EF 12K, Tube EF12K; Röhre EF 12K (EF12K)

Antique radios, Old Time Radios

EF12K

Country:	Germany		Brand:	Telefunken Deutschland (TFK)
			Tube type:	PENTODE Audio Frequency

Tube ID = 2120


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Identical to	EF12K
Similar Tubes	EF12 (other class quality (otherw. equal)) KL70716 (can normally be replaced - small diff'ce)

Base	German Steel Y8A, 1938
Was used by	Radio/TV-reception etc.
Filament	-: Indirect / -: Parallel / series AC/DC / If: 0.2 Ampere / Vf 6.3 Volts /
Description	Low microphonic version of the EF12. Text in other languages (may differ)
Tube prices	0 Tube prices (visible for members only)


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

collection JR
Jacob Roschy

Variants

RTT 1974 (Franzis) 13. Auflage
Martin Renz

Usage in Models	2= 1939? ; 2= 1947 ; 2= 1948? ; 2= 1948 ; 2= 1949 ; 4= 1950?? ; 4= 1950 ; 1= 1951?? ; 8= 1951 ; 1= 1952?? ; 7= 1952 ; 2= 1953? ; 3= 1953 ; 1= 1954? ; 3= 1954 ; 1= 1956?? ; 1= 1956 ;
Number of Models with this tube 46

Variants
O.F. Otto Frosinn	EF12K*DDR-glas Glaskolben auf Bakelitsockel 29.Oct.2007 Otto Frosinn

No further Information for

EF12K

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Variants

EF12K*DDR-glas

EF12K