Radio Antica e Radio d'epoca
CK501X
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Stato:
USA (Stati Uniti d'America)
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| Identico a |
CK501X
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| Prime
informazioni |
1939 : The Portable Radio in American Life p.162
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| Filamento |
Vf 1.2 Volt / If 0.03 Ampere / Direct / Battery = |
| Descrizione |
First Subminiature tube in USA.
Earing aid pentode, about March 1940. CK501, no suffix, was fitted with a 5 pin peanut base.
Other source: Developed in 1939 it was immediately used in numerous Hearing Aids. Ruggedized varieties came into use for proximity fuses (AAA). In 1945 subminiature tubes found application in the first vest pocket superhet Belmont Boulevard 5P113.
Testo in altre lingue
(può variare)
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| Bibliografia |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature
Tube Lore (I)
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CK501X: KoBi
Konrad Birkner † 12.08.2014
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Numero
totale di modelli di Radiomuseum.org che
utilizzano questa valvola:1
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Discussioni nel forum su questo valvole
CK501X
Argomenti: 2 | Articoli: 2
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Visite: 2062 Risposte: 0
CK501X (CK501X) Subminiature tube
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Konrad Birkner † 12.08.2014
13.Sep.07
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1
Developed in 1939 it was immediately used in numerous Hearing Aids.
Ruggedized varieties came into use for proximity fuses (AAA).
In 1945 subminiature tubes found application in the first vest pocket superhet Belmont Boulevard 5P113.
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Visite: 2131 Risposte: 0
CK501X (CK501X) Subminiaturröhre
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Konrad Birkner † 12.08.2014
13.Sep.07
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1
1939 entwickelt und zunächst in vielen Hörhilfen eingesetzt, wurde sie weiter entwickelt und ab Ende 1942 für Näherungszünder (Flak) eingesetzt.
1945 erstmals Verwendung von Subminiaturröhren für ein Westentaschenradio, Belmont Boulevard 5P113, ein Superhet.
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CK501X
Fine delle discussioni nel forum su questo valvole
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