| Country: |
United States of America (USA) |
|
Brand: |
Common type USA |
| |
Tube type: |
Screen-grid Tetrode |
|
Tube ID = 12725
|
 |
| Identical to |
EY624
|
| Similar
Tubes |
24A (can normally be replaced - small diff'ce)
|
|
| Base |
UY-Base, 5 Pins (USA, April 1927) (Codex=Ha)
|
| Filament |
-: Indirect /
-: Series, AC/DC /
If: 1.75 Ampere /
Vf 2.5 Volts /
|
| Description |
Schirmgitter: 90V und 1,7 mA; S = 1,05 mA/V; Ri= 600 kOhm
Text in other
languages (may
differ)
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49 Universal Vademecum 1960
|
|
|
|
|
|
W.E.
Wolfgang Eckardt
|
|
ARRL Handbook 1972
Michael Schlör
|
|
|
