Antique radios, Old Time Radios
HK5
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Country:
United States of America (USA)
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| Identical to |
HK5
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Direct / Specified voltage AC/DC |
| Description |
This gridless GAMMATRON was developed so as not to infringe with the Lee de Forest patent (owner RCA) on the control grid. Instead, the plate close to the filament has influence on the electron flow towards the other plate (anode). Aluminium UX base
Text in other
languages (may
differ)
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Dimensions (WHD)
incl. pins / tip |
x 108 x 45 mm / x 4.25 x 1.77 inch |
| Weight |
47 g / 1.66 oz |
| Information source |
The AWA Journal volume 10
Tube Lore (II) p. 217
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HK5: Fin Stewart
Fin Stewart
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Just Qvigstad
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