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Psvane 274B-T MKII

Chinese Psvane 274B-T MKII.
The grey glass is a upgrade of black glass treasure series.
Glass shell eight feet directly heated full-wave rectifier,274B is very similar with 5U4G and 5Z3P, which can be replaced by each other.

Psvane 274B-T MKII
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Description

Psvane 274B-T MKII

Psvane 274B-T MKII

Psvane 274B-T MKII

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 ≧220mA

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