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
We ship the package within 1-3 days after the payment cleared.*
Shipping via DHL or UPS or FedEx or other express delivery takes 3-7 business days with a tracking number.
Shipping via China Post EMS or HK Post EMS usually takes 7-14 business days with a tracking number.
Shipping via China Post air mail or HK Post air mail usually takes 10-30 business days with a tracking number.
Faster payment, faster delivery.
Buyer pays any import taxes or customs duty.
All items are marked as low value on postal paper for customs to send that our buyers can save some customs fees.
Standard Return Policy:
If the item shows up defective or damaged, please email us immediately.
ONE-YEAR WARRANTY!!!
Brand new replacement with 14 days.
Defective situation must be reported to seller within 14 days upon receipt.
Returned item should be in its original box with all packing materials and shipped to us via a traceable shipping way.
We carefully inspect returned items upon receipt before issuance of refunds or exchanges.
Please allow up to 10 business days for us to process your return.
The customer needs to pay for the shipping costs for returning.
International Shipping:
We ship goods to worldwide. All the packages will come with a tracking number.
Payment Methods
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