 |
| Identical to |
EF172
|
| Similar
Tubes |
EF12 (other base)
UF172 (Heater different)
|
| First Source
(s) |
Jan.1951 : Funkschau (FS) # 1
|
| Predecessor Tubes |
EF12
|
|
| Base |
GNOM 11-pin (DDR)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel, (AC/DC) /
If: 0.32 Ampere /
Vf 6.3 Volts /
|
| Description |
8-pol. Sockel nur als Prototyp
Text in other
languages (may
differ)
|
| Tube prices |
1 Tube prices (visible for members
only)
|
| Literature |
|
|
|
|
|
|
E.K.
Anonymous 225 Collector
|
|
Lorenz Empfänger-Röhren , 9. Auflage
Michael Sigmund
|
|
Lorenz Empfänger-Röhren , 9. Auflage
Michael Sigmund
|
|
|
