| |
|
|
|
|
| |
Tube type: |
Triode-Heptode |
|
Tube ID = 19278
|
 |
| Identical to |
ECH4G
= ECH34
|
| Similar
Tubes |
ECH4 (other base)
ECH21 (other base)
ECH4A (Multiple differences or of other kind)
|
|
| Base |
Octal (Int.Octal, IO) K8A, USA 1935
Top contact with a cap
|
| Filament |
-: Indirect /
-: Parallel, (AC/DC) /
If: 0.35 Ampere /
Vf 6.3 Volts /
|
|
|
|
 |
|
schematic diagram
Jacob Roschy
|
|
Lorenz Empfänger-Röhren , 9. Auflage
Michael Sigmund
|
|
 |