Home / 211 A211 Tube Upgraded Version WE211 E211 HiFi Audio Tube Amplifier kit DIY Matching Four-Way(4pcs Matched Quad)
  • 211 A211 Tube Upgraded Version WE211 E211 HiFi Audio Tube Amplifier kit DIY Matching Four-Way(4pcs Matched Quad)
  • 211 A211 Tube Upgraded Version WE211 E211 HiFi Audio Tube Amplifier kit DIY Matching Four-Way(4pcs Matched Quad)
  • 211 A211 Tube Upgraded Version WE211 E211 HiFi Audio Tube Amplifier kit DIY Matching Four-Way(4pcs Matched Quad)
  • 211 A211 Tube Upgraded Version WE211 E211 HiFi Audio Tube Amplifier kit DIY Matching Four-Way(4pcs Matched Quad)

211 A211 Tube Upgraded Version WE211 E211 HiFi Audio Tube Amplifier kit DIY Matching Four-Way(4pcs Matched Quad)

Preamps
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  • Detail

    Preamps
    Static parameters
    Ua----------------------------------------1250V
    -Ug----------------------------------------70V
    Ia------------------------------------------------- 100 mA
    Gm--------------------------------------3.8 mA/V
    Current value (Ia=75mA)-----------------12
    RL----------------------------------------7 K
    Pout------------------------------------10 W
    Recommended operating conditions (reference values)
    Double-barreled A-class (AF):
    Typical operating limit parameters
    Ua-------- 750 1000 1250 1250 V
    Pa----------------------------- 75 W
    -Ug----------- 46 61 80 V
    Ug (peak)--------- 41 56 75 V
    Ia(0)----------- 34 53 60 mA
    Li--------- 4.4 3.8 3.6 K
    RL-------- 8.8 7.6 9.2 K
    Pout-------------- 5.6 12 19.7 W

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