Octal based full-wave rectifier Psvane 274B-T MKII Tested Tube Replace EH JJ 274B 5U4G 5Z3P

274B is a ilamentary octal based full-wave rectifier designed to supply direct current from an alternating current source.

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

Established in 2007 as an Electronic parts supplier, we start supplying NOS tubes to tube AMP factories since 2010. Nowadays, we are also supplying new tubes and other hifi DIY parts to tube amplifier factories and audiophiles.

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