Antique radios, Old Time Radios
CG-890
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Country:
United States of America (USA)
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| Identical to |
CG-890
= G_Pliotron
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| Similar
Tubes |
Normally replaceable-slightly different:
VT-13
Other base:
CG-886
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| First year |
1918
??
Saga of the Vacuum Tube, Tyne Seite 148
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| Predecessor Tubes |
VT-11
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| Base |
UV-Base (4 Pins+Bayonet, USA 1914 WE)
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| Was used by |
Military and/or Government |
| Filament |
Vf 3.3 Volts / If 1.1 Ampere / Direct / Battery = |
| Description |
When first developed for the US Navy this tube had the old style Navy standard 3 pin base and was known as the CG886. Later the base was changed to the UV type base and given the CG890 type number. The tube was very useful in radio frequency amplifiers In transmitting, if an anode voltage of 750 was applied, The tube was capable of 10 watts output.
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Dimensions (WHD)
incl. pins / tip |
x 105 x 45 mm / x 4.13 x 1.77 inch |
| Tube prices |
1 Tube prices (visible for members
only)
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| Information source |
Saga of the Vacuum Tube, Tyne Pages 148 & 149
Tube Lore (II) p. 181
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CG-890: Fin Stewart
Fin Stewart
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Just Qvigstad
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Collection of
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