Antique radios, Old Time Radios

12SA7GT

ID = 2635

Country:

United States of America (USA)

Brand:	Common type USA tube/semicond. Common type USA tube/semicond. Adzam (tubes made by MBLE, Belgium) TEN (brand), Kobe Kogyo Corporation; Kobe Toshiba Corporation; Tokyo Philips Argentina, FAPESA, Miniwatt tubes; Buenos Aires Hytron; Salem (MA) Raytheon Mfg. Co.; Cambridge, MA Sylvania (Hygrade, GTE, Nilco); Emporium (PA) Truetone (tube brand)
Developer:	Tung-Sol Electric Inc.; Newark (NJ)
Tube type:	Pentagrid-Converter (Heptode) Pentagrid (new) Controlling (mu)

Identical to

12SA7GT = CV538 = 12SA7GT/G

Similar Tubes

Other shape (e.g. bulb type):

12SA7 ; 12SA7G

Normally replaceable-slightly different:

12A7P

Other class quality (otherwise equal):

12SA7GTY

Different maximum ratings:

12SY7GT

Heater different:

6SA7GT

First Source (s)

17.Mar.1939 : Electron Tube Registration List

Predecessor Tubes

12A8G 12A8GT

Base

Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Udo)

Was used by

Radio/TV-reception etc.

Filament

Vf 12.6 Volts / If 0.15 Ampere / Indirect / Specified voltage AND current AC/DC

Tube prices

2 Tube prices (visible for members only)

Information source

Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49

12SA7GT: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus †
12SA7GT: RTT Schwandt Günther Stabe † 19.8.20 More ...	Just Qvigstad	12SA7GT: Tung Sol, 1948 Günter Kudicke More ...

Usage in Models

3= 1938 ; 6= 1939? ; 52= 1939 ; 48= 1940?? ; 26= 1940? ; 81= 1940 ; 12= 1941?? ; 26= 1941? ; 62= 1941 ; 10= 1942?? ; 27= 1942? ; 13= 1942 ; 1= 1943 ; 1= 1944?? ; 1= 1944 ; 1= 1945?? ; 6= 1945? ; 10= 1945 ; 9= 1946?? ; 43= 1946? ; 131= 1946 ; 31= 1947?? ; 22= 1947? ; 83= 1947 ; 4= 1948?? ; 14= 1948? ; 33= 1948 ; 9= 1949?? ; 4= 1949? ; 23= 1949 ; 27= 1950?? ; 5= 1950? ; 7= 1950 ; 14= 1951?? ; 6= 1951? ; 1= 1951 ; 3= 1952?? ; 3= 1952? ; 5= 1952 ; 1= 1953? ; 2= 1954? ; 2= 1955?? ; 1= 1956?? ; 1= 1956? ; 1= 1956 ; 1= 1957 ; 2= 1960?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):874

Collection of

12SA7GT

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12SA7GT

Common type USA tube/semicond.

Collection of