Home / Vacuum Tube Rectifier Vacuum Tube 2A3-TII Collection Version Upgrade 2A3C 2A3B HiFi Audio Valve Electronic Tube Amp DIY(4pcs Matched)
  • Vacuum Tube Rectifier Vacuum Tube 2A3-TII Collection Version Upgrade 2A3C 2A3B HiFi Audio Valve Electronic Tube Amp DIY(4pcs Matched)
  • Vacuum Tube Rectifier Vacuum Tube 2A3-TII Collection Version Upgrade 2A3C 2A3B HiFi Audio Valve Electronic Tube Amp DIY(4pcs Matched)
  • Vacuum Tube Rectifier Vacuum Tube 2A3-TII Collection Version Upgrade 2A3C 2A3B HiFi Audio Valve Electronic Tube Amp DIY(4pcs Matched)
  • Vacuum Tube Rectifier Vacuum Tube 2A3-TII Collection Version Upgrade 2A3C 2A3B HiFi Audio Valve Electronic Tube Amp DIY(4pcs Matched)

Vacuum Tube Rectifier Vacuum Tube 2A3-TII Collection Version Upgrade 2A3C 2A3B HiFi Audio Valve Electronic Tube Amp DIY(4pcs Matched)

vacuum tube
The has good linearity low noise and good reliability
The tube is designed for service as power rectifiers in AC operated receivers which require high currents.
The service life longer and the failure rate greatly reduced.
The special with signal and has low noises output.
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  • Detail

    vacuum tube
    2A3-TII direct heated cathode medium power double triode is used for A1 and AB1 amplification.
    Filament heating
    Uf2.5 V
    If2.5 A
    Static parameters
    Ua300 V
    -Ug 45 V
    Ia60 mA
    Gm5.25 mA/V
    ri0.8 k
    four point two
    Pout3.5 W
    Limit rating
    Anode voltage................................. 300 V
    Anode dissipation power.................................... 15 W
    Grid resistance
    In case of self bias................................. 0.5 M
    When the bias voltage is fixed................................. 0.05 M
    Interelectrode capacitance
    Input capacitance................................. 7.5 PF
    Output capacitance.................................... 16.5 PF
    Cross circuit capacitance.................................... 5.5 PF
    ==========
    Channels : 1
    Model Number : 2A3-TII
    Maximum Power Per Channel : NO POWER
    Origin : Mainland China

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