Excerpt from the tube collection of Marcello Astolfi. These images (tube photos) were uploaded to the respective tubes or valves by Marcello Astolfi.
14C5 |
|
Common type USA tube/semicond. |
USA |
|
14E7 |
|
Common type USA tube/semicond. |
USA |
|
14H7 |
|
Common type USA tube/semicond. |
USA |
|
14J7 |
|
Common type USA tube/semicond. |
USA |
|
14Q7 |
|
Common type USA tube/semicond. |
USA |
|
14R7 |
|
Common type USA tube/semicond. |
USA |
|
14W7 |
|
Common type USA tube/semicond. |
USA |
|
14X7 |
|
Common type USA tube/semicond. |
USA |
|
25W4GT |
|
Common type USA tube/semicond. |
USA |
|
32L7GT |
|
Common type USA tube/semicond. |
USA |
|
50B5 |
|
Common type USA tube/semicond. |
USA |
|
84/6Z4 |
|
Common type USA tube/semicond. |
USA |
|
1007 |
|
Common type USA tube/semicond. |
USA |
|
1299A |
|
Common type USA tube/semicond. |
USA |
|
BC212 |
|
Common type Worldwide tube/s... |
ZZ |
|
BC213 |
|
Common type Worldwide tube/s... |
ZZ |
|
BC327 |
|
Common type Worldwide tube/s... |
ZZ |
|
BC328 |
|
Common type Worldwide tube/s... |
ZZ |
|
BY126 |
|
Common type Worldwide tube/s... |
ZZ |
|
Ceramic_substrate |
|
Common type Worldwide tube/s... |
ZZ |
|
ECC85 |
1953 |
Common type Worldwide tube/s... |
ZZ |
|
ECC88 |
|
Common type Worldwide tube/s... |
ZZ |
|
ECF80 |
|
Common type Worldwide tube/s... |
ZZ |
|
ECF801 |
1964 |
Common type Worldwide tube/s... |
ZZ |
|
ECL84 |
|
Common type Worldwide tube/s... |
ZZ |
|
EF86 |
1954 |
Common type Worldwide tube/s... |
ZZ |
|
EL42 |
1947 |
Common type Worldwide tube/s... |
ZZ |
|
EZ81 |
|
Common type Worldwide tube/s... |
ZZ |
|
PCF80 |
1953 |
Common type Worldwide tube/s... |
ZZ |
|
µA703 |
|
Common type Worldwide tube/s... |
ZZ |
|
Marcello Astolfi started his/her tube collection (valve collection) here on 10.May.2015.
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