Antique radios, Old Time Radios

6K7G

ID = 2700

Country:

United States of America (USA)

Brand:	Common type USA tube/semicond.
Developer:	Arcturus Radio Tube Co.; Newark, NJ
Tube type:	Vacuum Pentode RF/IF-Stage Controlling (mu)

Identical to

6K7G = VT-86A = CV1941 = W63 = ZA5699 = 10E/558

Similar Tubes

Other shape (e.g. bulb type):

6K7 ; 6K7GT ; 6K7MG ; PF9

Normally replaceable-slightly different:

6K7EG ; 6K7M ; 88M

Other class quality (otherwise equal):

W1531

Heater different:

12K7G

Other base:

78 ; 78E

First year

1935 -- Collector info (Sammler) Starts 1935 with ca. 10 models - some secure 1935.

First Source (s)

06.Jun.1935 : Electron Tube Registration List

Predecessor Tubes

Successor Tubes

1940 6SK7 6M7G 7A7 6K7GT

Base

Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uf) Top contact with a cap.

Was used by

Radio/TV-reception etc.

Filament

Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC

Tube prices

5 Tube prices (visible for members only)

Information source

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

6K7G: De Muiderkring, Bussum Joachim Glüder
6K7G: Telefunken Werkstattbuch Wolfgang Bauer More ...	Just Qvigstad	6K7G: RCA Dietrich Grötzer More ...

Usage in Models

1= 1935? ; 9= 1935 ; 5= 1936?? ; 16= 1936? ; 246= 1936 ; 35= 1937?? ; 24= 1937? ; 478= 1937 ; 26= 1938?? ; 42= 1938? ; 399= 1938 ; 30= 1939?? ; 50= 1939? ; 274= 1939 ; 41= 1940?? ; 34= 1940? ; 145= 1940 ; 8= 1941?? ; 15= 1941? ; 64= 1941 ; 5= 1942?? ; 19= 1942? ; 19= 1942 ; 5= 1943?? ; 5= 1943? ; 7= 1943 ; 2= 1944? ; 12= 1944 ; 11= 1945?? ; 35= 1945? ; 42= 1945 ; 15= 1946?? ; 12= 1946? ; 56= 1946 ; 15= 1947?? ; 9= 1947? ; 46= 1947 ; 18= 1948?? ; 3= 1948? ; 22= 1948 ; 4= 1949?? ; 4= 1949? ; 10= 1949 ; 15= 1950?? ; 2= 1950? ; 6= 1950 ; 6= 1951?? ; 1= 1952? ; 2= 1952 ; 1= 1954? ; 1= 1956?? ; 1= 1956 ; 1= 1958 ; 1= 2020 ; 1= 9999? ; 5= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2361

Collection of

Collection of a member from D

Wolfgang Bauer (A)

Herbert Odermatt † 26.Nov.05 (CH)

Rainer Doll (D)

Karl Reiter (A)

Jean-Jacques Pontigny (F)

Alberto Ammendola (I)

Antonio Bordini (I)

Hannu Alho (FIN)

Tomasz Szczesniak (PL)

Marcelo Ilardi (RA)

Emilio Ciardiello (I)

Museum Roggenhofer (A)

Collection of a member from FIN

Peter Löytynoja (FIN)

Jose Luis Villabona Horreo (E)

Egon Penker (A)

Christian Schaufelberger (CH)

Collection of a member from D

Sándor Selyem-Tóth (H)

Hermann Fleischanderl (A)

Michael Gnaedig-Fischer (MEX)

Karlheinz Fischer (D)

Bruce Morgenstern (CDN)

Justo Puertas-Paule (E)

Jacob Roschy (D)

Patrice Zeissloff (F)

Albert Weiss (A)

Giorgio Busletta (I)

Bruno Candreia (CH)

6K7G

Variants

Wrong designation the correct name should be 6K7

In the fifties, when the G envelope had been discontinued, Fivre, Marconi and other Italian manufacturers offered as replacement for servicing old radio sets this tubular version, either with a G suffix or with a GT/G suffix. Tubular G or GT/G types were taller than the GT ones, same height of the old domed G, to leave unchanged the seating of the wire going to the top cap of the tube.

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