Extracto de la colección de válvulas de Alexander Hofer. Estas imágenes fueron aportadas en la página de válvula respectiva por Alexander Hofer.
3NFB |
1927 |
Loewe-(Opta); Deutschland |
D |
|
112A |
1927 |
Common type USA tube/semicond. |
USA |
|
UX222 |
1927 |
Common type USA tube/semicond. |
USA |
|
L160 |
1928 |
Valvo GmbH, Radioröhrenfabri... |
D |
|
RE604 |
1928 |
Telefunken Deutschland (TFK)... |
D |
|
REN601 |
1928 |
Telefunken Deutschland (TFK)... |
D |
|
REN2204 |
1928 |
Telefunken Deutschland (TFK)... |
D |
|
RENZ2104 |
1928 |
Telefunken Deutschland (TFK)... |
D |
|
RV230 |
1928 |
Telefunken Deutschland (TFK)... |
D |
|
RV239 |
1928 |
Telefunken Deutschland (TFK)... |
D |
|
RV275 |
1928 |
Telefunken Deutschland (TFK)... |
D |
|
RV278 |
1928 |
Telefunken Deutschland (TFK)... |
D |
|
RV2500 |
1928 |
Telefunken Deutschland (TFK)... |
D |
|
4A15_Ultron |
1928 |
Ultron (tubes) |
B |
|
50 |
1928 |
Common type USA tube/semicond. |
USA |
|
RV2300 |
1928 |
Telefunken Deutschland (TFK)... |
D |
|
KL1_MO |
1928 |
Marconi-Osram - (Valves/Tube... |
GB |
|
G715 |
1929 |
Valvo GmbH, Radioröhrenfabri... |
D |
|
VT-4C |
1929 ? |
Common type USA tube/semicond. |
USA |
|
4K170 |
1929 |
TeKaDe (TKD), Süddeutsche Te... |
D |
|
211 |
1929 ? |
Common type USA tube/semicond. |
USA |
|
LK4110 |
1930 |
Valvo GmbH, Radioröhrenfabri... |
D |
|
E452T |
1931 |
Philips; Eindhoven (tubes in... |
NL |
|
RGN2504 |
1931 |
Telefunken Deutschland (TFK)... |
D |
|
F410 |
1932 |
Philips; Eindhoven (tubes in... |
NL |
|
WunderlichA |
1932 |
Arcturus Radio Tube Co.; New... |
USA |
|
48 |
1932 |
Common type USA tube/semicond. |
USA |
|
295 |
1932 |
Speed, Cable Radio Tube Corp... |
USA |
|
ACH1 |
1933 |
Common type Europe tube/semi... |
EU |
|
E444 |
1933 |
Philips; Eindhoven (tubes in... |
NL |
|
Alexander Hofer inauguró esta muestra de su colección el día 23.Nov.2013.
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