Home / 274B MARKII Tube 274B-TII 5U4G 5AR4 GZ34 5Z4P Audio Tube Amplifier(2pcs Matched Pair)
  • 274B MARKII Tube 274B-TII 5U4G 5AR4 GZ34 5Z4P Audio Tube Amplifier(2pcs Matched Pair)
  • 274B MARKII Tube 274B-TII 5U4G 5AR4 GZ34 5Z4P Audio Tube Amplifier(2pcs Matched Pair)
  • 274B MARKII Tube 274B-TII 5U4G 5AR4 GZ34 5Z4P Audio Tube Amplifier(2pcs Matched Pair)
  • 274B MARKII Tube 274B-TII 5U4G 5AR4 GZ34 5Z4P Audio Tube Amplifier(2pcs Matched Pair)

274B MARKII Tube 274B-TII 5U4G 5AR4 GZ34 5Z4P Audio Tube Amplifier(2pcs Matched Pair)

Preamps
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  • Detail

    Preamps
    Filament Heating
    Voltage
    If 2A
    Extreme Rating
    Anode reverse voltage peak 1550V
    Anode current peak 750m
    ARecommended working status:
    Anode power supply voltage 2×500V
    Impedance per arm 75
    Load impedance 2000
    Filter capacitor 4F
    Rectification current 220mA

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