Radio Antica e Radio d'epoca
VT8_GPO
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Tipo: |
Triodo a vuoto Audio Frequency |
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<1925 very rare |
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Identico a |
VT8_GPO
= R208-A
= 208A
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Zoccolo |
UV-Base (4 Pins+Bayonet, USA 1914 WE)
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Utilizzata per |
Telephony |
Filamento |
Vf 4.4 Volt / If 0.97 Ampere / Direct / Specified voltage AND current AC/DC |
Descrizione |
Western Electric designed (208A) used by the British Post Office in 1921. No information available if these tubes were manufactured in the UK or were re-branded American types.
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Bibliografia |
British Radio Valves - The Vintage Years: 1904-1925 Pages 82 and 133
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VT8_GPO: 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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