Home / 2A3 2A3-TII Classic Vacuum Tube Replacement 2A3C 2A3B for HiFi Audio Tube Amplifier kit DIY Matching Four-Way(2pcs Matched Pair)
  • 2A3 2A3-TII Classic Vacuum Tube Replacement 2A3C 2A3B for HiFi Audio Tube Amplifier kit DIY Matching Four-Way(2pcs Matched Pair)
  • 2A3 2A3-TII Classic Vacuum Tube Replacement 2A3C 2A3B for HiFi Audio Tube Amplifier kit DIY Matching Four-Way(2pcs Matched Pair)
  • 2A3 2A3-TII Classic Vacuum Tube Replacement 2A3C 2A3B for HiFi Audio Tube Amplifier kit DIY Matching Four-Way(2pcs Matched Pair)
  • 2A3 2A3-TII Classic Vacuum Tube Replacement 2A3C 2A3B for HiFi Audio Tube Amplifier kit DIY Matching Four-Way(2pcs Matched Pair)
  • 2A3 2A3-TII Classic Vacuum Tube Replacement 2A3C 2A3B for HiFi Audio Tube Amplifier kit DIY Matching Four-Way(2pcs Matched Pair)

2A3 2A3-TII Classic Vacuum Tube Replacement 2A3C 2A3B for HiFi Audio Tube Amplifier kit DIY Matching Four-Way(2pcs Matched Pair)

Preamps
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  • Detail

    Preamps
    Filament Heating
    2.5V voltage
    If 2.5 A
    Static parameters
    UA300V
    -Ug45V
    Current 60 mA
    On-resistance 5.25 mA/V
    0.8 thousand
    Four point two
    Water output 3.5W
    Extreme Rating
    Anode voltage: 300V
    Anode power dissipation..................................15 W
    Grid resistance
    When the self-bias voltage is 0.5 MΩ
    Fixed bias voltage: 0.05 M
    Interelectrode capacitance
    Input capacitance ................................. 7.5 pF
    Output capacitance .................................16.5PF
    Inter-circuit capacitance..................................5.5 pF

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