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

#274B,PSVANE TUBES,Hi-Fi Series.

Pallet Cushion

ShockWatch Label

Latches/Lock

Knobs

Handles

Tape

Corners

Castor

Hinges

Wall-Mounted Boiler Parts

Dishes

Switch

Screw

XLR Connector

Protable tablet PC

Rubber/Steel Feet

Tolex

Grille Cloth

FOAM/Non-woven fabrics

Piping/String

Rack Shelves

Klimp

Top Hats

Flying Tracks

Accessories

Psvane Tubes

Shuguang Tubes

Cases

Fan

Keyboard

Electronic product

Lighting

Power supply

Water Blocks

HiFi Speaker

Bluetooth Speaker

Earphone

#274B,PSVANE TUBES,Hi-Fi Series.

a269 tube

a213 t11 tube

astm a213 tp347 tube