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| Company | Tradename | Model | Chassis | # Tubes | Tube List | Ballast | I.F. |
|---|---|---|---|---|---|---|---|
| Gamble Skogmo, Inc. | Coronado | 22CM576 | 12 | 4-6K7, 3-76, 3-6F6, 2-80 | 456 | ||
| Gamble Skogmo, Inc. | Coronado | C12A51 | 12 | 3-6SK7, 6SA7, 2-6SQ7, 6J5, 6U5, 2-6V6, 5Y3 | 455 | ||
| Gamble Skogmo, Inc. | Coronado | Z530 | 12 | 3-58, 3-56, 3-59, 2-57, 80 | 175 |