| Country: |
United States of America (USA) |
|
Brand: |
Common type USA |
| |
Tube type: |
Double Diode-Triode |
|
Tube ID = 2988
|
 |
| Identical to |
6SQ7GT
|
| Similar
Tubes |
6SQ7 (other shape (e.g. bulb, size))
7B6 (other base)
6B6 (different connections)
12SQ7GT (Heater different)
|
| First Source
(s) |
04.May.1939 : Electron Tube Registration List
|
| Predecessor Tubes |
6Q7G
6Q7GT
6B6
|
| Successor Tubes |
6AV6
|
|
| Base |
Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vk)
|
| 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
|
|
|
|
 |
|
Private collection
Emilio Ciardiello
|
|
RTT Schwandt
Günther Stabe
|
|
Sylvania Technical Manual
Peter Hoddow
|
|
 |