Radio Antica e Radio d'epoca
69_Sylvania
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Stato:
USA (Stati Uniti d'America)
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| Identico a |
69_Sylvania
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| Valvole
simili |
Heater different:
29
Differences not known by us:
WunderlichA-Auto
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| Zoccolo |
6-Pin-Base U6A, old, USA
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| Utilizzata per |
Radio/TV-reception etc. |
| Filamento |
Vf 6.3 Volt / If 0.4 Ampere / Indirect / Specified voltage AC/DC |
| Descrizione |
This tube was a double grid detector-amplifier developed by Sylvania. Few manufacturers were interested in this tube and it had a short commercial life.
Operating data according to Fritz Röhren-Vademekum 1948:
Vp = 180 V
Vg' = -3 V
Vg" = -3 V
Ip = 5 mA
Gm = 1400 µmhos
µ = 30
Testo in altre lingue
(può variare)
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Dimensioni
(LxAxP)
incl.pins/tip |
x 103 x 38 mm / x 4.06 x 1.50 inch |
| Peso |
34 g / 1.20 oz |
| Bibliografia |
-- Collector info (Sammler)
Tube Lore (II) p. 26 & 28
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69_Sylvania: Fin Stewart
Fin Stewart
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Just Qvigstad
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[rmxtube-en]
| Conformità dei dati |
Ulteriori informazioni |
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