Extracto de la colección de válvulas de Ottmar Rollmann. Estas imágenes fueron aportadas en la página de válvula respectiva por Ottmar Rollmann.
| 12SG7 |
|
| Common type USA tube/semicond. |
USA |
|
| 12SG7Y |
|
| Common type USA tube/semicond. |
USA |
|
| 12SK7 |
1939 |
| Common type USA tube/semicond. |
USA |
|
| 12SQ7 |
1939 |
| Common type USA tube/semicond. |
USA |
|
| 12SR7 |
|
| Common type USA tube/semicond. |
USA |
|
| 14E6 |
|
| Common type USA tube/semicond. |
USA |
|
| 20-60V0,15A |
|
| Osram GmbH KG; Berlin |
D |
|
| 24A |
1929 |
| Common type USA tube/semicond. |
USA |
|
| 25L6GT |
1938 |
| Common type USA tube/semicond. |
USA |
|
| 25Z5 |
1933 |
| Common type Worldwide tube/s... |
ZZ |
|
| 30 |
1930 |
| Common type USA tube/semicond. |
USA |
|
| 32 |
1930 |
| Common type USA tube/semicond. |
USA |
|
| 35L6GT |
|
| Common type USA tube/semicond. |
USA |
|
| 35W4 |
1946 |
| Common type Worldwide tube/s... |
ZZ |
|
| 35Z5GT |
1939 |
| Common type USA tube/semicond. |
USA |
|
| 39/44 |
|
| Common type USA tube/semicond. |
USA |
|
| 42 |
1932 |
| Common type USA tube/semicond. |
USA |
|
| 43 |
1932 |
| Common type USA tube/semicond. |
USA |
|
| 50C5 |
1948 |
| Common type Worldwide tube/s... |
ZZ |
|
| 50L6GT |
1939 |
| Common type USA tube/semicond. |
USA |
|
| 55 |
1931 |
| Common type USA tube/semicond. |
USA |
|
| 56 |
1932 |
| Common type USA tube/semicond. |
USA |
|
| 75 |
1933 |
| Common type USA tube/semicond. |
USA |
|
| 76 |
1933 |
| Common type USA tube/semicond. |
USA |
|
| 77 |
1933 |
| Common type USA tube/semicond. |
USA |
|
| 78 |
1933 |
| Common type Worldwide tube/s... |
ZZ |
|
| 80 |
1927 |
| Common type USA tube/semicond. |
USA |
|
| 83 |
|
| Common type USA tube/semicond. |
USA |
|
| 83-V |
|
| Common type USA tube/semicond. |
USA |
|
| 85-255V0,06A |
|
| Osram GmbH KG; Berlin |
D |
|
Ottmar Rollmann inauguró esta muestra de su colección el día 23.Aug.2009.
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