Antique radios, Old Time Radios
2D4A
|
Country:
Great Britain (UK)
|
|
| Identical to |
2D4A
= 2DA4
= CV795
|
| Similar
Tubes |
Normally replaceable-slightly different:
A20B
; AC/DD
; D41
; DD4
; DDA1
; V914
Different connections:
2D4
; AB1
Other base:
AB2
|
| Predecessor Tubes |
2D4
|
| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 0.65 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Common cathode. 200V max (Mullard 1935)
|
Dimensions (WHD)
incl. pins / tip |
x 88 x 33 mm / x 3.46 x 1.30 inch |
| Weight |
30 g / 1.06 oz |
| Information source |
History of the British Radio Valve to 1940 p. 138 & 177
Babani, International Radio Tube Encyclopaedia p. 4 & 5
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
|
|
2D4A: Telefunken Werkstattbuch
Wolfgang Bauer
|
Just Qvigstad
|
2D4A: Mullard Valves 1936
Peter Hoddow
|
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):73
Collection of
Collection of a member from D Collection of a member from D |
|
|
|
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