1H5GT, Tube 1H5GT; Röhre 1H5GT (1H5GT)

Antique radios, Old Time Radios

1H5GT

Country:	United States of America (USA)		Brand:	Common type USA
			Tube type:	Diode-Triode

Tube ID = 2944


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Identical to	1H5GT = 1H5 = VT-223
Similar Tubes	1H5G (other shape (e.g. bulb, size)) 1LH4 (other base and data slightly different)
First Source (s)	26.Apr.1939 : Electron Tube Registration List

Base	Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Up)
Was used by	Radio/TV-reception etc.
Filament	-: Direct / -: Battery = / If: 0.05 Ampere / Vf 1.4 Volts /
Description	Glass octal type used as combined detector and amplifier in battery-operated receivers. Filament 1.4 volts, 0.05 amperes. Characteristics of triode unit as class A amplifier. Diode is located at negative end of filament. Is there really a 1H5G and a 1H5 (metal)?
Tube prices	0 Tube prices (visible for members only)
Literature	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49

KoBi
Konrad Birkner

RCA Reference Book 1968
Michael Schlör

Sylvania Technical Manual
Peter Hoddow

Usage in Models

3= 1938 ; 2= 1939?? ; 6= 1939? ; 26= 1939 ; 14= 1940?? ; 17= 1940? ; 65= 1940 ; 30= 1941?? ; 15= 1941? ; 58= 1941 ; 22= 1942?? ; 24= 1942 ; 2= 1945? ; 2= 1945 ; 19= 1946?? ; 10= 1946? ; 38= 1946 ; 24= 1947?? ; 6= 1947? ; 28= 1947 ; 6= 1948?? ; 14= 1948 ; 6= 1949?? ; 2= 1949 ; 5= 1950?? ; 2= 1951?? ; 1= 1951 ; 10= 1952?? ; 2= 1952 ; 3= 1954?? ; 1= 1955?? ; 2= 9999 ;

Number of Models with this tube 465

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1H5GT

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