Antique radios, Old Time Radios

12K8

Country:	United States of America (USA)		Brand:	Common type USA
			Tube type:	Triode-Hexode Frequency converter Controlling (mu)

Tube ID = 2632


	previous \| next

Identical to	12K8
Similar Tubes	Other shape (e.g. bulb type): 12K8GT Other class quality (otherwise equal): 12K8Y Heater different: 6K8
First Source (s)	16.Oct.1939 : Electron Tube Registration List
Predecessor Tubes	12A8G
Successor Tubes	12SA7 14S7

Base	Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ue)
Was used by	Radio/TV-reception etc.
Filament	Vf 12.6 Volts / If: 0.15 Ampere / -: Indirect / -: Parallel / series AC/DC /
Tube prices	0 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

collection JR
Jacob Roschy

Lorenz Empfänger-Röhren , 9. Auflage
Michael Sigmund

Original GENERAL ELECTRIC
Josef Pilz

Usage in Models (calculation each 25th of the month)	2= 1939 ; 2= 1940 ; 1= 1941?? ; 1= 1941? ; 2= 1941 ; 1= 1942?? ; 1= 1942? ; 1= 1943?? ; 1= 1944 ; 1= 1945? ; 1= 1945 ; 1= 1946? ; 1= 1947?? ; 2= 1947 ; 3= 1948?? ; 2= 1949 ; 4= 1950?? ; 3= 1950? ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 30

No further Information for

12K8

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]