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