2026 NEW Shuguang Tube 274B(5U4G,5Z3P)Amplifier HIFI Audio Vacuum Tubes
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- Free Shipping & Returns : On all orders over $200
2026 NEW Shuguang Tube 274B(5U4G,5Z3P)Amplifier HIFI Audio Vacuum Tubes
the price is for one piece

Filament voltage
Uf…………………………………………………………….5 V
Current through the filament
If……………………………………………………………..2 A
Maximum allowable values
Peak reverse voltage at the anode………………………………1550 V
Peak current at the anode………………………………………750 mA
Recommended operating conditions
Voltage supplied to the anode…………………………………….2×500 V
Impedance of each arm ……………………………………………75 Ω
Load impedance……………………………………………2000 Ω
Filter capacitor………………………………………………4 μF
Rectified current ………………………………………….≧220 mA
| Weight | 0.22 lbs |
|---|---|
| Dimensions | 7.2 × 6 × 7.8 in |








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