Satirists drone about being updated from valves (14)

I believe the answer is:

transistorised

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'updated from valves' is the definition.
I can't tell whether this defines the answer.

'satirists drone about' is the wordplay.
'about' is an anagram indicator.
'satirists'+'drone'='satiristsdrone'
'satiristsdrone' anagrammed gives 'TRANSISTORISED'.

'being' acts as a link.

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I've seen this clue in The Daily Express.

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