Antique radios, Old Time Radios
W20_Ballast
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Country:
Netherlands
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Brand:
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| Tube type: |
Current Regulator, Iron in Hydrogen Power-supply |
| |
Ca. 1925 up to 1945 rare. |
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| Identical to |
W20_Ballast
|
| Similar
Tubes |
Normally replaceable-slightly different:
452
; R105
|
| Base |
Europe 3-Pin B3 (Eu H)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
|
| Description |
I quer 1 System/A = 0.15 Umax V = 20
Auch von Philips und Tungsram erhältlich.
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Dimensions (WHD)
incl. pins / tip |
45 x 98 x 32 mm / 1.77 x 3.86 x 1.26 inch |
| Weight |
34 g / 1.20 oz |
| Information source |
Ballast Tube Handbook, The
Röhren-Vademecum; P.H. Brans; Antwerpen p. 97
- - Manufacturers Literature
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
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W20_Ballast: Tabu Röhren-Codex, 1948
Anonymous 15 Collector
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Just Qvigstad
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W20_Ballast: own collection
Peter den Boer
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Collection of
Collection of a member from D Collection of a member from D |
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