Antique radios, Old Time Radios
DQ4a
Country:
Switzerland
|
|
Identical to |
DQ4a
|
Similar
Tubes |
Other base:
DQ4
; DQ4c
|
Base |
Edison giant, E40 = 40 mm-Goliat
Top contact with a cap.
|
Was used by |
Industrial |
Filament |
Vf 5 Volts / If 7.5 Ampere / Direct |
Dimensions (WHD) incl. pins / tip |
x 236 x 56 mm / x 9.29 x 2.20 inch |
Weight |
220 g / 7.76 oz |
Information source |
- - Manufacturers Literature Frank's Tube Pages
Schweizer Elektronenröhren 1917-2003, Willi E. Seite 59
Taschenbuch zum Röhren-Codex 1948/49
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
|
DQ4a: BBC Röhren Handbuch 1
Aldo Patriarca
|
DQ4a: Manufacturer's Literature
Emilio Ciardiello
More ...
|
Just Qvigstad
|
DQ4a: BBC Handbuch 1
Aldo Patriarca
More ...
|
Collection of
|
|
|
|
Forum contributions about this tube
DQ4a
Threads: 1 | Posts: 1
Hits: 2384 Replies: 0
DQ4a (DQ4a)
|
Aldo Patriarca
03.Oct.12
|
1
Dieser Zweiweggleichrichter stammt aus einem alten Telegraphie-Sender aus den 50ger Jahren. Die Endstufenröhre war eine TB3/2000-1. Die Gleichrichterröhren sind neuerem Datums und in sehr gutem Zustand (90%).
Neben den beiden Gleichrichterröhren befindet sich je eine Sicherung für den Anodenstrom.
Attachments
|
DQ4a
End of forum contributions about this tube
You reach this tube or valve page from a search
after clicking the "tubes" tab or by clicking a tube
on a radio model page. You will find thousands
of tubes or valves with interesting links. You
even can look up radio models with a certain tube
line up.
[rmxtube-en]
Data Compliance |
More Information |
|
|