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Old 1st Jan 2022, 7:24 pm   #1
G6Tanuki
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Location: Wiltshire, UK.
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Default Care and Feeding of Power-Grid tubes.

It's always good to see a manufacturer acknowledging their history.

CPII https://www.cpii.com/

are the current owners of the designs and IP [intellectual property] of EIMAC [Eitel-McCulloch] who designed and manufactured a whole bunch of 'hot' power-tubes in the 50s/60s/70s and which are still being used today by us RF-fiends.

See here:https://www.cpii.com/library.cfm/1

for the 'care and feeding' papers - which really reveal why you need to design your screen-grid supply to be able to source- and sink! current.

[I never understood the 'ultra-linear' audio-amp thingy]
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