Antique radios, Old Time Radios
VT30
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Country:
Great Britain (UK)
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| Identical to |
VT30
= CV1030
= 10E/8738
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| Similar
Tubes |
Normally replaceable-slightly different:
ET30
; T250
Differences not known by us:
VT30_GPO
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| Base |
Wires
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 12.5 Volts / If 6.3 Ampere / Direct |
| Description |
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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| Information source |
-- Original-techn. papers.
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Collection of
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