真空管

  • KR AUDIO 2A3 真空管
    Maximum Plate Voltage 300 V Maximum Plate Current 100 mA Plate Dissipation 15 Watts Va 250 V Ia 70 mA Vg -45 V Transconductance 5.2 mA/V Amplification Factor 3.8 ..
    HK$3,100.00
  • KR AUDIO 300B 真空管
    Maximum Plate Voltage 550 V Maximum Plate Current 120 mA Plate Dissipation 50 Watts Va 450 V Ia 100 mA Vg -90 V Transconductance 6.2 mA/V Amplification Factor 3.9 ..
    HK$3,800.00
  • KR AUDIO 300B BALLOON 真空管
    Maximum Plate Voltage 550 V Maximum Plate Current 120 mA Plate Dissipation 50 Watts Va 450 V Ia 100 mA Vg -90 V Transconductance 6.2 mA/V Amplification Factor 3.9 ..
    HK$4,100.00
  • KR AUDIO 300B XLS 真空管
    Maximum Plate Voltage 600 V Maximum Plate Current 160 mA Plate Dissipation 70 Watts Va 450 V Ia 100 mA Vg -94 V Transconductance 5.7 mA/V Amplification Factor 3.7 ..
    HK$4,500.00
  • KR AUDIO 845 真空管
    Maximum Plate Voltage 1250 V Maximum Plate Current 140 mA Plate Dissipation 100 Watts Va 650 V Ia 90 mA Vg -68 V Transconductance 3.0 mA/V Amplification Factor 5.5 ..
    HK$5,700.00
  • KR AUDIO 211 真空管
    Maximum Plate Voltage 1250 V Maximum Plate Current 140 mA Plate Dissipation 100 Watts Va 650 V Ia 90 mA Vg -15 V Transconductance 4.0 mA/V Amplification Factor 12 ..
    HK$5,300.00
  • KR AUDIO PX4 真空管
    Maximum Plate Voltage 350 V Maximum Plate Current 60 mA Plate Dissipation 20 Watts Va 250 V Ia 48 mA Vg -32 V Transconductance 5.1 mA/V Amplification Factor 5.0 ..
    HK$3,700.00
  • KR AUDIO PX25 真空管
    Maximum Plate Voltage 500 V Maximum Plate Current 90 mA Plate Dissipation 30 Watts Va 400 V Ia 63 mA Vg -31 V Transconductance 7.4 mA/V Amplification Factor 9.5 ..
    HK$3,600.00
  • KR AUDIO 842VHD 真空管
    Maximum Plate Voltage 600 V Maximum Plate Current 150 mA Plate Dissipation 65 Watts Va 450 V Ia 100 mA Vg -94 V Transconductance 5.7 mA/V Amplification Factor 3.7 ..
    HK$4,500.00
  • KR AUDIO T100 真空管
    Maximum Plate Voltage 1000 V Maximum Plate Current 140 mA Plate Dissipation 100 Watts Va 650 V Ia 90 mA Vg -87 V Transconductance 4.4 mA/V Amplification Factor 5.3 ..
    HK$5,700.00
  • KR AUDIO T1610 真空管
    Maximum Plate Voltage 650 V Maximum Plate Current 250 mA Plate Dissipation 150 Watts Va 400 V Ia 160 mA Vg -83 V Transconductance 9.9 mA/V Amplification Factor 3.7 ..
    HK$16,500.00
  • KR AUDIO 5U4G 真空管
    KR Audio produces the best tubes in the world. As the whole production KR Audio, the 5U4G tube is built without compromise to get the best result possible quality. There is the better choice. The price is for matched pair. ..
    HK$3,900.00
  • KR AUDIO 274B 真空管
    ..
    HK$3,900.00
  • KR AUDIO MARCONI "R" 真空管
    Maximum Plate Voltage 180 V Maximum Plate Current 2 mA (Vf=4V,Vg=0V) Va 120 V Ia 1 mA Vg -0.5 V Transconductance 0.3 mA/V Filament Voltage 4 V (DC/AC) Filament Current 0.6 ..
    HK$2,300.00
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