Antique radios, Old Time Radios
QS70/20
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Country:
Great Britain (UK)
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| Identical to |
QS70/20
= STV70/20
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| Base |
Miniatur-7-Pin-Base B7G, USA 1940
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| Filament |
--/-- |
| Description |
Voltage stabiliser.
70 V out voltage at 20 mA current flow
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QS70/20: Manufacturer's Literature
Emilio Ciardiello
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Just Qvigstad
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QS70/20: own collection
Peter den Boer † 2025
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