 |
| Identical to |
ECH171
|
| Similar
Tubes |
ECH11 (Other base and other base diagram)
UCH171 (Heater different)
|
| First Source
(s) |
Apr.1951 : Funk-Technik (FT) # 7
Jan.1951 : Funkschau (FS) # 1
|
| Predecessor Tubes |
ECH11
|
| Successor Tubes |
1952
ECH81
|
|
| 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-poliger Sockel nur als Prototyp
Text in other
languages (may
differ)
|
| Literature |
|
|
|
|
|
|
J.D.
Jens Dehne
|
|
Funke, W18 Karte
Wolfgang Eckardt
|
|
|
