Radios antiguas y Radios de Colección
VT30
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País:
Gran Bretaña (GB)
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| Idéntica a |
VT30
= CV1030
= 10E/8738
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| Válvulas similares |
Substituya normalmente -diferencia peq.:
ET30
; T250
Differences not known by us:
VT30_GPO
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| Base |
Wires
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| Usada en |
Transmittertube (Radio) |
| Filamento |
Vf 12.5 Volt / If 6.3 Ampere / Direct |
| Descripción |
250W plate dissipation, 20MHz max operating freq.
Introduced in the early 1920s by MOV as T250, it was accepted by British Post Office as VT30 and by Air Ministry as 10E/8738. Later all the specs were unified in the CV register as CV1030.
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| Literatura |
-- Original-techn. papers.
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