Home / 300B-Z Tube Upgrade 300B/4300B/WE300B/PX300B/7300B Amplifier DIY Package(4pcs Matched Quad)
  • 300B-Z Tube Upgrade 300B/4300B/WE300B/PX300B/7300B Amplifier DIY Package(4pcs Matched Quad)
  • 300B-Z Tube Upgrade 300B/4300B/WE300B/PX300B/7300B Amplifier DIY Package(4pcs Matched Quad)
  • 300B-Z Tube Upgrade 300B/4300B/WE300B/PX300B/7300B Amplifier DIY Package(4pcs Matched Quad)

300B-Z Tube Upgrade 300B/4300B/WE300B/PX300B/7300B Amplifier DIY Package(4pcs Matched Quad)

Preamps
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  • Detail

    Preamps
    300B-Z direct-heated cathode medium-power triode is used for class A1 amplification and is suitable for applications requiring an output power of 10W.
    Filament Heating
    Uf----------------5v
    IF --------------1.2A
    Static parameters
    Voltage----------------300V
    -ug--------------60V
    Current value--------------60 mA
    Electrical---------5.25 mA/V
    ri---------------0.7k
    You--------- --------3.85
    Output------------6.6W
    Extreme Rating
    Anode voltage: 480V
    Anode dissipation power: 40W
    Cathode current
    Self-bias voltage------------ 100mA
    When the bias voltage is fixed, 70 mA
    Interelectrode capacitance
    Input capacitance: 9PF
    Output capacitance: 4.3PF
    Inter-circuit capacitance --------------- 15PF

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