 |
| Identical to |
ECH33
= X147
= 6C31
= OM10
|
| Similar
Tubes |
ECH3 (other base)
ECH35 (Heater different)
6E8G (Multiple differences or of other kind)
|
| First Series |
1942 -- Collector info (Sammler) |
|
| Base |
Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ua)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel / series AC/DC /
If: 0.2 Ampere /
Vf 6.3 Volts /
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
| |
|
| |
Internet
Miguel Angel Trujillo-Rodriguez
|
|
|
|
Collection JR
Jacob Roschy
|
|
W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe
|
|
|
