Excerpt from the tube collection of Heriberto Tavella. These images (tube photos) were uploaded to the respective tubes or valves by Heriberto Tavella.
| 866A |
1933 |
| General Electric for Brand R... |
USA |
|
| 845 |
|
| Common type USA tube/semicond. |
USA |
|
| 803 |
|
| Common type USA tube/semicond. |
USA |
|
| 717A |
|
| Common type USA tube/semicond. |
USA |
|
| 274B |
|
| Common type USA tube/semicond. |
USA |
|
| 247 |
|
| Common type USA tube/semicond. |
USA |
|
| 75WR |
|
| SIF (S.I.F.), Société Indépe... |
F |
|
| 50L6GT |
1939 |
| Common type USA tube/semicond. |
USA |
|
| 45 |
1929 |
| Common type USA tube/semicond. |
USA |
|
| 36 |
1930 |
| Common type USA tube/semicond. |
USA |
|
| 35L6GT |
|
| Common type USA tube/semicond. |
USA |
|
| 35/51 |
1935 ? |
| Common type USA tube/semicond. |
USA |
|
| 25Z5 |
1933 |
| Common type Worldwide tube/s... |
ZZ |
|
| 24A |
1929 |
| Common type USA tube/semicond. |
USA |
|
| 12SR7 |
|
| Common type USA tube/semicond. |
USA |
|
| 12SA7GT |
|
| Common type USA tube/semicond. |
USA |
|
| 6SN7GTB |
|
| Common type Worldwide tube/s... |
ZZ |
|
| 6SN7GT |
|
| Common type Worldwide tube/s... |
ZZ |
|
| 6SG7 |
|
| Common type USA tube/semicond. |
USA |
|
| 6E5 |
1935 |
| Common type USA tube/semicond. |
USA |
|
| 6AS7G |
|
| Common type Worldwide tube/s... |
ZZ |
|
| 6A8MG |
|
| Common type Worldwide tube/s... |
ZZ |
|
| 5U4GB |
|
| Common type Worldwide tube/s... |
ZZ |
|
| 3C23 |
|
| Common type Worldwide tube/s... |
ZZ |
|
| 2A3 |
1933 |
| Common type USA tube/semicond. |
USA |
|
| 1L6 |
|
| Common type USA tube/semicond. |
USA |
|
| 1H4G |
|
| Common type USA tube/semicond. |
USA |
|
| VT-154 |
|
| Common type USA tube/semicond. |
USA |
|
| VT139_TKD |
1927 |
| TeKaDe (TKD), Süddeutsche Te... |
D |
|
| VR53 |
|
| Common type Great Britain tu... |
GB |
|
Heriberto Tavella started his/her tube collection (valve collection) here on 09.Dec.2007.
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