 |
| Identical to |
4Y25
|
| Similar
Tubes |
807 (can normally be replaced - small diff'ce)
|
|
| Was used by |
Transmittertube (Radio) |
| Filament |
-: Indirect /
-: Parallel, (AC/DC) /
If: 0.9 Ampere /
Vf 6.3 Volts /
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
| |
|
| |
Internet
Miguel Angel Trujillo-Rodriguez
|
|
 |
|
collection JR
Jacob Roschy
|
|
ARRL Handbook 1972
Michael Schlör
|
|
 |