Antique radios, Old Time Radios
E4N
|
Country:
France
|
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| Identical to |
E4N
|
| Similar
Tubes |
Other characteristic (electr. data):
E4M
|
| First year |
1921
?
-- Collector info (Sammler) grobe Schätzung
|
| First Source
(s) |
Feb.1927 : -- Original-techn. papers. Catalogue "T.S.F. Émission et Kenotrons"
|
| Predecessor Tubes |
E4
|
| Base |
2 Top contacts.
|
| Filament |
Vf 5.8 Volts / If 2.5 Ampere / Direct |
| Description |
Grid and plate of nickel
Text in other
languages (may
differ)
|
Dimensions (WHD)
incl. pins / tip |
80 x 170 x mm / 3.15 x 6.69 x inch |
| Information source |
- - Manufacturers Literature
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E4N: own collection
Peter den Boer † 2025
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