Antique radios, Old Time Radios
LF_non-ring
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Country:
Great Britain (UK)
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| Identical to |
LF_non-ring
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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 2.7 Volts / If 0.06 Ampere / Direct |
| Description |
This tube is a Dull Emitter low consumption type. It iwas specially designed to eliminate microphonic noise by damping out vibration transmitted to the tube base.
The tube is mounted with flexible leads encased in free rubber dampers and the whole is suspended within a protective cover by resilient bands..
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| Information source |
- - Manufacturers Literature Undated tube booklet c. 1925
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LF_non-ring: Fin Stewart
Fin Stewart
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Just Qvigstad
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LF_non-ring: Fin Stewart
Fin Stewart
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