AW: [time-nuts] Strange effect with C-Field change -- and a bit ofdata
John Ackermann N8UR
jra at febo.com
Sun Mar 27 13:56:57 EST 2005
Brooke Clarke wrote:
> Can you tell if just a raw tube was installed in you HP or is there a
> printed circuit board on the tube? A photo might be worth 1,000 words.
The retrofit kit is just the tube plus mounting hardware (it's
physically quite a bit smaller than the HP tube). There's no additional
circuitry, and no electrical changes to the HP chassis, other than the
several tube-specific components that you need to change to adjust oven
temperature and C field centering, etc. (just like you need to do when
changing HP tubes).
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