| Identical to |
E442 = NC4 = H4100D = RS4142 = TM-C-EC
|
| Similar
Tubes |
Normally replaceable-slightly different: A4GAF; AS494; DW6; J4091; MS4; S412N; S4150; S430N; TE42 Other base: E442_4pin
|
| First Series |
1928 Tube leaflet collection E.Erb Analysis by original leaflets |
| First Source
(s) |
Aug.1928 : -- Original-techn. papers.
1928 : Saga of the Vacuumtube, Tyne p.422
|
|
| Base |
Europe 5-Pin (O5A, B5) (Codex=Fc)
Top contact screw type
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If: 1 Ampere / -: Indirect / -: Parallel, (AC/DC) / |
| Description |
Siehe die Unterschiede zur E442S (Kolben und elektrische Daten) - und auch die 4-Stift-Ausführung der E442.
Text in other
languages (may
differ)
|
| Tube prices |
1 Tube prices (visible for members
only)
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|