Antique radios, Old Time Radios
RO4404
Country:
France
|
|
Identical to |
RO4404
= D404
|
Similar
Tubes |
Normally replaceable-slightly different:
U4D
|
First Source
(s) |
Sep.1931 : L'Histoire Singulière du Tube Radio; G. Duperray 2009
|
|
|
|
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 |
|
|