Description
AudioMagical introduces most of all PX25 type made from 1932 up to the 1960s
Pair Marconi PX25A power amplifying valves of extremely high efficiency designed with a large power handling capacity to supply considerable undistorted volume.
They intended for use in the last stage of Low Frequency Amplifiers where provision is made for adequate high tension supply. When operating the PX25A valve, arrangement should be made for sufficient air circulation to prevent over-heating
Filament Voltage 4
Filament Current 2 amps
Anode Volts 400
Grid Volts -100
Anode Current Average 62
Anode Dissipation 25 Watts
Mutual Conductance mA/V 3.7
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