TheVV52B blue glass tubes are ultra-linear, low frequency, high power triodes capable of producing 25 watts of pure class-A power. These tubes feature a new ribbon filament construction and the KR Enterprise exclusive patent design with 32 cathodes. The VV52B Series valves possess a vacuum of 10-8 Torr, a maximum grid current of 2.0 microamperes and absolutely constant emission over the life of the tube.

VV52B Specifications

Average Characteristics

Plate Voltage....................500 volts

Plate Current.......................160 mA

Grid Voltage......................-95 volts

Amplification Factor...................4.0

Transconductance...................6000

Plate Resistance...............600 ohms

Load Resistance............2000 ohms

Power Output......................24 watts

THD..................................<0.05%