Antique radios, Old Time Radios
SG2_362
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Country:
Great Britain (UK)
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| Identical to |
SG2_362
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| Similar
Tubes |
Heater different:
SG6_362
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| First year |
1933
?
British Radio Valves - The Classic Years: 1926-1946 page 213
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
Top contact screw type.
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| Filament |
Vf 2 Volts / If 0.2 Ampere / Direct / Battery = |
| Description |
This SG2 differs from the Clarion SG2 (SG2_Clarion) in characteristics and filament current.
In 1933 the screen voltage for 4mA anode current and a gm of 4mA/V is stated as 75. In 1934 it is 60 for the same anode current and gain.
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| Information source |
Wireless World (The), London (WW, 79) Nov 1933 and 1934
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Just Qvigstad
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Collection of
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