Psvane Электронный клапан вакуумной трубки

211 is directly heated triode thorium-tungsten cathode, can be used for A, B, C class power amplifier. Filament heating Uf: 10 V If: -3.25 A Electrode capacitance Input capacitance: 6 PF The output capacitor: 5.5 PF Cross-Road capacitors: 14.5 PF Static parameters Ua: 1250 V -Ug: --70 V Ia: 100 mA Gm: 3.8 mA / V u (when Ia = 75mA when): 12 RL: 7 KΩ Pout: 10 W Recommended work status (reference value) Class A single-tube amplification (A-F): Typical operating conditions limit parameters...

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 1 pair (2 pcs).  It is a direct thermal cathode power transistor for A1 type amplification. Adapted to the audio amplifier for output power requirements at 10W.  Filament heating  Uf (DC) .................. 5V  If (DC) ............... 1.2A  Static parameters  Ua ........................ 300V  -Ug ..................... 60V  Ia ........................ 60mA  Gm ........................ 5.5mA / V  ri ........................ 0.7...

Product parameters: The high-μ dual three-pole small nine-pin tube is used for voltage amplification and drive push-pull amplification in the amplifier circuit. 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 300 V Gate voltage -50 V Anode dissipation power 2.5 W Voltage between hot wire cathodes (pk) ±90 V Gate resistance 1 MΩ at self-bias 0.25 MΩ at fixed bias Interelectrode capacitance Grid-grid.........

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...

Product parameters: The same transconductance pentode EL84 has an anode limit dissipation power of 12W, which is used for class A1, AB1, and B amplification in audio amplifiers. Hot wire heating UH 6.3 (parallel) 12.6 (string) V IH 0.30 0.15 A Limit rating Anode voltage 500 V Anode dissipation power 12 W Second gate voltage 300 V Second grid power dissipation 2 W Cathode current 65 mA First gate voltage -100 V Voltage between hot wire cathodes ±100 V First gate resistance 0.3 MΩ at...