| Country: |
United States of America (USA) |
|
Brand: |
Common type USA |
| |
Tube type: |
Pentagrid-Converter (Heptode) Pentagrid (old) Controlling (mu) |
|
Tube ID = 961
|
 |
| Identical to |
6A8 = 6Q8 = 6a8
|
| Similar
Tubes |
Other shape (e.g. bulb type): 6A8G; 6A8GT; 6A8MG Heater different: 11A8 Other base: 7B8
|
| First Source
(s) |
15.Aug.1935 : Electron Tube Registration List
05.Dec.1935 : - - Manufacturers Literature Data sheet
|
| Predecessor Tubes |
6A7
2A7
|
| Successor Tubes |
6SA7
6TH8G
|
|
| Base |
Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ue)
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 / |
| Tube prices |
0 Tube prices (visible for members
only)
|
| Literature |
Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49
|
|
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| |
|
| |
Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Michael Schlör
|
|
 |
|
collection JR
Jacob Roschy
|
|
Telefunken Werkstattbuch
Wolfgang Bauer
|
|
Lorenz Empfänger - Röhren
Michael Sigmund
|
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