Antique radios, Old Time Radios
HF2_Octron
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Country:
Great Britain (UK)
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| Identical to |
HF2_Octron
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2 Volts / If 0.1 Ampere / Direct / Battery = |
| Description |
Rac 30kΩ, gm 0.5mA/v at Vg=0 and Va=100
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| Information source |
Wireless World (The), London (WW, 79) June 1929
British Radio Valves - The Classic Years: 1926-1946 p. 250, 331; Supplement p 80.
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HF2_Octron: Fin Stewart
Fin Stewart
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Just Qvigstad
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