| Below is a table listing tubes starting with the number 4 used in shortwave transmitters. For specifications of a particular tube, click on the appropriate type number. |
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| SHORTWAVE RADIO BROADCAST TUBES 4 - SERIES |
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| Type number | EIA | Plate dissipation | Price level |
| 4-65A | 8165 | 65 | 3 |
| 4-125A | 4D21 | 125 | 3 |
| 4-250A | 5D22 | 250 | 3 |
| 4-400A | 8438 | 400 | 3 |
| 4-500A | - | 500 | 3 |
| 4-1000A | 8166 | 1000 | 4 |
| 4CM100,000A | - | 100,000 | 5 |
| 4CM300,000GA | - | 300,000 | 5 |
| 4CM400,000A/AG | - | 400,000 | 6 |
| 4CM500,000G | - | 500,000 | 5 |
| 4CV50,000E | - | 50,000 | 5 |
| 4CV100,000C | 8351 | 100,000 | 5 |
| 4CV100,000E | - | 100,000 | 5 |
| 4CV250,000B | - | 250,000 | 5 |
| 4CV250,000C | - | 250,000 | 5 |
| 4CW10,000A | 8661 | 12,000 | 4 |
| 4CW25,000A | - | 25,000 | 4 |
| 4CX250B | 7203 | 250 | 3 |
| 4CX300A | 8167 | 300 | 3 |
| 4CX350A | 8321 | 350 | 3 |
| 4CX1500A | - | 1500 | 3 |
| 4CX3000A | 8169 | 3500 | 4 |
| 4CX3500A | - | 3500 | 4 |
| 4CX5000A | 8170 | 5000 | 3 |
| 4CX10,000D | 8171 | 10,000 | 4 |
| 4CX12,000A | 8989 | 12,000 | 4 |
| 4CX15,000A | 8281 | 15,000 | 4 |
| 4CX20,000A | 8990 | 20,000 | 4 |
| 4CX20,000B | - | 20,000 | 4 |
| 4CX35,000C | 8349 | 35,000 | 4 |
| 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 |