Matched Pair PSVANE Premium Grade 2A3-T II Mark II Vacuum Tubes Treasure Tube

Description: Matched Pair PSVANE Premium Grade 2A3-T II Mark II Vacuum Tubes Treasure TubeItem Details新建网页 1After Psvane-T has been launched out successfully for two years, the Psvane-T Mark Ⅱ finally comes out.Due to use of the new materials, design style and manufacturing process, the performance has been significantly improved based on maintaining the original characteristics of Psvane tube.Descriptions:1. By virtue of its smart design of power turbo, the electron current density within the vacuum tube reaches up to the maximum value so that the energy, dynamic performance and saturation of voice can be greatly improved.2. Due to the use of Teflon as its base material, the Psvane Mark Ⅱbecomes more stable and durable.3. The method of aluminum base oxidization is used for coloring to make sure it will never change color or discolor.4. It adopts the completely new gold plated base pin so that the contact performance at the connection part can be much better, thus the loss of small-signal can be reduced to the minimum level.5. The use of carbon crystal technology has greatly improved the stability of electrical property under the condition of working or even ultimate limit within the vacuum tube. Features:2A3-TIIDirectly heated cathode power dual triode for A1, AB1 amplify.Filament heatingUf .............................. 2.5 VIf .............................. 2.5 AStatic parametersUa .............................. 300 V-Ug .............................. 45 VIa .............................. 60 mAGm .............................. 5.25 mA / Vri .............................. 0.8 kΩμ .............................. 4.2Pout .............................. 3.5 WLimit ratingAnode voltage .............................. 300 V.............................. 15 W anode dissipation powerGate resistanceSelf-bias .............................. 0.5 MΩFixed bias .............................. 0.05 MΩElectrode capacitanceInput capacitance .............................. 7.5 PFOutput capacitor .............................. 16.5 PFThe cross road capacitance .............................. 5.5 PFRecommended work status (reference value)Class A1 amplifier (single tube fixed bias)Ua ..................... 250 V-Ug ........................ 45 VRL ........................ 2.5 kΩIa (0) ..................... 60 mAGm ........................ 5.25 Ma / Vri ........................ 0.8 Kωμ ........................ 4.2Pout ........................ 3.5 WDtot ........................ 5%Driving AB1 amplifyFixed bias self-biasUa ............... 300 300 V-Ug ............... 62 Rk = 780Ω VRL ............... 3 5 kΩÜg (pk) ......... 87 110 VIa (0) ............ 80 80 mAIa (max.sig) ... 140 100 mAPout ............... 15 10 WDtot ............... 2.5 5%If you want matched quad, please contact us. All tubes will be factory matched and tested in original package before shipping. We offer one year guaranty. It will be insured when shipped. Packaged includes:Matched pair PSVANE 2A3-T Mark ⅡVacuum Tube（2pcs）PaymentRefund & WarrantyDelivery detailsDelivery timeContact usPaymentWe accept payment via Paypal only. Please contact us if you have any questions.Refund & Warranty* 30 Days for exchange or money back from the date you get the item. * If you are not satisfied with the product you received, please don't use it, and return to us within 30 days. * If you find the package is broken, please refuse to sign, then it will be returned to us. * One year warranty, if there quality problems caused by by non-artificial reason, the company replacement, a one year warranty.Delivery details* Orders processed within 24-48 hours of payment verification ( from Monday to Friday, excpet holidays)* All packages will be shipped out in Securely packaged boxes to make sure it is in good condition.* If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction! Delivery time* For USA buyer: 7-15 Working Days, free shipping via SpeedPAK ; 3-5 Working Days via Expedited Int'l Shipping. (Extra Shipping Cost 20USD )* For Other Countries buyer: 15-35 Working Days (depends on custom), free shipping Via SpeedPAK with tracking number. 3-7 Working Days via Expedited Int'l Shipping. (Extra Shipping Cost 20USD) Contact us* We welcome all e-mails, and happily respond to every e-mail we receive, usuallywithin 24 hours. For fastest reply, please contact us through Ebay messages.* Your positive feedback is important to us.positive feedback is important to us.* We have an excellent team to support our customer service. Please feel free to contact us if you have any questions.

Price: 334.99 USD

Location: Shenzhen

End Time: 2024-12-17T09:08:24.000Z

Shipping Cost: 0 USD