Matched Pair Psvane 300B-T Mark II Vacuum Tube Treasure Tubes (2pcs) 300B-TII

Description: Matched Pair Psvane 300B-T Mark II Vacuum Tube Treasure Tubes (2pcs) 300B-TIIItem 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:300B-TIIDepartment directly heated cathode in power transistorUsed for Class A1 amplifier. Adaptation in the audio amplifier for output power requirements in 10W occasions.Filament heatingUf (DC) .................. 5VIf (DC) ............... 1.2AStatic parametersUa ........................ 300V-Ug ..................... 60VIa ........................ 60mAGm ........................ 5.5mA / Vri ........................ 0.7 KΩu ........................ 3.85Pout ..................... 6.6WLimit ratingAnode voltage ............... 480VThe anodic power dissipation ......... 40WCathode currentSelf-bias .................. 100 mAFixed bias ............... 70 mAElectrode capacitanceInput capacitance ............... 9PFOutput capacitor ............... 4.3PFThe cross road capacitance ............... 15PFTypical operating parametersAudio amplifierClass A1 amplifier:Ua-Ug Ia RL Pout 2ndV V mA Ω W db200 42 30 2000 3 20200 39 40 2500 2.6 26250 55 30 2000 4.9 18250 52 40 3000 4.0 26250 50 50 2500 4.4 26250 48 60 2000 4.7 26250 48 60 2700 4.1 30250 45 80 1500 5.0 26300 65 40 2500 6.7 20300 63 50 2000 7.2 21300 63 50 3000 6.1 26300 61 60 2400 6.6 26300 58 80 1700 7.5 26350 76 50 3600 7.8 26350 74 60 2000 10.2 21350 74 60 3000 8.3 26350 74 60 4000 7.0 30350 71 80 2200 9.6 26400 91 40 5000 8.4 26400 89 50 1000 11.5 21400 89 50 4000 9.4 25400 87 60 3500 10.5 26400 84 80 2500 12.5 25450 104 40 6000 9.5 26450 102 50 5000 10.7If 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 300B-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: 449.99 USD

Location: Shenzhen

End Time: 2024-08-17T08:07:15.000Z

Shipping Cost: 0 USD