Home / Vacuum Tube Rectifier 572B Vacuum Tube Replace 572B HiFi Audio Valve Electron Tube Amplifier Kit DIY Factory Matched Quad(1pcs)
  • Vacuum Tube Rectifier 572B Vacuum Tube Replace 572B HiFi Audio Valve Electron Tube Amplifier Kit DIY Factory Matched Quad(1pcs)
  • Vacuum Tube Rectifier 572B Vacuum Tube Replace 572B HiFi Audio Valve Electron Tube Amplifier Kit DIY Factory Matched Quad(1pcs)
  • Vacuum Tube Rectifier 572B Vacuum Tube Replace 572B HiFi Audio Valve Electron Tube Amplifier Kit DIY Factory Matched Quad(1pcs)

Vacuum Tube Rectifier 572B Vacuum Tube Replace 572B HiFi Audio Valve Electron Tube Amplifier Kit DIY Factory Matched Quad(1pcs)

Preamps
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.
Dur
Quantity
ADD TO CART
BUY IT NOW
  • Detail

    Preamps
    572B Directly heated cathode high µ triode 572B used for oscillation and power amplification in the radio device
    Filament heating
    Uf:6.3V
    If:4A
    Limit rating
    Anode voltage: 1250V
    Anode current at maximum signal: 210 mA
    Anode dissipation power: 125 W
    Grid current: 50mA
    Interelectrode capacitance
    Input capacitance: 6PF
    Output capacitance: 0.9PF
    Cross circuit capacitance: 5.9PF
    Static parameters
    Ua: 2000V
    -Ug: 2V
    Ia: 32mA
    µ (when Ia=20mA): 190
    Recommended working state (reference value)
    Single tube type A1 amplification (single end)
    Ua: 750
    Ug: 30
    Ia(0): 130
    Ia(max.sig): 210
    U(g-g.pk) : 60
    Ia(max.sig):210
    RL: 5
    Pout (when Dtot=5%): 40
    Push pull type AB2 amplification
    Ua: 1000
    Ug: 20
    Ia(0) : 75
    Ia(max.sig): 300
    U(g-g.pk) : 195
    RL: 8
    Pout (when Dtot=5%): 150
    ==========
    Hign-concerned Chemical : None
    Channels : 1
    Model Number : 572B
    Maximum Power Per Channel : NO POWER
    Origin : Mainland China

  • Customer Reviews
    No comments