| Country: |
United States of America (USA) |
|
Brand: |
Common type USA |
| |
Tube type: |
Screen-grid Tetrode |
|
Tube ID = 3905
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 |
| Identical to |
1B4
|
|
| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bu)
|
| Filament |
If: 0.06 Ampere /
Vf 2 Volts /
|
| Tube prices |
0 Tube prices (visible for members
only)
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
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D. Bénito
Raynal Aufils
|
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Telefunken Werkstattbuch
Wolfgang Bauer
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Grundig Rö-Tabu, zum M1, Band 3, 1948
Anonymous 15 Collector
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