Antique radios, Old Time Radios
VH40
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Country:
Netherlands
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| Identical to |
VH40
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| First year |
1928
Saga of the Vacuum Tube, Tyne page 426
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| Production stop |
09.May.1930 |
| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 0.05 Ampere / Direct / Battery = |
| Description |
gm=0.4mA/V Ra=100k, G=40. HF amplification.
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| Information source |
Radio-Expres, Netherlands
- - Manufacturers Literature 1928
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VH40
Peter den Boer
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Just Qvigstad
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VH40: own collection
Peter den Boer
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Collection of
Collection of a member from D |
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