1-4 unidades/lote 274B PSVANE Válvula de audio HIFI de vacío Amplificador de tubo electrónico DIY emparejado

Brand new Fire Crew PSVANE 274B Rectifier Vacuum Tube Replace 5U4G 5U4GB WE274B 5Z3P 5R4 5AR4 GZ34 5Z4P 274BT for HIFI Audio Valve Electronic Tube Amplifier Kit DIY Factory Genuine Precision Tested and Matched Quad 274B The glass shell eight pin direct heating full wave rectifier tube is similar to 5U4G and 5Z3P and can be interchanged. Filament heating Uf...... 5V If...... 2.5A Extreme rated value Peak anode reverse voltage...... 1550V Peak anode current... 750mA Recommended working status Anode supply voltage 2 × 500V Impedance per arm 75 Ω Load impedance 2000 Ω Filter capacitor 4 μ F Rectification current ≥ 230mA The shop promises: The electronic tubes operated by our store are guaranteed to be brand new and high quality generic products from the original factory, and we will provide free replacements for any quality problems within 1 years All tubes are rigorously tested to match. Buy 2pcs=Precision matched pair Buy 4pcs=Precision Matched Quad We have the conditions and advantages to match multiple tubes (four tubes, eight tubes) according to customer needs The same parameters It is a professional shockproof and firm package It is absolutely safe Note: It will be shipped after strict inspection again (please do not think it is a fake and shoddy product after receiving the tube).