Psvane Válvula electrónica de tubo de vacío

PSVANE 805A hifi Audio Vacuum Tube a pair amplifier tube 100% Brand NEW The price is for 1 pair (2 pcs), if you buy 2 pair(4 pcs), we will send the Factory full matched tubes to you. 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...

2A3C Directly heated cathode power dual triode for A1, AB1 class amplification. Filament heating Uf: 2.5 V If: 2.5 A Limit Ratings Anode voltage: 300 V Anode dissipation power: 15 W Gate resistance Since the bias voltage: 0.5 MΩ Fixed bias: 0.05 MΩ Electrode capacitance Input capacitance: 7.5 PF Output capacitance: 16.5 PF Cross-Road capacitors: 5.5 PF Static parameters Ua: 300 V -Ug: 45 V Ia: 60 mA Gm: 5.25 mA / V ri: 0.8 kΩ μ: 4.2 Pout: 3.5 W Class A1 single-tube...