Excerpt from the tube collection of Michael Mischke. These images (tube photos) were uploaded to the respective tubes or valves by Michael Mischke.
| PN1010 |
|
| Common type China (PRC) tube... |
PRC |
|
| PN2222 |
|
| Common type USA tube/semicond. |
USA |
|
| PNX7862 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| PQ12DZ11 |
|
| Common type Japan tube/semic... |
J |
|
| PQ12RF11 |
|
| Common type Japan tube/semic... |
J |
|
| PQ033DNA1 |
|
| Common type Japan tube/semic... |
J |
|
| PQ070XHA2 |
|
| Common type Japan tube/semic... |
J |
|
| PR1007 |
|
| Common type Worldwide tube/s... |
ZZ |
|
| PS206 |
|
| Common type Worldwide tube/s... |
ZZ |
|
| PS302R |
|
| Common type China (PRC) tube... |
PRC |
|
| PS2561 |
|
| NEC Corporation, Nippon Elec... |
J |
|
| PS2581A |
|
| NEC Corporation, Nippon Elec... |
J |
|
| PSB2186 |
|
| Siemens (& Halske, -Schucker... |
D |
|
| PSB3186 |
|
| Siemens (& Halske, -Schucker... |
D |
|
| PSB3422 |
|
| Siemens (& Halske, -Schucker... |
D |
|
| PSB7200 |
|
| Siemens (& Halske, -Schucker... |
D |
|
| PSB21150 |
|
| Siemens (& Halske, -Schucker... |
D |
|
| PSB50702 |
|
| Siemens (& Halske, -Schucker... |
D |
|
| PSB50812 |
|
| Siemens (& Halske, -Schucker... |
D |
|
| PST520 |
|
| Common type Japan tube/semic... |
J |
|
| PST523 |
|
| Common type Japan tube/semic... |
J |
|
| PST600 |
|
| Common type Japan tube/semic... |
J |
|
| PT8A977B |
|
| Common type USA tube/semicond. |
USA |
|
| PT2222 |
|
| Common type Taiwan tube/semi... |
TW |
|
| PT2248 |
|
| Common type Taiwan tube/semi... |
TW |
|
| PT2249 |
|
| Common type Taiwan tube/semi... |
TW |
|
| PT2272 |
|
| Common type Taiwan tube/semi... |
TW |
|
| PT2308 |
|
| Common type Taiwan tube/semi... |
TW |
|
| PT2313 |
|
| Common type Taiwan tube/semi... |
TW |
|
| PT2314 |
|
| Common type Taiwan tube/semi... |
TW |
|
Michael Mischke started his/her tube collection (valve collection) here on 28.Dec.2005.
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