Excerpt from the tube collection of Peter Pfeiffer. These images (tube photos) were uploaded to the respective tubes or valves by Peter Pfeiffer.
| X61M |
1939 |
| Marconi-Osram - (Valves/Tube... |
GB |
|
| X109 |
|
| GEC, General Electric Co Ltd... |
GB |
|
| X4122 |
1933 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| X4123 |
1933 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| XC2S50 |
|
| Common type USA tube/semicond. |
USA |
|
| XC2V250 |
|
| Common type USA tube/semicond. |
USA |
|
| XC3S50A |
|
| Common type USA tube/semicond. |
USA |
|
| XC3S200 |
|
| Common type USA tube/semicond. |
USA |
|
| XC3S400 |
|
| Common type USA tube/semicond. |
USA |
|
| XC4013XLA |
|
| Common type USA tube/semicond. |
USA |
|
| XC4044 |
|
| Common type USA tube/semicond. |
USA |
|
| XC6103 |
|
| Common type Japan tube/semic... |
J |
|
| XC6202 |
|
| Common type Japan tube/semic... |
J |
|
| XC6365 |
|
| Common type Japan tube/semic... |
J |
|
| XC95144 |
|
| Common type USA tube/semicond. |
USA |
|
| XC95288XL |
|
| Common type USA tube/semicond. |
USA |
|
| XCF01S |
|
| Common type USA tube/semicond. |
USA |
|
| XCF02S |
|
| Common type USA tube/semicond. |
USA |
|
|
| XFG1 |
|
| HIVAC (Brand), High Vacuum V... |
GB |
|
| XGIZ7 |
|
| Common type Europe tube/semi... |
EU |
|
| XL |
|
| HIVAC (Brand), High Vacuum V... |
GB |
|
| XQ1062 |
|
| Heimann GmbH, PTW; Wiesbaden |
D |
|
| XQ1063 |
|
| Heimann GmbH, PTW; Wiesbaden |
D |
|
| XQ1072 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| XRC681 |
|
| Exar Corp.; San Jose (CA) |
USA |
|
| XTNI12BF |
|
| Common type USA tube/semicond. |
USA |
|
| YAC512 |
|
| Common type Japan tube/semic... |
J |
|
| YD1051 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| YD1060 |
|
| Telefunken Deutschland (TFK)... |
D |
|
Peter Pfeiffer started his/her tube collection (valve collection) here on 07.May.2020.
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