Antique radios, Old Time Radios

6F7

ID = 2844

Country:

United States of America (USA)

Brand:	Common type USA tube/semicond. Common type USA tube/semicond. Canadian Marconi Co. Ltd. (CMC, Esterline), Marconi's Wireless; Montreal, QC Purotron, Raga AG; Zürich Néotron, S.A. des Lampes; Clichy (Seine) Ken-Rad, The Kentucky Radio Corporation; Owensboro, KY Raytheon Mfg. Co.; Cambridge, MA RCA (RCA Victor Co. Inc.); New York (NY) Sylvania (Hygrade, GTE, Nilco); Emporium (PA)
Tube type:	Triode-Pentode Universal Controlling (mu)

Identical to

6F7 = VT-70 = Ut6F7 = Ut-6F7 = PH6F7 = CV1915

Similar Tubes

Other shape (e.g. bulb type):

G-6F7-S

Normally replaceable-slightly different:

6F7B ; 6F7E

Other base:

6F7M ; 6P7G ; 6Ф7 ; UG-6P7G ; UG6P7G

Multiple differences or of other kind:

ECF1

First Source (s)

05.Jul.1933 : The AWA Journal Vol. 7

01.Aug.1934 : Electron Tube Registration List

Successor Tubes

6P7G ECF1

Base

7-Pin-Base U7A = small, old, USA (Codex=Mb) Top contact with a cap.

Was used by

Radio/TV-reception etc.

Filament

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

Description

Triode and remote-cutoff pentode usable as amplifier or frequency converter.

* 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.

Tube prices

4 Tube prices (visible for members only)

Information source

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

6F7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Anonymous 10 Collector More ...
6F7: Telefunken Werkstattbuch Wolfgang Bauer More ...	Just Qvigstad	6F7: Cunningham Radiotron Manual Peter Hoddow More ...

Usage in Models

7= 1933? ; 47= 1933 ; 5= 1934?? ; 21= 1934? ; 125= 1934 ; 4= 1935?? ; 27= 1935? ; 94= 1935 ; 10= 1936?? ; 9= 1936? ; 67= 1936 ; 1= 1937?? ; 2= 1937? ; 13= 1937 ; 4= 1938?? ; 5= 1938? ; 29= 1938 ; 2= 1939? ; 8= 1939 ; 1= 1940?? ; 2= 1940? ; 8= 1940 ; 2= 1941 ; 1= 1942?? ; 2= 1942? ; 1= 1946? ; 2= 1947?? ; 1= 1947 ; 1= 1948?? ; 2= 1951 ; 1= 1952 ; 1= 1958

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):505

Collection of

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

6F7

Forum contributions about this tube

6F7

Threads: 1 | Posts: 1

Hits: 2794 Replies: 0 6F7 (6F7)
Fabio Masetti 17.Oct.09	1 6F7 (6F7) La 6F7 è equivalente anche alla CV1915.

6F7
End of forum contributions about this tube

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6F7

Common type USA tube/semicond.

Collection of