Antique radios, Old Time Radios
VH300
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Country:
Netherlands
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| Identical to |
VH300
|
| Similar
Tubes |
Normally replaceable-slightly different:
A442
|
| First Source
(s) |
1928 : Saga of the Vacuum Tube, Tyne p.426
|
| Production stop |
09.May.1930 |
| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Er)
Top contact screw type.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 0.08 Ampere / Direct / Battery = |
| Description |
Radio-Expres, 1929 give If=0.08A. gm=0.8mA/V at Va=150 Ra=370k.
|
Dimensions (WHD)
incl. pins / tip |
43 x 133 x 31 mm / 1.69 x 5.24 x 1.22 inch |
| Weight |
55 g / 1.94 oz |
| Information source |
- - Manufacturers Literature 1928
Radio-Expres, Netherlands
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
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VH300: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad
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VH300: own collection
Peter den Boer
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
Collection of
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