Extracto de la colección de válvulas de Manfred Kröll † 2.9.2013. Estas imágenes fueron aportadas en la página de válvula respectiva por Manfred Kröll † 2.9.2013.
| 4699 |
1938 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 4652 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| 4609 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| 3546_3pin |
|
| Philips; Eindhoven (tubes in... |
NL |
|
|
| 3545 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| 329B |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
|
| 14X7 |
|
| Common type USA tube/semicond. |
USA |
|
| 6X5GT |
1938 |
| Common type USA tube/semicond. |
USA |
|
| 6M6GT |
|
| Common type France tube/semi... |
F |
|
| 6AF7G |
|
| Common type France tube/semi... |
F |
|
| VT-218 |
|
| Common type USA tube/semicond. |
USA |
|
| VT-107A |
|
| Common type USA tube/semicond. |
USA |
|
| VR124 |
|
| Common type Great Britain tu... |
GB |
|
| VLS631 |
|
| Standard Telephones and Cabl... |
GB |
|
| UL12 |
1940 |
| Common type Europe tube/semi... |
EU |
|
| UCH4 |
1940 |
| Common type Europe tube/semi... |
EU |
|
| TM-CDT1 |
|
| Common type France tube/semi... |
F |
|
| RSAF |
|
| Common type Italy tube/semic... |
I |
|
| ORP50 |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| O15/400 |
|
| Tungsram; Budapest (see also... |
H |
|
| NU4 |
|
| Sator (brand of Tungsram for... |
H |
|
| NS4 |
|
| Sator (brand of Tungsram for... |
H |
|
| NR4 |
|
| Sator (brand of Tungsram for... |
H |
|
| NH4 |
|
| Kremenezky, Johann (Sator); ... |
A |
|
| NF2 |
|
| Telefunken Deutschland (TFK)... |
D |
|
| NCC4 |
|
| Sator (brand of Tungsram for... |
H |
|
| NC4 |
|
| Sator (brand of Tungsram for... |
H |
|
| NA4 |
|
| Kremenezky, Johann (Sator); ... |
A |
|
Página de coleccionista de Manfred Kröll † 2.9.2013 como «Página personal en RMorg»
Como miembro de Radiomuseum.org, Manfred Kröll † 2.9.2013 muestra aquí algunos ítems de su colección personal. Por el momento, los miembros no pueden crear páginas de válvulas por sí mismos sino que deben solicitarlo al administrador de válvulas.
Manfred Kröll † 2.9.2013 inauguró esta muestra de su colección el día 09.Dec.2004.
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