Antique radios, Old Time Radios
4Y25A1
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Country:
France
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| Identical to |
4Y25A1
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| Base |
UY-Base, 5 Pins (USA, April 1927)
Top contact with a cap.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 6.3 Volts / If 1.2 Ampere / Indirect / Specified voltage AC/DC |
Dimensions (WHD)
incl. pins / tip |
x 147 x 53 mm / x 5.79 x 2.09 inch |
| Weight |
67 g / 2.36 oz |
| Information source |
Babani, International Radio Tube Encyclopaedia
Universal Vade-Mecum, Electron Valves and Semiconductor Devices Section 429, p. 948 & 949
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4Y25A1: Fin Stewart
Fin Stewart
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Just Qvigstad
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4Y25A1: Babani 1949-1951
Patrice Zeissloff
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