| Part Number | EF89 |
| Manufacturer | Philips |
| Title | Pentode 1955 |
| Description | page 1 2 3 4 5 6 7 8 9 10 11 EF89 sheet 1 2 3 A B C D E F G FP date 1955.12.12 1955.12.12 1955.04.04 1955.04.04 1955.03.03 1955.03.03 1955.03.03... |
| Features |
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| Datasheet |
 EF89 Datasheet
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