Antique radios, Old Time Radios
C12_Triode
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| Identical to |
C12_Triode = WD12
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| Similar
Tubes |
Other base:
CX12; WX12
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| Predecessor Tubes |
C11
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| Successor Tubes |
CX12
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|
| Base |
UV-Base (4 Pins+Bayonet, USA 1914 WE)
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| Filament |
Vf 1.1 Volts / If: 0.25 Ampere / -: Direct / -: Battery = / |
| Description |
Ua = 90 V; Ia = 2,5 mA; Ug1 = -4,5 V; Ra = 15,5 kOhm; S 0,425 mA/V
V = 6,6
Text in other
languages (may
differ)
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C12_Triode: O.F.
Otto Frosinn
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C12_Triode: KoBi
Konrad Birkner
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| Usage in Models |
2= 1923 ; 3= 1924 |
| Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 5 |
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