| Manufacturer | Part Number | Description |
|---|---|---|
Philips Semiconductors |
EF89 | R.F. Pentode 1969 |
|
Philips Semiconductors |
EF89 | Pentode 1955 |
| BRIMAR BRIMAR | EF89 | R.F. Pentode |
MAZDABELVU |
EF89 | Pentode |
| La Radiotechnique La Radiotechnique | EF89 | Pentode |