ECH 41, Tube ECH41; Röhre ECH 41 (ECH41)

Antique radios, Old Time Radios

ECH41

Country:	Europe		Brand:	Common type Europe
			Tube type:	Triode-Hexode Frequency converter Controlling (mu)

Tube ID = 2494


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Identical to	ECH41 = CF61
Similar Tubes	ECH42 (other characteristic (electr. data))
First Series	1947 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)	Dec.1947 : Funk-Technik (FT) # 24 Mar.1947 : Daten und Schaltungen moderner ... Röhren; Philips # 3a
Predecessor Tubes	ECH21 ECH4
Successor Tubes	1948 ECH42

Base	Rimlock base B8A (Codex=W)
Was used by	Radio/TV-reception etc.
Filament	-: Indirect / -: Parallel, (AC/DC) / If: 0.22 Ampere / Vf 6.3 Volts /
Description	Osz.-/Mischröhre bis 30MHz, Osz.Spannung zw. 7 und 10 Veff, Schirmgitter-Spannungsteiler kann gleichzeitig auch für das Schirmgitter der EAF42 oder EF41 verwendet werden, Text in other languages (may differ)
Dimensions (WHD)	22 x 66 x 22 mm / 0.87 x 2.60 x 0.87 inch
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

JR
Jacob Roschy

RTT Schwandt
Günther Stabe

SEL Handbuch 1964
Peter Hoddow

Usage in Models	3= 1947?? ; 2= 1947 ; 2= 1948?? ; 5= 1948 ; 3= 1949?? ; 32= 1949 ; 20= 1950?? ; 5= 1950? ; 21= 1950 ; 3= 1951?? ; 5= 1951? ; 23= 1951 ; 2= 1952? ; 7= 1952 ; 3= 1953?? ; 2= 1953? ; 1= 1953 ; 1= 1954?? ; 1= 1955?? ; 1= 1955? ; 4= 1958?? ; 3= 1958 ; 1= 1960?? ;
Number of Models with this tube 150

No further Information for

ECH41

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