Youda Audio Co. Limited
Youda Audio Co. Limited Professional Audiophile HIFI DIY Audio Electronic Parts Supplier
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Stereo Vacuum Tubes PSVANE HIFI 274B Vacuum Valve Tube Full-wave rectifier
Item specifics:
Type: Vacuum tube
Brand: PSVANE
Model: HIFI 274B
Country/Region of Manufacture: China
274B
Hi-Fi Series: classic style, exquisite craft, comprehensive and balanced sound performance, largest sales volume over the world, best choice for you .
Glass shell eight feet directly heated full-wave rectifier,274B is very similar with 5U4G and 5Z3P, which can be replaced by each other.
Heater
Uf………………5V
If…………… 2.5A
Maximum Rating
anode inverse peak voltage……………1550V
anode peak current ………750mA
Recommend working condition
Anode supply voltage 2×500V
Each arm impedance 75Ω
load impedance 2000Ω
Filter capacitor 4μF
Rectifier current ≧230mA
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