PSVANE TREASURE Series 300B-Z Vacuum Tube Amplifier Tubes Matched Pair (2 PACK)

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Filament Voltage and Current

Uf .............................................. 5 V
If ............................................... 1.2 A


Maximum Ratings

Parameter Value
Anode Voltage (Ua) 480 V
Anode Dissipation Power (Pa) 40 W

Cathode Current

  • Self-Bias ......................... 100 mA
  • Fixed Bias ........................ 70 mA

Inter-Electrode Capacitance

Parameter Value
Input Capacitance 9 pF
Output Capacitance 4.3 pF
Cross-Coupling Capacitance 15 pF

Static Parameters

Parameter Value
Anode Voltage (Ua) 300 V
Grid Voltage (Ug) -60 V
Anode Current (Ia) 60 mA
Transconductance (Gm) 5.5 mA/V
Internal Resistance (Ri) 0.7 kΩ
Amplification Factor (μ) 3.85
Output Power (Pout) 6.6 W