Golden Voice 274B+
Direct heat full wave rectifier tube, similar to 5U4G, 5Z3P, can be used interchangeably.
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