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Psvane / Hi-Fi Series / 274B
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Psvane / Hi-Fi Series / 274B

Hi-Fi Series: classic style, exquisite craft, comprehensive and balanced sound performance, largest sales volume over the world, best choice for you .

274B

      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