Excerpt from the tube collection of Peter Pfeiffer. These images (tube photos) were uploaded to the respective tubes or valves by Peter Pfeiffer.
| H406 |
1926 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| H407spez |
1929 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| H410D |
1930 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| H1267 |
|
| Common type Worldwide tube/s... |
ZZ |
|
| H2618D |
1933 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| H4080D |
1929 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| H4111D |
1932 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| H4128D |
1933 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| H4129D |
1933 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| H5007 |
|
| Common type Worldwide tube/s... |
ZZ |
|
| HA08 |
|
| Texas Instruments, Dallas |
USA |
|
| HA178Lxx |
|
| Hitachi Ltd.; Tokyo |
J |
|
| HA179Lxx |
|
| Hitachi Ltd.; Tokyo |
J |
|
| HA1342 |
|
| Hitachi Ltd.; Tokyo |
J |
|
| HA5002 |
|
| Common type USA tube/semicond. |
USA |
|
| HA11498 |
|
| Hitachi Ltd.; Tokyo |
J |
|
| HA12411 |
|
| Hitachi Ltd.; Tokyo |
J |
|
| HA13490 |
|
| Hitachi Ltd.; Tokyo |
J |
|
| HA17824 |
|
| Hitachi Ltd.; Tokyo |
J |
|
| HAT2170 |
|
| Common type Japan tube/semic... |
J |
|
|
| HBF4011 |
|
| ATES; L’Aquila, Milano, Napo... |
I |
|
| HC07 |
|
| Zenith (Tubes); Monza |
I |
|
| HC4053 |
|
| Texas Instruments, Dallas |
USA |
|
| HCPL-0531 |
|
| Common type USA tube/semicond. |
USA |
|
| HCPL-0601 |
|
| Common type USA tube/semicond. |
USA |
|
| HCPL-0710 |
|
| Common type USA tube/semicond. |
USA |
|
| HCPL-2400 |
|
| Common type USA tube/semicond. |
USA |
|
| HCPL-2531 |
|
| Common type USA tube/semicond. |
USA |
|
| HCPL-3700 |
|
| Common type USA tube/semicond. |
USA |
|
Peter Pfeiffer started his/her tube collection (valve collection) here on 07.May.2020.
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