Psvane Valvola elettronica a tubo sottovuoto

These are the latest release from Psvane Audio as their affordable series for everyone.  It inherits the warm sound of Chinese 300B tubes compared to the dry sounding Russian tubes, but also offer you incredible details at a small price tag.  Features:  Clear glass enclosure  White ceramic base  Gold coated pins  Can replace all standard Shuguang 300B tubes  Factory matched pair – each tube packed in its own box  Some precautions about using high...

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 

  Product parameters: ECC82|12AU7 The medium μ dual three-pole small nine-pin tube is used for inverting drive push-pull amplification in the amplifying circuit. Hot wire voltage UH 6.3 (parallel) 12.6 (string) V IH 0.30 0.15 A Limit value for A1 zoom (each side) Anode voltage 300 V Anode dissipation power 2.75 W Maximum cathode current 20 mA Gate voltage -50 V Voltage between hot wire cathodes (pk) ±200 V Gate resistance When self-biased: 1 MΩ Fixed voltage: 0.25 MΩ...

Product parameters: The high-μ low-noise dual three-pole small nine-pin tube is used for voltage amplification in the audio amplifier circuit, and the inversion drive push-pull amplification. Hot wire heating UH 6.3 (parallel) 12.6 (string) V IH 0.30 0.15 A Limit value for A1 zoom (each side) Anode voltage 330 V Anode negative voltage -50 V Positive grid voltage 0 V Anode dissipation power 1.2 W Voltage between hot wire cathodes (pk) ±180 V Interelectrode capacitance   No.1 No.2...

The price is for 1 pair (2 pcs).  Heater  UH………… 6.3 V  IH ………… 0.6A  Static Parameter  Ua ………………………… 90 250 V  Ug………………………… 0 -8V  Ia ………………………… 10 9 mA ...

PSVANE Vacuum Tube KT88-T II classic Grade Matched Quad(4) PSVANE KT88-T MK II tube 100% Brand New 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...

The price is for a pair of 2A3-TII hi-end vacuum tube (2 pcs).  The 2A3-TII direct heating cathode power double triode is used for A1 and AB1 class amplification. All items guaranteed 100% BRAND NEW in the original edition Box.  ONE-YEAR WARRANTY !!!  Filament heating  Uf .............................. 2.5 V  If .............................. 2.5 A  Static parameters  Ua .............................. 300 V  -Ug .............................. 45 V ...