Antique radios, Old Time Radios

AK1

Country:	Europe	Brand:	Common type Europe
		Developer:	Philips; - Eindhoven; Netherlands
		Tube type:	OCTODE Frequency converter Controlling (mu)

Tube ID = 559


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Identical to	AK1 = TK1 = MO465 = WE21
Similar Tubes	Normally replaceable-slightly different: A4GDR; NMO46 Heater different: BK1 Other base: AK1_US-7pin; AK2; FC4
First Series	Mar.1934 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)	Mar.1934 : Philips Bulletin #D13 Feb.1934 : Toute la radio # 1
Predecessor Tubes	RENS1224 E448 X4122
Successor Tubes	AK2

Base	Europe 7-Pin (C7A, C, 1933) (Codex=Leo) Top contact with a cap
Was used by	Radio/TV-reception etc.
Filament	Vf 4 Volts / If: 0.65 Ampere / -: Indirect /
Tube prices	1 Tube prices (visible for members only)
Literature	Taschenbuch zum Röhren-Codex 1948/49 Design = Philips


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

Collection JR
Jacob Roschy

RTT 1974 (Franzis) 13. Auflage
Martin Renz

RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

Usage in Models (calculation each 25th of the month)	2= 1934?? ; 11= 1934? ; 158= 1934 ; 1= 1935?? ; 10= 1935? ; 104= 1935 ; 1= 1936?? ; 1= 1936? ; 24= 1936 ; 5= 1937 ; 1= 1938?? ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 318

No further Information for

AK1

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