Description

6J1 Tube Preamplifier Kit Diy Vacuum Pre Amp Board PRT-01A Description: 6J1 is a side-by-side power cut-off pentode,on the past tube millivolt meter and other instrument-level equipment, you can see her small figure, enough to prove the stability of the tube, because the possession of a great, High, but the performance is not weak. Many old burns have played the tube and recognized the tube. Feature: PRT-01A using transistor connection, low distortion, good linearity, quiescent current set in 2.6MA, the whole class A working state.PRT-01A is designed to integrated board, DC filament power supply, high voltage with voltage regulator and electronic filter with direct streaking. Filament part: AC6-12V not less than 500MA (when more than 9VAC input, please note that the heat sink heat) High pressure part: AC200-240V, not less than 10MA Special Note: In order to reduce the high voltage part of the power supply resistance, this version is not designed to install the discharge resistance, so after the power off part of the high voltage part of the discharge is extremely slow, do not touch the high voltage part of the device Package: 1pc 6J1 Tube Preamplifier Kit Payment Method: PayPal preferred Shippment: 1.We provide free shipping to international via China Post Airmail or Hong Kong Post Airmail, and every parcel will be registered with tracking number. We can also ship by UPS/EMS/DHL/FedEx for alternative shipping method for corresponding fees. Please let us know before payment if you need split shipment. 2.International shipping requires complicated shipping procedures (such as both countries customs, transit stations etc.), also will be affected by many factors, such as holidays, weather conditions etc, If you have not received your shipment within 30 days from payment, please contact us. 3.Time of Delivery:Based on the China Post Airmail or Hong Kong Post Airmail and our experience, kindly please be noted that To United States / United Kingdom / Australia, it takes around 10-15 business days; To Canada, it takes around 12-18 business days; To Brazil / South America, it takes around 25-35 business days. To Italy / France / Spain / Germany/ Eastern Europe, it takes aournd 15-20 business days. Returns & Replacements & Repair: We accept returns & replacements within 30 days from the day the customer receive the products, please make first contact within 30 days from receiving the order. Products should be returned in original condition. As a benefit to our customers, we also provide repair within 3 months from the day when this item is shipped out, after repair is done, we will send you the item, but the customer should pay both shipping ways. Feedback: 1)Your Feedback is really important to us, please take a few seconds to leave great feedback if you are satisfied with our product or service, thank you so much! 2)We always offer the lowest price for best goods and service to you. 3) Please contact us before leaving neutral(3 stars) or negative(1-2 stars) feedback.We will try our best to solve the problem and leave you a happy shopping mood here. Thank you!