 |
| Identical to |
401
|
| Predecessor Tubes |
400
|
|
| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
2 Sidecontacts
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel, (AC/DC) /
If: 1.35 Ampere /
Vf 3 Volts /
|
| Description |
see Radio College of Canada, Sparton Tube Characteristics.
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49 NOT CORRECT !
Babani, International Radio Tube Encyclopaedia
|
|
|
|
 |
|
O.F.
Otto Frosinn
|
|
KoBi
Konrad Birkner
|
|
 |