Home / WE211 Tube 1:1 Copy WE 211 Upgrade 211 211DG 211T HiFi Audio Tube Amplifier DIY Matching(2pcs Matched Pair)
  • WE211 Tube 1:1 Copy WE 211 Upgrade 211 211DG 211T HiFi Audio Tube Amplifier DIY Matching(2pcs Matched Pair)
  • WE211 Tube 1:1 Copy WE 211 Upgrade 211 211DG 211T HiFi Audio Tube Amplifier DIY Matching(2pcs Matched Pair)
  • WE211 Tube 1:1 Copy WE 211 Upgrade 211 211DG 211T HiFi Audio Tube Amplifier DIY Matching(2pcs Matched Pair)
  • WE211 Tube 1:1 Copy WE 211 Upgrade 211 211DG 211T HiFi Audio Tube Amplifier DIY Matching(2pcs Matched Pair)
  • WE211 Tube 1:1 Copy WE 211 Upgrade 211 211DG 211T HiFi Audio Tube Amplifier DIY Matching(2pcs Matched Pair)

WE211 Tube 1:1 Copy WE 211 Upgrade 211 211DG 211T HiFi Audio Tube Amplifier DIY Matching(2pcs Matched Pair)

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  • Detail

    Preamps
    WE211 direct-heated needle-shaped tungsten cathode triode can be used for ABC power amplification.
    Filament Heating
    Uf-----------------10V
    Intermediate frequency: 3.25A
    Interelectrode capacitance
    Input capacitance: 6PF
    Output capacitor------------- 5.5PF
    Cross-circuit capacitance: 14.5PF
    Static parameters
    Voltage input------------------10V
    Voltage-----------------1250V
    -Uh-------------------70
    La-----------------100 mA
    Voltage------------------3.8mA/V
    U(IA75=75mA) --- 12
    Remaining---------------------7K
    Output power------------------10W
    Recommended working status (reference value)
    Single tube Class A amplifier (AF), limiting parameters under typical working conditions.
    Voltage source -------------750 1000 1250 1250V
    Air pressure-------------75W
    -Ug-----------46 61 80V
    RL-------------8.8 7.6 9.2K
    IA-------------34 53 60MA
    Gm------------3.1 - -mA/V
    ug (peak)-------110 148V
    Daily average----------4.4 3.8 3.6 K
    Phew-----------5.6 12 19.7W

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