| Country: |
United States of America (USA) |
|
Brand: |
DeForest-Tubes |
| |
Tube type: |
Triode, vacuum Universal |
| |
late but very rare |
|
Tube ID = 22377
|
 |
| Identical to |
D401A
= 01A
= UX201A
= CX301A
= UX-201-A
|
| First Source
(s) |
1930 : Saga of the Vacuumtube, Tyne
|
|
| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Direct /
-: Battery = /
If: 0.25 Ampere /
Vf 5 Volts /
|
| Literature |
Saga of the Vacuumtube, Tyne
- - -
- - -
- - -
|
|
|
|
|
|
A.Vonarburg
Konrad Birkner
|
|
KoBi
Konrad Birkner
|
|
|
