Antique radios, Old Time Radios
3D21WA
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Country:
United States of America (USA)
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| Identical to |
3D21WA
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935
Top contact with a cap.
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| Was used by |
Military and/or Government |
| Filament |
Vf 12.6 Volts / If 0.85 Ampere / Indirect / Specified voltage AND current AC/DC |
| Description |
Pulse beam power tetrode
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Dimensions (WHD)
incl. pins / tip |
x 119 x 38 mm / x 4.69 x 1.50 inch |
| Weight |
113 g / 3.99 oz |
| Information source |
-- Collector info (Sammler)
Tube Lore (II) p. 86
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3D21WA: Fin Stewart
Fin Stewart
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Just Qvigstad
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