Radio Antica e Radio d'epoca
4618_WLS
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Stato:
USA (Stati Uniti d'America)
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| Identico a |
4618_WLS
= WLS510
= CX310
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| Valvole
simili |
Sostituita normalmente - piccola diff.:
L10
; UX210
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| Zoccolo |
UX-Base (4 Pins (2 thick, USA 1924)
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| Utilizzata per |
Transmittertube (Radio) |
| Filamento |
Vf 7.5 Volt / If 1.25 Ampere / Direct / Specified voltage AC/DC |
| Descrizione |
Page 711 of the Spring 1929 Sears Roebuck catalog announces a new tube - the 4618_WLS which is equivalent to the UX210 low power transmitting tube. The company tube was made by one of the small manufacturers used by Sears Roebuck and an example seen has the "WLS" (Worlds Largest Store) hot branded on the base. The Fall 1929 catalog has an entirely new catalog numberr and the 4618_WLS became the 57T210.
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Dimensioni
(LxAxP)
incl.pins/tip |
x 137 x 54 mm / x 5.39 x 2.13 inch |
| Peso |
59 g / 2.08 oz |
| Bibliografia |
Tube Lore (I) page 16.
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4618_WLS: Fin Stewart
Fin Stewart
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Just Qvigstad
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[rmxtube-en]
| Conformità dei dati |
Ulteriori informazioni |
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