
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Hi Andre,

Thanks for the images, they are very nice! Maybe i will start some experiments with tubes some day.

At work we've done some simple experiments with car bulb (glass body destroyed) burning in vacuum (arround 1E-8 mbar). We applied about 120V between the filament and case and actually got an emission current of a few 100 uA. That was exciting :-)

73, Stefan/DK7FC


Am 14.05.2013 09:21, schrieb Andre Guyé:
For fun : Photos about the F2FO tubes. Tx and PA making by Jeff F6BWO
[...]
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