Details:
High voltage :DC180V - DC300V,also can other voltage ouput .
Filament voltage :DC6.3V and DC12.6V optional, current maximum is 3A
install 200R+820R get DC6.3V
install 200R+1.8K get DC12.6V
Filament filter using LT1085 3A regulator
Use of FET combined with regulator
Use double 6Z4 tube rectifier bridge
Size: 108X98mm
Package included:
Hifi Assembled 6Z4 Tube Filament Filter Power Supply Board x1
6z4 tube x2