Excerpt from the tube collection of Karlheinz Fischer. These images (tube photos) were uploaded to the respective tubes or valves by Karlheinz Fischer.
24-G |
|
Heintz & Kaufman Ltd. (Gamma... |
USA |
|
12Z3 |
|
Common type USA tube/semicond. |
USA |
|
12X4 |
|
Common type USA tube/semicond. |
USA |
|
12SQ7 |
1939 |
Common type USA tube/semicond. |
USA |
|
12SN7GT |
|
Common type USA tube/semicond. |
USA |
|
12SG7Y |
|
Common type USA tube/semicond. |
USA |
|
12SG7 |
|
Common type USA tube/semicond. |
USA |
|
12K8 |
1939 |
Common type USA tube/semicond. |
USA |
|
12J5GT |
|
Common type USA tube/semicond. |
USA |
|
12CU5 |
|
Common type USA tube/semicond. |
USA |
|
12BY7 |
|
Common type USA tube/semicond. |
USA |
|
12BF6 |
|
Common type USA tube/semicond. |
USA |
|
12AX7A |
|
Common type USA tube/semicond. |
USA |
|
12AW6 |
|
RCA (RCA Victor Co. Inc.); N... |
USA |
|
12AV7 |
|
Common type USA tube/semicond. |
USA |
|
12AT7WC |
|
Common type USA tube/semicond. |
USA |
|
12AF6 |
|
Common type USA tube/semicond. |
USA |
|
12AF3 |
|
Common type USA tube/semicond. |
USA |
|
12A6 |
|
Common type USA tube/semicond. |
USA |
|
10Y |
|
Common type USA tube/semicond. |
USA |
|
10 |
1925 |
Common type USA tube/semicond. |
USA |
|
9A8 |
|
Common type USA tube/semicond. |
USA |
|
7N7 |
|
Common type USA tube/semicond. |
USA |
|
7H7 |
|
Common type USA tube/semicond. |
USA |
|
7B6 |
1939 |
Common type USA tube/semicond. |
USA |
|
6Y6G |
|
Common type USA tube/semicond. |
USA |
|
6X8A |
|
Common type USA tube/semicond. |
USA |
|
6X5GT |
1938 |
Common type USA tube/semicond. |
USA |
|
6X4W |
|
Common type USA tube/semicond. |
USA |
|
6V6 |
|
Common type USA tube/semicond. |
USA |
|
Karlheinz Fischer started his/her tube collection (valve collection) here on 19.Nov.2005.
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