发烧6J1电子管前级放大器胆机耳放前级胆缓冲效果器diy套件成品
Link to the original- 100 — 1999 шт 5000$ per piece.
- 2000 — 50119 шт 4000$ per piece.
- 50120+ шт 3000$ per piece.
Inspection + photo report for $1.5.
We check the goods and take a photo report so you can make sure you get the right product without faults or damage
Delivery from China to Ukraine, Uzbekistan, European and African countries
Payable upon arrival at the warehouse in China
Returns are only possible while the item is in our warehouse in China. Once the goods have been dispatched from China, they cannot be returned
Photo and product description
6J1发烧胆前级板是仿名机音乐传真X-10D的电路原理设计,加以合理的优化,比原机性能更稳定,电子管发挥提高了百分之十。此机采用单12V交流输入,不必为找高压电源而烦恼 本板自带升压 让你在低供电下享受高压电子管的韵味
电源工作原理:一开电源,电子管灯丝开始加热,此时升压从零电压开始升压,等电子管灯丝热了,升压也刚好升压完,所以这点跟胆整流是一样,8颗470UF的电容滤波非常干净,优良的供电系统才不会有交流声,灯丝是直流12V供电,需要两只管的灯丝是串联的,采用直流灯丝也是为了降低噪声。