 |
| Identical to |
CCH2
|
| Similar
Tubes |
ECH2 (Heater different)
|
| First Source
(s) |
Jun.1938 : Philips Bulletin
|
| Predecessor Tubes |
CK1
EK2
|
| Successor Tubes |
1939
UCH4
UCH21
ECH3
|
|
| Base |
Europe side contact base P (P8A) (Codex=Sao)
Top contact with a cap
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Series, AC/DC /
If: 0.2 Ampere /
Vf 29 Volts /
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
| |
|
| |
ficha de valvulas
Getulio Jimenez-Gomez
|
|
|
|
M.F.
Manfred Fries
|
|
Telefunken Werkstattbuch
Wolfgang Bauer
|
|
Funkschau Taschenbuch 1948
Michael Schlör
|
|
|
