Antique radios, Old Time Radios
21TE31
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Country:
Czechoslovakia
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| Identical to |
21TE31
= 2D21
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| Base |
Miniatur-7-Pin-Base B7G, USA 1940
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| Filament |
Vf 6.3 Volts / If 0.6 Ampere / Indirect / Specified voltage AC/DC |
Dimensions (WHD)
incl. pins / tip |
19 x 57 x mm / 0.75 x 2.24 x inch |
| Information source |
- - Manufacturers Literature
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21TE31: ARRL Handbook 1972
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):1
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