 |
| Identical to |
E415_4pin
|
| Similar
Tubes |
E415 (other base)
|
| First Source
(s) |
1928 : Saga of the Vacuumtube, Tyne p.422
|
|
| Base |
Europe 4-Pin (A, 4A, B4, since 1914)
Sidecontact
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel, (AC/DC) /
If: 1 Ampere /
Vf 4 Volts /
|
| Description |
there is also a 5pin version
|
| Literature |
- - -
- - -
- - -
- - -
|
|
|
|
 |
|
Philips E415, 1928
John Hupse
|
|
 |