Brooke Clarke wrote:
John:
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).
John
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