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Country:
United States of America (USA)
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Brand:
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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)
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| Tube type: |
Triode-Pentode Universal Controlling (mu) |
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| Identical to |
6F7
= VT-70
= Ut6F7
= PH6F7
= Ut-6F7
= CV1915
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| 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
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| First Source
(s) |
05.Jul.1933 : The AWA Journal Vol. 7
01.Aug.1934 : Electron Tube Registration List
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Successor Tubes
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6P7G
ECF1
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| Base |
7-Pin-Base U7A = small, old, USA (Codex=Mb)
Top contact with a cap.
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| 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.
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| Tube prices |
4 Tube prices (visible for members
only)
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| Information source |
Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49
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6F7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Anonymous 10 Collector
More ...
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6F7: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
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Just Qvigstad
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6F7: Cunningham Radiotron Manual
Peter Hoddow
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):505
Collection of
Collection of a member from SK
| Documents about this component |
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RMA qualification record for tube types 76, 77, 78, 6C6, 6D6, 75, 41, 42, 2A5, 85, 6F7, 80, 84 and 6A7. |
1569 KB |
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