Antique radios, Old Time Radios

CK3

Country:	Europe	Brand:	Common type Europe tube
		Developer:	Philips; Eindhoven (tubes international!); Netherlands
		Tube type:	OCTODE Frequency converter Controlling (mu)

Tube ID = 2476

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Identical to	CK3
Similar Tubes	Heater different: EK3
First year	Apr.1938 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)	Apr.1938 : Daten und Schaltungen moderner ... Röhren; Philips # 2
Predecessor Tubes	CK1 EK2
Successor Tubes	1940 UCH4 UCH21

Base	Europe side contact base P (P8A) (Codex=Seo) Top contact with a cap
Filament	Vf 19 Volts / If: 0.2 Ampere / -: Indirect / -: Series, AC/DC /
Literature	Taschenbuch zum Röhren-Codex 1948/49


	CK3: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus †

CK3: Collection TL
Thomas Lebeth

CK3: Telefunken Werkstattbuch
Wolfgang Bauer

CK3: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

Usage in Models	8= 1938 ; 8= 1939 ; 2= 1940
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 18

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