Antique radios, Old Time Radios
TT4
|
Country:
Great Britain (UK)
|
|
| Identical to |
TT4
= ACP
|
| Similar
Tubes |
Normally replaceable-slightly different:
41FP
; ACL
; CV1179
; CV2815
; ML4
|
| First Source
(s) |
1937 : History of the British Radio Valve to 1940 p. 180
|
| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC |
| Information source |
History of the British Radio Valve to 1940 p. 142 & 180
Babani, International Radio Tube Encyclopaedia p. 148 & 149
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
|
|
TT4: Telefunken Werkstattbuch
Wolfgang Bauer
|
Just Qvigstad
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Collection of
Collection of a member from D |
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