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.



AA 52B-S

Plate Voltage

570 V

Plate Current

130 mA

Plate Current

190 mA max.

Plate Dissipation

78 W


7 mA / V

Grid Voltage

-133 V

Grid Resistor

47K Ohms

Amplification Factor


Plate Impedance

470 Ohms

Load Impedance

1000 - 2400 Ohms


<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

All Ayon vacuum tubes possess a vacuum of 10-9 Torr, a maximum grid current of 2.2 microampere and absolutely constant emission.