| Country: |
United States of America (USA) |
|
Brand: |
Common type USA |
| |
Tube type: |
PENTODE Controlling (mu) |
|
Tube ID = 9577
|
 |
| Identical to |
12B7ML
= 12B7
|
|
| Base |
Loctal-8, B8G (Sylvania, 1938) (Codex=W)
|
| Filament |
If: 0.15 Ampere /
Vf 13 Volts /
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
|
 |
|
ARRL Handbook 1972
Michael Schlör
|
|
 |