The price is for Matched Sextets(6pcs) 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...

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 The price is for 1 PAIR/lot 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 per...

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...

Glass shell eight feet directly heated full-wave rectifier，274B TII is very similar with 5U4G and 5Z3P, which can be replaced by each other.  Specifications:  Heater  Uf………………5V  If…………… 2.5A  Maximum Rating  anode inverse peak voltage……………1550V  anode peak current ………750mA  Recommend working condition  Anode supply...

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...

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...

PSVANE 6SN7-SE is double triode, used in voltage amplification circuit, can directly replace 6N8P and 6SN7GT. Heater UH………… 6.3 V IH ………… 0.6 A Static Parameter Ua ……………………90 250 V Ug………………………… 0 -8V Ia ………………………… 10 9 mA...

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...

Brand new PSVANE Premium ACME Series Vacuum Tubes Model No.: ACME 300B  (One Pair in a luxury gift box, replace other 300B tubes directly) Aluminum Teflon Tube Base Warranty: 24 Months The price is for 1 PAIR/LOT  (FACTORY TEST&MATCH) Heater Uf(DC)………………5V  If(DC) …………… 1.2A  Maximum Rating  Ua……………480V  Pa………40W  Ik with...