Antique radios, Old Time Radios
CV1203
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| Tube type: |
Transmitting Triode, air cooled |
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<1925 very rare. *** |
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| Identical to |
CV1203
= 4869
= NT1
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| Similar
Tubes |
Normally replaceable-slightly different:
T1
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| Base |
Wires only.
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| Filament |
Vf 14 Volts / If 4.7 Ampere / Direct |
| Description |
The naval name for the T1. Based on a theoretical Admiralty design and manufactured by the Osram-Robertson lamp works.
Pure or thoriated tungsten filament. 2KV max anode voltage, 150W anode dissipation, 1.6mA/V mutual conductance.
Green grid wire from one side, two yellow wires (filament) and one red wire (anode) from other side.
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| Information source |
-- Original-techn. papers.
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CV1203: Manufacturer's Literature
Emilio Ciardiello
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