Antique radios, Old Time Radios
HLA1
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Country:
Great Britain (UK)
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| Identical to |
HLA1
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| First year |
Aug.1932
- - Data from my own collection
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| First Source
(s) |
Aug.1932 : Wireless World (The), London (WW, 79) p168
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| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Micromesh Tube. High slope detector gm 8mA/V In the books History of the British Radio Valve to 1940, Thrower and the book 70 Years 0r Radio Tubes and Valves, Stokes, is a slope listed of 12 mA/V.
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Dimensions (WHD)
incl. pins / tip |
56 x 110 x 34 mm / 2.20 x 4.33 x 1.34 inch |
| Weight |
56 g / 1.98 oz |
| Information source |
British Radio Valves - The Classic Years: 1926-1946 Supplement, p. 66
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HLA1: rtt
Anonymous 10 Collector
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Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4
Collection of
Collection of a member from GB |
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