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Your position: Home / Audio/HiFi accessories / Audio tubes / Hifi tubes

1PC New TJ Fullmusic 274B/n 274BN Vacuum Rectifier Tube Mesh Plate Replace 274B 5U4G For Hifi Vintage Amplifier DIY

EAT07113
EECTECH strictly screens products to provide audio enthusiasts with high-quality audio tubes and amplifier accessories, friends you can rely on
Price:
USD
$131.40
Wholesale:
2+
$122.64
  • 274B/n:
    DOME type
    Eggplant shell
Quantity:
-
+
(50 available)
Shipping Cost:
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Estimated Delivery Time:
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  • Description
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Description:
1. Direct replacement of brands 5U4G / 5Z3P / GZ34 / 5AR4 / 274B tubes, etc.
2. If there is no prompt, the default delivery is black bakelite, the appearance is shipped randomly

Features: It is a dome-shaped or eggplant-shaped glass bulb, four-legged bakelite gold-plated seat, solid, mesh plate electrode, direct thermal oxide cathode double diode.
Uses: used for full-wave rectification power supply, rectified current up to 112mA.


Standard working status and parameters:
Filament voltage * ……………………………………………………………… 5.0V
Filament current …………………………………………………………………… 2.0A

L-C filter
R-M-S AC plate voltage ....................................... 550V
Total rectified current .................................................................. 112mA
C-L-C filter
R-M-S AC plate voltage …………………………………… 450V
Total rectified current .................................................................. 98mA
* AC or DC power supply.


Limit working value:
LC input filter
1. The maximum AC voltage of each anode of R-M-S …………………… 550V
Maximum rectified current …………………………………… 140mA
2. The maximum AC voltage of each anode of R-M-S …………………… 660V
Maximum rectified current .............................. 120mA
C-L-C input filter
R-M-S Maximum AC voltage of each anode ... 450V
Maximum rectified current ...................................................... 105mA
Note: The input capacitor of the filter should be less than 4μF.




For large quantities, please contact EECTECH for a good price


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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