Antique radios, Old Time Radios

14R7

Country:	United States of America (USA)		Brand:	Common type USA
			Tube type:	Double Diode-Pentode RF/IF-Stage Controlling (mu)

Tube ID = 2956


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Identical to	14R7
Similar Tubes	Heater different: 7R7
First Source (s)	07.Mar.1941 : Electron Tube Registration List
Predecessor Tubes	14E7 12C8GT 12C8
Successor Tubes	6DC8

Base	Loctal-8, B8G (Sylvania, 1938) (Codex=Wb)
Was used by	Radio/TV-reception etc.
Filament	Vf 12.6 Volts / If: 0.15 Ampere / -: Indirect / -: Parallel / series AC/DC /
Tube prices	1 Tube prices (visible for members only)
Literature	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49


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

scc
Christian Schaufelberger

Telefunken Werkstattbuch
Wolfgang Bauer

Sylvania Technical Manual
Peter Hoddow

Usage in Models (calculation each 25th of the month)	2= 1941? ; 4= 1941 ; 2= 1942?? ; 13= 1942 ; 1= 1946?? ; 5= 1946 ; 2= 1947 ; 1= 1949?? ; 1= 1952 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 31

No further Information for

14R7

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