Home / 2A3C 2A3 Vacuum Tube Replaces 2A3B E-2A3 2A3-T 2A3-TII WE2A3 HiFi Audio Tube Amplifier kit DIY(4pcs Matched Quad)
  • 2A3C 2A3 Vacuum Tube Replaces 2A3B E-2A3 2A3-T 2A3-TII WE2A3 HiFi Audio Tube Amplifier kit DIY(4pcs Matched Quad)
  • 2A3C 2A3 Vacuum Tube Replaces 2A3B E-2A3 2A3-T 2A3-TII WE2A3 HiFi Audio Tube Amplifier kit DIY(4pcs Matched Quad)
  • 2A3C 2A3 Vacuum Tube Replaces 2A3B E-2A3 2A3-T 2A3-TII WE2A3 HiFi Audio Tube Amplifier kit DIY(4pcs Matched Quad)
  • 2A3C 2A3 Vacuum Tube Replaces 2A3B E-2A3 2A3-T 2A3-TII WE2A3 HiFi Audio Tube Amplifier kit DIY(4pcs Matched Quad)

2A3C 2A3 Vacuum Tube Replaces 2A3B E-2A3 2A3-T 2A3-TII WE2A3 HiFi Audio Tube Amplifier kit DIY(4pcs Matched Quad)

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  • Detail

    Preamps
    .
    2A3C direct-heated cathode medium-power triode for A1Ab1 amplification
    Filament Heating
    Uf----------------2.5V
    Intermediate frequency: 2.5A
    Static parameters
    Voltage source --------------- 300V
    -Voltage-------------45V
    Source ----------------60 mA
    Gm---------------5.25Ma/v
    ri-----------------0.8k
    ----------------4.2
    Pout-------------3.5w
    Extreme Rating
    Anode voltage: 300V
    Anode dissipation power: 15W
    Grid resistance
    Self-bias: 0.5m
    Fixed bias voltage: 0.05m
    Interelectrode capacitance
    Input capacitance----7.5PF
    Output capacitance: 16.5PF
    Cross-circuit capacitance: 5.5PF
    Recommended working status (reference value)
    Single tube class A1 amplifier (fixed bias)
    Voltage----------------250V
    -ug--------------45V
    Remaining--------------2.5k
    Pull-------------60 mA
    Price--------------5.25
    ri-----------------0.8k
    Uh----------4.2
    Output--------------3.5W
    Total---------------5%

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