Antique radios, Old Time Radios
A70D
|
Country:
Great Britain (UK)
|
|
| Identical to |
A70D
|
| Similar
Tubes |
Normally replaceable-slightly different:
4PenAAC
; 7A3
; A70C
; AC2/Pen
; N41
; PenA4
|
| Base |
British-7-Pin, old (M7A) (Codex=Ndo)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 2 Ampere / Indirect |
| Information source |
History of the British Radio Valve to 1940 p. 146
Babani, International Radio Tube Encyclopaedia p. 42 & 43
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
|
|
A70D: telefunken werkstattbuch
Anonymous 10 Collector
|
Just Qvigstad
|
|
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):31
|
|
|
|
You reach this tube or valve page from a search
after clicking the "tubes" tab or by clicking a tube
on a radio model page. You will find thousands
of tubes or valves with interesting links. You
even can look up radio models with a certain tube
line up.
[rmxtube-en]
| Data Compliance |
More Information |
|
|
|
