Antique radios, Old Time Radios

ECH3

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

Tube ID = 274


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Identical to	ECH3
Similar Tubes	Different connections: E1R Other base: ECH33; X147 Other base and data slightly different: ECH11; OM10 Multiple differences or of other kind: 6E8G; 6E8MG
First Series	Feb.1939 Tube leaflet collection E.Erb Philips Book II [178]
First Source (s)	Feb.1939 : Daten und Schaltungen moderner ... Röhren; Philips Jul.1939 : Histoire de la lampe de radio
Predecessor Tubes	ECH2 EK2 ACH1 21TH8 TACH1 ACH1_Tungsram CCH2
Successor Tubes	1940 ECH4 ECH21 ECH42 ECH21_9pin

Base	Europe side contact base P (P8A) (Codex=Sa) Top contact with a cap
Was used by	Radio/TV-reception etc.
Filament	Vf 6.3 Volts / If: 0.2 Ampere / -: Indirect / -: Parallel / series AC/DC /
Tube prices	0 Tube prices (visible for members only)
Literature	Taschenbuch zum Röhren-Codex 1948/49


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

Collection JR
Jacob Roschy

Telefunken Werkstattbuch
Wolfgang Bauer

RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

Usage in Models (calculation each 25th of the month)

1= 1938?? ; 1= 1938 ; 17= 1939?? ; 34= 1939? ; 194= 1939 ; 29= 1940?? ; 28= 1940? ; 193= 1940 ; 6= 1941?? ; 7= 1941? ; 143= 1941 ; 2= 1942?? ; 8= 1942? ; 78= 1942 ; 3= 1943?? ; 1= 1943? ; 38= 1943 ; 2= 1944?? ; 5= 1944? ; 34= 1944 ; 16= 1945?? ; 11= 1945? ; 45= 1945 ; 1= 1946?? ; 26= 1946 ; 3= 1947?? ; 3= 1947? ; 41= 1947 ; 7= 1948?? ; 8= 1948? ; 35= 1948 ; 5= 1949?? ; 8= 1949? ; 23= 1949 ; 9= 1950?? ; 2= 1950? ;

Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 1103

Further Information for

ECH3

ECH3 (ECH3) (06.01.2006) Konrad Birkner	Clicks: 695 Replies: 0
Siehe auch EK2 Ersatz durch ECH3

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