Vacuum Tube Rectifier 572B Vacuum Tube Replace 572B HiFi Audio Valve Electron Tube Amplifier Kit DIY Factory Matched Quad(1pcs)
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
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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
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Hign-concerned Chemical : None
Channels : 1
Model Number : 572B
Maximum Power Per Channel : NO POWER
Origin : Mainland China -
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