Tubes / semiconductors by category - Base
Selected: 4-pin Philips/Telefunken with bayonet
| Name | Maker | Year | User | Usage | Type | Base |  |
 |
 |
 |
 |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LK4330 | Valvo GmbH | Radio/TV-r | Power/Out | Triode, | 4-pin P | 2 | 6 | 1 | – | – | F | – | 3 | |
| MC1/60 | Philips; E | Power/Out | Transmit | 4-pin P | 3 | 6 | 8 | – | – | – | 1 | |||
| RS247 | Telefunken | Power/Out | Transmit | 4-pin P | 1 | – | 2 | – | – | – | – | |||
3 tubes or semiconductors found.