AA 52B-S
This very powerfull tube is recommended for all new 52B designs. All critical parts, like filaments, grids and plates are constructed from hard metal for higher quality and reliability.
Specifications
| Tube | AA 52B-S |
| Plate Voltage | 570 V |
| Plate Current | 130 mA |
| Plate Current | 190 mA max. |
| Plate Dissipation | 78 W |
| Transconductance | 7 mA / V |
| Grid Voltage | -133 V |
| Grid Resistor | 47K Ohms |
| Amplification Factor | 4.0 |
| Plate Impedance | 470 Ohms |
| Load Impedance | 1000 - 2400 Ohms |
| THD | <0.1 % |
| Power Output pure Class-A | 27 W |
| Filament Voltage | 4.5 - 5.0 V |
| Filament Current | 2.0 A |
| Tube size incl. Socket | H 205 x 68 mm |
