Home / 274B Tube Replacement 274B 5Z3P 5U4G WE274B HiFi Amplifier kit DIY(4pcs Matched Quad)
  • 274B Tube Replacement 274B 5Z3P 5U4G WE274B HiFi Amplifier kit DIY(4pcs Matched Quad)
  • 274B Tube Replacement 274B 5Z3P 5U4G WE274B HiFi Amplifier kit DIY(4pcs Matched Quad)
  • 274B Tube Replacement 274B 5Z3P 5U4G WE274B HiFi Amplifier kit DIY(4pcs Matched Quad)
  • 274B Tube Replacement 274B 5Z3P 5U4G WE274B HiFi Amplifier kit DIY(4pcs Matched Quad)

274B Tube Replacement 274B 5Z3P 5U4G WE274B HiFi Amplifier kit DIY(4pcs Matched Quad)

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  • Detail

    Preamps
    Glass-enclosed eight-pin direct-heated full-wave rectifier, 274B is very similar to 5U4G and 5Z3P and can be replaced with each other.
    Heater
    Voltage....................5V
    If ............... 2.5A
    Maximum Ratings
    Anode reverse peak voltage...............1550V
    Anode peak current.........750mA
    Recommended working status
    Anode power supply voltage 2×500V
    Impedance per arm 75
    Load impedance 2000
    Filter capacitor 4F
    Rectification current 230mA

    Model: 274B
    Maximum power per channel: No power supply
    Origin: Mainland China
    Certification: CE
    Product Type: Vacuum tube, electron tube
    Replacement:274B 5Z3P 5U4G WE274B
    Application: tube amplifier, HIFI amplifier, DIY audio amplifier accessories

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