| Country: |
United States of America (USA) |
|
Brand: |
Common type USA |
| |
Tube type: |
Pentagrid-Converter (Heptode) Pentagrid (old) |
|
Tube ID = 2689
|
 |
| Identical to |
6A8GT
= VT-151B
= 6A8GTX
|
| Similar
Tubes |
6A8G (other shape (e.g. bulb, size))
6A8 (other shape (e.g. bulb, size))
7B8 (other base)
12A8GT (Heater different)
6A8V (other shape (e.g. bulb, size))
6A8MG (other shape (e.g. bulb, size))
|
| First Source
(s) |
11.Mar.1938 : Electron Tube Registration List
|
| Predecessor Tubes |
6A7
6A8G
|
| Successor Tubes |
6TE8GT
7B8
6SA7GT
|
|
| Base |
Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ue)
Top contact with a cap
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel / series AC/DC /
If: 0.3 Ampere /
Vf 6.3 Volts /
|
| Tube prices |
0 Tube prices (visible for members
only)
|
| Literature |
Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
|
 |
|
C.M.
Mario Coelho
|
|
Telefunken Werkstattbuch
Wolfgang Bauer
|
|
Manufacturer's Literature
Emilio Ciardiello
|
|
 |