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$3,600.00
  • 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$4,200.00
  • 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$4,500.00
  • 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$5,100.00
  • KR AUDIO KT88 真空管
    BRAND NEW - JUST ARRIVED - NEW PRODUCTION. The new KR Audio KT88 has thoroughly convinced us. Therefore, we proudly announce and present the very best of all KT88 tubes. Stunning definition, amazing details, cozy warmth, sweet clarity and a very well balanced harmonic spectrum, right out of bo..
    HK$2,100.00
  • KR AUDIO KT150 真空管
    Specification General data Filament specifications: DC/AC Voltage 6.3 V DC/AC Current 2.0 A Amplification Factor 8 Power Amplifier class A1 Maximum DC Plate Voltage 850 V DC Screen Grid 650 V Dissipation Pa/Pg2 70/9 W DC Cathode..
    HK$4,200.00
  • 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$6,300.00
  • 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$5,700.00
  • KR AUDIO 274B 真空管
    Specification Filament specifications: DC/AC Voltage 5 V DC/AC Current 2 A Full-wave, Thermionic High Vacuum Rectifier Maximum Ratings With Choke-Input Filter: A-C Plate Voltage per Plate (RMS) 660 volts D-C Output Current 225 ma Minimum In..
    HK$4,050.00
  • KR AUDIO 5U4G 真空管
    Specification KR Audio 5U4G With Choke-Input Filter AC Plate Voltage per Plate (RMS) 550 Volts DC Output Current 225 mA Minimum Input-Choke Inductance 3 henrys With Capacitor-Input Filter AC Plate Voltage per Plate (RMS) 450 Volts DC Output Cur..
    HK$4,050.00
  • 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$3,900.00
  • 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$3,900.00
  • KR AUDIO KR45 真空管
    Specification Filament specifications: Voltage 2.5 V Current 1.3 A Amplification Factor 3.5 DC Plate Voltage 300 V DC Plate Current 50 mA Dissipation 15 W DC Plate Voltage 250 V DC Plate Current 34 mA Grid Voltage -50 V ..
    HK$3,300.00
  • KR AUDIO KR242 真空管
    ..
    HK$4,200.00
  • 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$5,100.00
  • 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$2,700.00
  • 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$6,300.00
  • 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$18,000.00
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