Extracto de la colección de válvulas de Otto Frosinn. Estas imágenes fueron aportadas en la página de válvula respectiva por Otto Frosinn.
| CL-80 |
|
| Clarion, Transformer Corp. o... |
USA |
|
| EZ11 |
1938 |
| Common type Europe tube/semi... |
EU |
|
| EZ12 |
1938 |
| Telefunken Deutschland (TFK)... |
D |
|
| EZ40 |
1948 |
| Common type Europe tube/semi... |
EU |
|
| EZ80 |
1952 |
| Common type Europe tube/semi... |
EU |
|
| RG12D300 |
|
| Telefunken Deutschland (TFK)... |
D |
|
| RGN504 |
1929 |
| Telefunken Deutschland (TFK)... |
D |
|
| 5R4GYA |
|
| Common type USA tube/semicond. |
USA |
|
| 5R4WGA |
|
| Raytheon Mfg. Co.; Cambridge... |
USA |
|
| 5Y3WGTA |
1953 ? |
| Common type USA tube/semicond. |
USA |
|
| 5Z3P |
|
| Common type China (PRC) tube... |
PRC |
|
| 6BX4/6X4 |
|
| Common type France tube/semi... |
F |
|
|
| 1823 |
1927 |
| Philips; Eindhoven (tubes in... |
NL |
|
| CX300A |
|
| Cunningham Inc., E.T.; Harr... |
USA |
|
| TC200A |
|
| Televocal Corporation; New Y... |
USA |
|
| UV200 |
1920 |
| General Electric for Brand R... |
USA |
|
| 2A4G |
|
| Philco, Philadelphia Stg. Ba... |
USA |
|
| 2950 |
|
| WLS (tubes), World's Largest... |
USA |
|
| CV359 |
|
| Standard Telephones and Cabl... |
GB |
|
| NE17 |
|
| Standard Telephones and Cabl... |
GB |
|
| CV74 |
|
| Standard Telephones and Cabl... |
GB |
|
| EY51 |
1948 |
| Philips; Eindhoven (tubes in... |
NL |
|
| G354 |
|
| Common type Europe tube/semi... |
EU |
|
| HY90 |
1951 |
| Common type Europe tube/semi... |
EU |
|
| RFG5 |
|
| Telefunken Deutschland (TFK)... |
D |
|
| RGN564 |
1932 |
| Telefunken Deutschland (TFK)... |
D |
|
| U403 |
|
| Mazda = Valve (Tube) brand G... |
GB |
|
| UY4 |
1949 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| UY11 |
1939 |
| Common type Europe tube/semi... |
EU |
|
Otto Frosinn inauguró esta muestra de su colección el día 03.Apr.2006.
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