Antique radios, Old Time Radios
DDL4
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Country:
Great Britain (UK)
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| Identical to |
DDL4
= CV1691
= VT127A_GPO
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| Similar
Tubes |
Normally replaceable-slightly different:
VR119
Other class quality (otherwise equal):
CV1119
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| First Source
(s) |
1937 : History of the British Radio Valve to 1940 p.177
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Successor Tubes
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VR119
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| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fd)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 0.7 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Low-level double diode. 200V max rms, 10mA max.
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
Babani, International Radio Tube Encyclopaedia Pages 94 & 95
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
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DDL4: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
Collection of
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