PSVANE (Noble sound) launched in 2011 the history of complete engraved the Western Electric WE300B vacuum tube. The PSVANE for Original work. Then laid its global audio vacuum tube position in the area. Since, Launched a series of beautiful sound of vacuum tube PSVANE classical sections, Becoming the world's top vacuum tube brands .  According to third-party statistics in the field of high-end and top vacuum tube , PSVANE is always the first of the world 's sales .In addition, as a Chinese...

COSSOR authorized production, made by PSVANE. The price is one COSSOR VALVE 274B vacuum tube.  If you need two, we provide the original factory matched All items guaranteed 100% BRAND NEW in the original edition Box. ONE-YEAR WARRANTY !!! 

COSSOR VALVE 6SN7 Hiend Vacuum tubes best matched A Pair NEW made by PSVANE 100% Brand new Britain COSSOR authorized production, made by PSVANE. The price is for A Pair of COSSOR VALVE 6SN7 Britain COSSOR authorized production, made by PSVANE. Carbon Crystal II Generation Technology* Ten years ago, the Noble Voice R&D team applied carbon crystal technology to audio vacuum tubes. The carbon crystal II generation technology further enhances the heat conduction performance on the basis of the...

COSSOR VALVE 845 Hiend Vacuum tubes best matched A Pair NEW made by PSVANE 100% Brand new Britain COSSOR authorized production, made in China by PSVANE. The price is for A Pair of COSSOR VALVE 845 Britain COSSOR authorized production, made by PSVANE. Carbon Crystal II Generation Technology* Ten years ago, the Noble Voice R&D team applied carbon crystal technology to audio vacuum tubes. The carbon crystal II generation technology further enhances the heat conduction performance on the basis...

PSVANE TUBE WR50 is direct-heated type thorium tungsten cathode triode, can be used as class A1 and AB1 amplification.  Typical operating parameter  Heater voltage 7.5 V  Heater current 1.25A  Ua 350V  Grid voltage -63 V  Ia 45 Ma  Internal resistance 4.1K  Amplification coefficient 3.8  Output power 2.4W 

The price is for Matched Octet(8pcs) Brand new PSVANE Premium ACME Series Vacuum Tubes Model No.: ACME 274B/A274B​ (Replace other 274B tubes directly) Aluminum teflon tube base Factory test&match pair, luxury gift box Warranty: 12 Months A274B Filament heating Uf..................5V If............... 2A Limit rating Anode reverse voltage peak...............1550V Anode current peak .........750mA Recommended work status Anode supply voltage 2 × 500V 75Ω...

Brand new PSVANE Premium ACME Series Vacuum Tubes Model No.: ACME 2A3/A2A3 (Replace other 2A3 tubes directly) Aluminum teflon tube base Factory test&match pair, luxury gift box Warranty: 12 Months The price is for 1 PAIR/lot Maximum Rating  Ua…………………………    300         V Pa…………………………    15 ...

Features: Filament heating Uf: 6.3 V If: 4 A Limit rating Anode voltage: 1250 V Anode current: 125mA Anode dissipation power: 40W Grid current: 50mA Interelectrode capacitor Input capacitor: 5.5 PF Output capacitor: 0.6PF Transfer capacitor: 5.5 PF Static parameter Ua: 2000V -Ug: 2V Ia: 260mA μ(When Ia=20mA): 160

300B-SE customized pipe system directly heated cathode power transistor for A1 class amplification. In the audio amplifier output power requirements for adaptation in 10W occasions.   Limit Ratings Anode voltage: 480V Anode dissipation power: 40W Cathode current Self-bias: 100 mA Fixed bias: 70 mA Electrode capacitance Input capacitance: 9PF The output capacitor: 4.3PF Cross-Road capacitors: 15PF Static parameters Ua: 300V -Ug: 60 V Ia: 60mA Gm: 5.5mA / V Ri: 0.7 KΩ μ: 3.85 Pout:...

1, PSVANE T-Collection series MK II use the Carbon Microcrystalline technology. Carbon Microcrystalline is a kind of very stable absorbent (material), and it has excellent heat transfer performance. Carbon Microcrystalline make up stabilization of the electrical performance inside of the Vacuum tube.  2, The PSVANE T-Collection series MK II tube socket is made with Teflon. It is very low electric inductivity, very low dielectric loss, and high breakdown voltage, high electric volume...