Antique radios, Old Time Radios

6A7

ID = 2687

Country:

United States of America (USA)

Brand:

Common type USA tube/semicond.

Common type USA tube/semicond. Amalgamated Wireless Valve Co. Ltd. (AWV); Sydney, NSW Genalex, BGE (brand), British General Electric Co. Pty Ltd.; Sydney, NSW. Ken-Rad - see also Amalgamated Wireless Valve Co. Osram (tubes/valves) - see British General Electrics; Sydney Philips Australia Cunningham Inc., E.T.; Harrison (NJ) National Union Radio Corp.; Orange (NJ) Raytheon Mfg. Co.; Cambridge, MA Triad Television & Mfg. Co.; Pawtucket, RI Tung-Sol Electric Inc.; Newark (NJ) Wizard (tube brand); (where ?)

Tube type:

Pentagrid-Converter (Heptode) Frequency converter Controlling (mu)

Identical to

6A7 = Ut6A7 = Ut-6A7 = 6A7E = G-6A7 = CV1870 = NU-6A7

Similar Tubes

Other shape (e.g. bulb type):

6A7S ; G-6A7-S

Other class quality (otherwise equal):

NU-6A7S

Heater different:

2A7

Other base:

6A7_Octal ; 6A8G

Multiple differences or of other kind:

MH1118 ; UPG105

First year

1933 -- Collector info (Sammler)

First Source (s)

Mar.1933 : The AWA Journal Vol. 7, 1992.

01.Aug.1934 : Electron Tube Registration List

Successor Tubes

6A8 6A8G 6A8GT 6WC5 6W-C5

Base	7-Pin-Base U7A = small, old, USA (Codex=Mh) 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
Description	* RMA/JEDEC register record available by courtesy of TCA* - This tube was already listed by several manufacturers when RMA started its standardization in 1934. In order to characterize popular receiving types, manufacturers were asked to supply average characteristics as measured on production lots. Here are the filled answer forms supplied by Radio Valve Co., Raytheon, Sparton, Triad, Tung Sol, Ken Rad, Hytron and Arcturus. Full record is downloadable here.
Dimensions (WHD) incl. pins / tip	x 116 x 38 mm / x 4.57 x 1.50 inch
Weight	39 g / 1.38 oz
Tube prices	6 Tube prices (visible for members only)
Information source	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49


	6A7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Anonymous 10 Collector

6A7: Collection JR
Jacob Roschy
More ...

6A7: Telefunken Werkstattbuch
Wolfgang Bauer
More ...

6A7: Sylvania Technical Manual
Peter Hoddow
More ...

from Just Qvigstad

Usage in Models

1= 1932?? ; 31= 1933?? ; 112= 1933? ; 273= 1933 ; 71= 1934?? ; 160= 1934? ; 673= 1934 ; 132= 1935?? ; 216= 1935? ; 984= 1935 ; 155= 1936?? ; 231= 1936? ; 881= 1936 ; 142= 1937?? ; 159= 1937? ; 907= 1937 ; 189= 1938?? ; 95= 1938? ; 598= 1938 ; 118= 1939?? ; 83= 1939? ; 212= 1939 ; 99= 1940?? ; 49= 1940? ; 62= 1940 ; 60= 1941?? ; 18= 1941? ; 5= 1941 ; 43= 1942?? ; 25= 1942? ; 7= 1942 ; 2= 1943?? ; 1= 1943? ; 2= 1943 ; 1= 1944?? ; 1= 1944? ; 8= 1945?? ; 2= 1945? ; 2= 1946?? ; 2= 1946? ; 2= 1946 ; 11= 1947?? ; 3= 1947 ; 3= 1948?? ; 2= 1948 ; 1= 1949 ; 36= 1950?? ; 1= 1951 ; 2= 1952?? ; 3= 1952? ; 1= 1952 ; 1= 1953 ; 2= 1955?? ; 2= 1956 ; 1= 1999 ; 4= 9999?? ; 1= 9999? ; 6= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):6894

Museum "Wireless In Wales Museum"

Collection of Jacob Roschy (D)

Collection of Christian Schaufelberger (CH)

Collection of René Goebel (D)

Collection of Trev Levick (D)

Collection of Karlheinz Fischer (D)

Collection of Wolfgang Bauer (A)

Collection of Peter Steffen (CH)

Collection of Valery Gromov (RUS)

Collection of Karl - Heinz Bossan (D)

Collection of Aldo Patriarca (CH)

Collection of Ottmar Rollmann (D)

Collection of Jose Antonio Gonzalez-Ruiz (E)

Collection of Raynal Aufils (F)

Collection of Georges Werts (B)

Collection of Peter Roggenhofer † 25.4.18 (A)

Collection of a member from FIN

Collection of Jacky Parmentier (F)

Collection of Massimo Pedrina (I)

Collection of Tomasz Szczesniak (PL)

Collection of Justo Puertas-Paule (E)

Collection of Bekir Yurdakul (F)

Collection of George Papaiz (CDN)

Collection of Biagio Laureti (I)

Collection of Alberto Ammendola (I)

Collection of Jean-Jacques Pontigny (F)

Collection of Emilio Focosi (I)

Collection of Bruno Candreia (CH)

Collection of Geri Meier (CH)

Collection of Bruce Morgenstern (CDN)

Collection of Chris Lepiarczyk (D)

Collection of Fin Stewart (AUS)

Collection of Reinhard Riek (D)

Collection of Antonio Bordini (I)

Collection of Michael Gnaedig-Fischer (MEX)

Collection of Yury Savin (RUS)

Collection of Oskar Elm (D)

Collection of Eric Hublin (B)

Collection of Bartosz Szwed (GB)

Collection of Jose Luis Villabona Horreo (E)

Collection of David Erali (USA)

Collection of Patrice Follet (F)

Collection of Tor Steinnes (N)

Collection of Benedetto Pirani (I)

Collection of Robert Gillespie (USA)

Documents about this component

RMA qualification record for tube types 76, 77, 78, 6C6, 6D6, 75, 41, 42, 2A5, 85, 6F7, 80, 84 and 6A7.

1569 KB

Forum contributions about this tube

6A7

Threads: 1 | Posts: 1

Hits: 4275 Replies: 0 6A7 (6A7)
Reinhard Hanschke 14.Aug.07	1 6A7 (6A7) Neupreis 1938: 57,00 FFR. Lit.: Catalog der Fa. MANUFRANCE (MF) von 1938.

6A7
End of forum contributions about this tube

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