Antique radios, Old Time Radios
9A3
|
Country:
Great Britain (UK)
|
|
| Identical to |
9A3
|
| First Source
(s) |
1934 : British Radio Valves - The Classic Years: 1926-1946 Supplement, p. 66
|
| Base |
British-7-Pin, old (M7A) (Codex=Nc)
Top contact with a cap.
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 0.6 Ampere / Indirect |
| Description |
Variable mu tube. Also made with Micromesh brand.
|
| Information source |
History of the British Radio Valve to 1940 p. 144 & 195
Wireless World (The), London (WW, 79) Data Nov 1935
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49
|
|
9A3: Telefunken Werkstattbuch
Wolfgang Bauer
|
Just Qvigstad
|
|
|
|
|
|
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 |
|
|
|
