| Below is a table listing tubes starting with the letter F used in shortwave transmitters. For specifications of a particular tube, click on the appropriate type number. |
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| SHORTWAVE RADIO BROADCAST TUBES F - SERIES |
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| Type number | EIA | Plate dissipation | Price level |
| FC734F | - | 2000 | 4 |
| FD003Z | 8351 | 100,000 | 5 |
| FU115F | - | 1600 | 4 |
| FU616C | - | 120,000 | 5 |
| FU618F | 8169 | 3500 | 4 |
| F-1099 | - | 12,000 | 4 |
| F-6804 | - | 25,000 | 4 |
| F-8133 | - | 10,000 | ? |
| F-8388 | - | 100,000 | ? |
| F-8550 | - | 45,000 | ? |
| PRICE LEVELS (US$) | |||||
| 1 | 2 | 3 | 4 | 5 | 6 |
| 0 - 10 | 10 - 100 | 100 - 1000 | 1000 - 10,000 | 10,000 - 50,000 | 50,000 - 100,000 |