Excerpt from the tube collection of Peter Pfeiffer. These images (tube photos) were uploaded to the respective tubes or valves by Peter Pfeiffer.
| 4N46 |
|
| Hewlett-Packard, (HP); Palo ... |
USA |
|
| 4NG |
1929 |
| Loewe-(Opta); Deutschland |
D |
|
| 4RCD0232KC1 |
|
| Common type Japan tube/semic... |
J |
|
| 4V1 |
1936 |
| Loewe-(Opta); Deutschland |
D |
|
| 4X150A |
|
| Common type USA tube/semicond. |
USA |
|
|
| 4X150G |
|
| Eimac (brand name) |
USA |
|
| 4Y35 |
|
| TeKaDe (TKD), Süddeutsche Te... |
D |
|
| 4Y50A1 |
|
| Mazda (tubes), Mazda-Belvu, ... |
F |
|
| 4Д5С |
|
| Common type USSR (SU) tube/s... |
SU |
|
| 4Ж1Л |
|
| Common type USSR (SU) tube/s... |
SU |
|
| 4П1Л |
|
| Common type USSR (SU) tube/s... |
SU |
|
| 4Ц14С |
|
| Common type USSR (SU) tube/s... |
SU |
|
| 5-11V1A |
|
| Osram GmbH KG; Berlin |
D |
|
| 5-15V1,3A |
|
| Osram GmbH KG; Berlin |
D |
|
| 5-15V10,5A |
|
| Osram GmbH KG; Berlin |
D |
|
| 5A6 |
|
| Common type Worldwide tube/s... |
ZZ |
|
|
| 5C10 |
|
| Fivre - tubes; Milano (MI) |
I |
|
|
|
| 5GK4 |
|
| Matsushita tubes; Osaka |
J |
|
| 5JLZ47 |
|
| Toshiba Corporation; Tokyo |
J |
|
| 5R4WGY |
|
| Raytheon Mfg. Co.; Cambridge... |
USA |
|
| 5TF4 |
|
| Amperite Co., Inc.; Union Ci... |
USA |
|
| 5U4 |
|
| Common type USA tube/semicond. |
USA |
|
| 5U4G |
1936 |
| Common type Worldwide tube/s... |
ZZ |
|
| 5U4GB |
|
| Common type Worldwide tube/s... |
ZZ |
|
| 5V4 |
|
| Common type USA tube/semicond. |
USA |
|
| 5V4GA |
|
| Common type USA tube/semicond. |
USA |
|
Peter Pfeiffer started his/her tube collection (valve collection) here on 07.May.2020.
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