Antique radios, Old Time Radios
П403_russp403_russ
Country:
Soviet Union
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Identical to |
П403_russ
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Similar
Tubes |
Other base and data slightly different:
AF124
; GF131
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Forum contributions about this tube
П403_russ
Threads: 1 | Posts: 1
Hits: 2466 Replies: 0
p403_russ (p403_russ)
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Hartmut Schmidt
02.Jan.11
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1
P403 und P403A unterscheiden sich nur in der Stromverstärkung. Weil für den P403 die Parameter in Basisschaltung angegeben werden (also hier h21b statt h21e wie sonst üblich), erscheinen hier etwas ungewöhnliche Werte:
Typ |
h21b |
P403 |
> 0,94 |
P403A |
> 0,97 |
Quelle: Radio, Heft 3/61
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П403_russ
End of forum contributions about this tube
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