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[AMPS] Emission from Thoria Filaments

To: <amps@contesting.com>
Subject: [AMPS] Emission from Thoria Filaments
From: pcmeas@hotmail.com (Arlen Mendelssohn)
Date: Wed, 06 May 1998 02:15:17 PDT
>Filaments are not carburized when they are made.   Even if the filament 
>were replaced with a new filament, the new filament would need to be 
>carburized with acetylene.  
>
>>wereand grid structure and was about 50-75% the cost of a new tube.
>>The less than reputable rebuilders used the acetylene method...
>

I find it rather interesting that Eimac's website, in its discussion of 
remanufactured tubes, notes that they replace filaments only when they 
cannot be re-used, and when they can be re-used, Eimac doesn't even 
discuss reprocessing them.

Arlen

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