Antique radios, Old Time Radios
420A
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Country:
United States of America (USA)
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Brand:
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| Tube type: |
Triode, vacuum Power/Output |
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| Identical to |
420A
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| Similar
Tubes |
Normally replaceable-slightly different:
420
; A303
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| First Source
(s) |
Aug.1930 : Philips Bulletin R1164, p. 32
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 3 Volts / If 0.1 Ampere / Direct / Battery = |
Dimensions (WHD)
incl. pins / tip |
x 25 x mm / x 0.98 x inch |
| Tube prices |
1 Tube prices (visible for members
only)
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
-- Collector info (Sammler)
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420A: Fin Stewart
Fin Stewart
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Just Qvigstad
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