 |
| Identical to |
KF7
|
| Similar
Tubes |
KF4 (different connections)
|
| First Series |
1935 Tube leaflet collection E.Erb Analysis by original leaflets (V7) |
| First Source
(s) |
Jul.1935 : Die Sendung # 7
May.1935 : TR3505-189
|
| Successor Tubes |
1936
KF4
|
|
| Base |
Europe side contact base P (P8A) (Codex=Sqo)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Direct /
-: Battery = /
If: 0.05 Ampere /
Vf 2 Volts /
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
|
|
|
Andreas Blohm
|
|
JR
Jacob Roschy
|
|
RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
|
|
|
