Vacuum Tube - 聲輝音響

捷克 KR AUDIO
274B 真空管

HK$ 4,800.00

274B 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...

捷克 KR AUDIO
5U4G 真空管

HK$ 4,800.00

5U4G 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...

捷克 KR AUDIO
300B 真空管

HK$ 4,800.00

300B Maximum Plate Voltage 550 V Maximum Plate Current 120 mA Plate Dissipation 50 Watts Va 450 V Ia 100 mA Vg -90 V Transconductance...

捷克 KR AUDIO
300B BALLOON 真空管

HK$ 5,400.00

300B BALLOON Maximum Plate Voltage 550 V Maximum Plate Current 120 mA Plate Dissipation 50 Watts Va 450 V Ia 100 mA Vg -90 V...

捷克 KR AUDIO
300B XLS 真空管

HK$ 6,000.00

300B XLS Maximum Plate Voltage 600 V Maximum Plate Current 160 mA Plate Dissipation 70 Watts Va 450 V Ia 100 mA Vg -94 V...

捷克 KR AUDIO
2A3 真空管

HK$ 3,900.00

2A3 Maximum Plate Voltage 300 V Maximum Plate Current 100 mA Plate Dissipation 15 Watts Va 250 V Ia 70 mA Vg -45 V Transconductance...

捷克 KR AUDIO
KT88 真空管

HK$ 2,700.00

KT88 BRAND NEW – JUST ARRIVED – NEW PRODUCTION. The new KR Audio KT88 has thoroughly convinced us. Therefore, we proudly announce and present the...

捷克 KR AUDIO
KT150 真空管

HK$ 5,400.00

KT150 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...

捷克 KR AUDIO
845 真空管

HK$ 7,200.00

845 Maximum Plate Voltage 1250 V Maximum Plate Current 140 mA Plate Dissipation 100 Watts Va 650 V Ia 90 mA Vg -68 V Transconductance...

捷克 KR AUDIO
MARCONI “R” 真空管

HK$ 3,000.00

MARCONI “R” 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...

捷克 KR AUDIO
211 真空管

HK$ 6,300.00

211 Maximum Plate Voltage 1250 V Maximum Plate Current 140 mA Plate Dissipation 100 Watts Va 650 V Ia 90 mA Vg -15 V Transconductance...

捷克 KR AUDIO
842VHD 真空管

HK$ 5,700.00

842VHD Maximum Plate Voltage 600 V Maximum Plate Current 150 mA Plate Dissipation 65 Watts Va 450 V Ia 100 mA Vg -94 V Transconductance...

捷克 KR AUDIO
KR45 真空管

HK$ 3,900.00

KR45 Specification Filament specifications:Voltage 2.5 VCurrent 1.3 A Amplification Factor 3.5 DC Plate Voltage 300 V DC Plate Current 50 mA Dissipation 15 W DC...