Home / WE274B Tube 274B Upgrade 5U4G 5Z3P 5R4 5AR4 GZ34 5Z4P HiFi Audio Tube Amplifier(1 pcs)
  • WE274B Tube 274B Upgrade 5U4G 5Z3P 5R4 5AR4 GZ34 5Z4P HiFi Audio Tube Amplifier(1 pcs)
  • WE274B Tube 274B Upgrade 5U4G 5Z3P 5R4 5AR4 GZ34 5Z4P HiFi Audio Tube Amplifier(1 pcs)
  • WE274B Tube 274B Upgrade 5U4G 5Z3P 5R4 5AR4 GZ34 5Z4P HiFi Audio Tube Amplifier(1 pcs)
  • WE274B Tube 274B Upgrade 5U4G 5Z3P 5R4 5AR4 GZ34 5Z4P HiFi Audio Tube Amplifier(1 pcs)

WE274B Tube 274B Upgrade 5U4G 5Z3P 5R4 5AR4 GZ34 5Z4P HiFi Audio Tube Amplifier(1 pcs)

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  • Detail

    Preamps
    WE274B
    The glass-enclosed eight-pin direct-heated full-wave rectifier is similar to 5U4G and 5Z3P and can be interchanged.
    Filament Heating
    Voltage
    If 2A
    Extreme Rating
    Peak anode reverse voltage................................1550V
    Peak anode current......750mA
    Recommended working status
    Anode power supply voltage 2×500V
    Impedance of each arm 75
    Load impedance 2000
    Filter capacitor 4F
    Rectification current 220mA

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