 |
| Identical to |
ACH1n
|
| Similar
Tubes |
ECH4 (Heater different)
|
|
| Base |
Europe side contact base P (P8A)
Top contact with a cap
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel, (AC/DC) /
If: 0.6 Ampere /
Vf 4 Volts /
|
| Description |
This is an ECH4, fitted with a 4 volt- heater as a rather makeshift replacement for the ACH1. It requires alterations of wiring and anode and screen resistors.
Text in other
languages (may
differ)
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
|
|
|
Sammlung Bayer
Klaus Bayer
|
|
RTT 1974 (Franzis) 13. Auflage
Martin Renz
|
|
Tesla catalogue
Gabriel Toth
|
|
|
