|
Country:
United States of America (USA)
|
|
Brand:
|
|
| Tube type: |
Vacuum Pentode RF/IF-Stage Controlling (mu) |
| |
Ca. 1925 up to 1945 rare. |
|
| Identical to |
6D6
= UZ-6D6
= UZ6D6
= 38646
= VT160_GPO
= CV1709
|
| Similar
Tubes |
Other shape (e.g. bulb type):
M6D6
Normally replaceable-slightly different:
58A
Other class quality (otherwise equal):
VT-69
Heater different:
58
Other base:
6D6_Octal
; 6E7
; 6U7G
|
| First year |
1933
?
-- Collector info (Sammler)
|
| First Source
(s) |
01.Aug.1934 : Electron Tube Registration List
|
| Predecessor Tubes |
58
|
|
Successor Tubes
|
6U7G
|
| Base |
6-Pin-Base U6A, old, USA (Codex=Kf)
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 |
Variable mu RF/IF amplifier.
* 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.
|
| Tube prices |
3 Tube prices (visible for members
only)
|
| Information source |
Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature
|
| |
|
| |
6D6: Internet
Miguel Angel Trujillo-Rodriguez
|
|
|
 |
|
6D6
Rudolf Osterkamp
|
| |
|
6D6: Telefunken Werkstattbuch
Wolfgang Bauer
|
| |
|
6D6: Cunningham Radiotron Manual
Peter Hoddow
|
from Just Qvigstad
|
|
