Shuguang Treasure 2A3C-Z electron tubes can replace of 2A3 Best Matched Pair 100% Brand new The price is for a Best Matched Pair of Shuguang Treasure 2A3C-Z vacuum tubes. If you buy 2pair(4 pcs), we will send the Factory Full Matched tubes to you.
Shuguang Treasure 2A3C-Z is a directly-heated cathode power dual triode tubes. Work on Class A1, AB1 amplifier.
Feature: Using "High Polymer Compound Carbon (HPCC)" technology; Using "Super Alloy " technology; Improve the vacuum extraction technology, effectively improve the vacuum; Gold gate, gold-plated pin, white porcelain seat; Using new materials and processes 2A3C-Z and 2A3 are similar, can be used interchangeably.
Specification:
Filament heating Uf ......... 2.5 V If ......... 2.5 A
Limit rating Anode voltage ......... 300 V Anode dissipation power ......... 15 W Gate resistance Self-bias ......... 0.5 MΩ Fixed bias when ......... 0.05 MΩ
Static parameters Ua ......... 300 V -Ug ......... 45 V Ia 60 mA Gm 5.25 mA / V ri 0.8 kΩ μ ......... 4.2 Pout ......... 3.5 W
Recommended working status (reference value) Single tube Class A1 amplifier (fixed bias) Ua ....... 250 V -Ug ... 45 V RL ... 2.5 kΩ Ia (0) 60 mA Gm ... 5.25 Ma / V ri . 0.8 Kω μ . 4.2 Pout ... 3.5 W Dtot ... 5%
Push-pull Class AB1 amplifier
Fixed bias self-bias Ua ........ 300 300 V -Ug ........ 62 Rk = 780Ω V RL ........ 3 5 kΩ üg (pk) .. 87 110 V Ia (0) ..... 80 80 mA Ia (max.sig) ... 140 100 mA Pout ........ 15 10 W Dtot ........ 2.5 5%
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
Customers who bought this product also purchased...