PSVANE Vacuum Tube Acme 274B Replace 274B 5U4 5U4G 5Z3P 5Z3PAT Electron Tube 1PC Brand New

PSVANE Vacuum Tube Acme 274B Replace 274B 5U4 5U4G 5Z3P 5Z3PAT Electron Tube 1PC Brand New

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Model: PSVANE Acme Serie 274B
Shipping Weight: 2.5Kg Product Quantity: 9 Units in Stock
$267.99USD
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this is the pice for one piece

if you need pair, please order 2 piece, we will matched pair for you

Brand new PSVANE Premium ACME Series Vacuum Tubes
Model No.: ACME 274B/A274B​ (Replace other 274B tubes directly)
Aluminum teflon tube base
Factory test&match pair, luxury gift box
Warranty: 12 Months
The price is for 1 PAIR/lot

A274B
Filament heating
Uf..................5V
If............... 2A
Limit rating
Anode reverse voltage peak...............1550V
Anode current peak .........750mA
Recommended work status

Anode supply voltage 2 × 500V
75Ω per arm impedance
Load impedance 2000Ω
Filter capacitor 4μF
Rectified current ≧220mA