Antique radios, Old Time Radios
AR12
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Country:
Great Britain (UK)
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| Identical to |
AR12
= 4020A
= CV1310
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| Similar
Tubes |
Normally replaceable-slightly different:
R87
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| Base |
UV-Base (4 Pins+Bayonet, USA 1914 WE) (Codex=Bo)
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| Was used by |
Military and/or Government |
| Filament |
Vf 2 Volts / If 0.25 Ampere / Direct / Battery = |
| Description |
Made for the British Army by STC. for telephone repeaters, this tube known as type 4020A
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Dimensions (WHD)
incl. pins / tip |
55 x 110 x mm / 2.17 x 4.33 x inch |
| Information source |
Universal Vade-Mecum, Electron Valves and Semiconductor Devices p.26
Röhren-Vademecum; P.H. Brans; Antwerpen
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
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AR12: Fin Stewart
Fin Stewart
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Just Qvigstad
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Collection of
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