6N24P / ECC89 / 6FC7 double HF triode The 6N24P double triode is designed to amplify high-frequency voltage in cascode circuits. Filament voltage 6.3 V Filament current 0.31 A Anode voltage 90 V Anode current 15 mA Grid voltage 9 V 12 mA / V slope Gain 34 Inter-electrode capacitance lamp 6N24P Input 3.9 pF Output 2 pF 1.3 pF pass Between the anodes 0.03 pF Ultimate performance data tube 6N24P The highest anode voltage is 300 V Maximum power dissipated by the anode 1.6 W