Home / 274B-TII Tube Replaces 274B Vacuum Tube for Precision Matching Amplifier(2 pcs)
  • 274B-TII Tube Replaces 274B Vacuum Tube for Precision Matching Amplifier(2 pcs)
  • 274B-TII Tube Replaces 274B Vacuum Tube for Precision Matching Amplifier(2 pcs)
  • 274B-TII Tube Replaces 274B Vacuum Tube for Precision Matching Amplifier(2 pcs)

274B-TII Tube Replaces 274B Vacuum Tube for Precision Matching Amplifier(2 pcs)

Preamps
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  • Detail

    Preamps
    Heater
    Voltage
    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 220mA

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