bn:01528370n
Noun Named Entity
Categories: Vacuum tubes
EN
SY4307A
EN
The type SY4307A is the STC version of the Western Electric 307A, a power output pentode possessing a similar power rating, but significantly different characteristics to the far more common type 807 thermionic valve/vacuum tube. Wikipedia
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EN
The type SY4307A is the STC version of the Western Electric 307A, a power output pentode possessing a similar power rating, but significantly different characteristics to the far more common type 807 thermionic valve/vacuum tube. Wikipedia
IS A
Wikipedia
EN
Wikidata
EN