Excerpt from the tube collection of Siegfried Neumann. These images (tube photos) were uploaded to the respective tubes or valves by Siegfried Neumann.
| 2SC2526 |
|
| Common type Japan tube/semic... |
J |
|
| 20PE11 |
|
| Panasonic, Matsushita, Natio... |
J |
|
| BDX67 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| BFR64 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| DM300_new |
|
| Radio-Record - Röhrenmarke; ... |
NL |
|
| ORP30 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| 3AX83B |
|
| Common type China (PRC) tube... |
PRC |
|
| EL509_octal |
|
| JJ Electronic; Čadca |
SK |
|
| КТ372Б |
|
| Common type USSR (SU) tube/s... |
SU |
|
| КТ802А |
|
| Common type USSR (SU) tube/s... |
SU |
|
| МП21 |
|
| Common type USSR (SU) tube/s... |
SU |
|
| П304 |
|
| Common type USSR (SU) tube/s... |
SU |
|
| B5750 |
|
| Burroughs Corporation; Plain... |
USA |
|
| CA3020 |
|
| RCA (RCA Victor Co. Inc.); N... |
USA |
|
| CA3090 |
|
| RCA (RCA Victor Co. Inc.); N... |
USA |
|
| CK718 |
1953 |
| Raytheon Mfg. Co.; Cambridge... |
USA |
|
| CK722 |
|
| Raytheon Mfg. Co.; Cambridge... |
USA |
|
| CK5886 |
|
| Raytheon Mfg. Co.; Cambridge... |
USA |
|
| CTP1003 |
|
| Common type USA tube/semicond. |
USA |
|
| CTP1109 |
|
| Common type USA tube/semicond. |
USA |
|
| E310 |
|
| Common type USA tube/semicond. |
USA |
|
| MC1307P |
|
| Motorola Inc. (ex Galvin Mfg... |
USA |
|
| MV50 |
|
| Monsanto Electronics Special... |
USA |
|
| Nimo-BA0000-P31 |
|
| IEE, Industrial Electronic E... |
USA |
|
| TL083 |
|
| Texas Instruments, Dallas |
USA |
|
| WM26 |
|
| Westinghouse El. & Mfg. Co. ... |
USA |
|
| 1AH4 |
|
| Common type USA tube/semicond. |
USA |
|
| 1D21 |
|
| Sylvania (Hygrade, GTE, Nilc... |
USA |
|
| 1N21C |
|
| Common type USA tube/semicond. |
USA |
|
| 1N23E |
|
| Common type USA tube/semicond. |
USA |
|
Siegfried Neumann started his/her tube collection (valve collection) here on 04.Nov.2010.
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