Antique radios, Old Time Radios
M1004S
Country:
Netherlands
|
|
Identical to |
M1004S
|
Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
Sidecontact.
|
Filament |
Vf 4 Volts / If 0.1 Ampere / Direct / Specified current DC = (Series working) |
Description |
Tungsram and Radio Record made tetrodes with a penthode characteristic to avoid the Philips patent of the penthode.
|
Information source |
- - Manufacturers Literature 1933
- - -
- - -
- - -
|
|
M1004S
Peter den Boer
More ...
|
Just Qvigstad
|
M1004S: own collection
Peter den Boer
|
|
|
|
|
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 |
|
|