Notes: Price = one pairs (2pcs)
1. Voice of Noble has newly developed Acme series electronic vacuum tubes;
2. Innovative filament processing technology, greatly improving the launch capability;
3. Make the sound extraordinary;
4.Replace all models and brands Electron tube
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
For delivery time:
Generally, we will dispatch the items within 7 days upon order confirmation; some items may need 15~21 days to get ready for delivery, then we will try our best to dispatch as soon as possible, or we will contact you and offer advice.
For Bulk order:
If you would like to place a bulk order, please contact us for better price and better delivery cost.
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