 |
| Identical to |
H4080D
= RENS1204
= E442S
= S410N
|
| First Series |
1929 Tube leaflet collection E.Erb Analysis by original leaflets |
|
| Base |
Europe 5-Pin (O5A, B5) (Codex=Fc)
|
| Filament |
If: 1 Ampere /
Vf 4 Volts /
|
| Tube prices |
1 Tube prices (visible for members
only)
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
| |
|
| |
Walter Wiesmüller
Egon Strampe
|
|
|
|
collection JR
Jacob Roschy
|
|
Telefunken Werkstattbuch
Wolfgang Bauer
|
|
Valvo-Röhren-Daten 1934
Jacob Roschy
|
|
|
