Country:
United States of America (USA)
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Brand:
|
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Tube type: |
Pentagrid-Converter (Heptode) Frequency converter Controlling (mu) |
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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
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First year |
1933
-- Collector info (Sammler)
|
First Source
(s) |
Mar.1933 : The AWA Journal Vol. 7, 1992.
01.Aug.1934 : Electron Tube Registration List
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Successor Tubes
|
6A8
6A8G
6A8GT
6WC5
6W-C5
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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 / Parallel / series 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
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6A7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Michael Schlör
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6A7: Collection JR
Jacob Roschy
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6A7: Telefunken Werkstattbuch
Wolfgang Bauer
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6A7: Sylvania Technical Manual
Peter Hoddow
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from Just Qvigstad
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