Zero Feedback 100mW Hi Fi Tube - BJT Amplifer using Hi Voltage Power Supply by DC DC Boost Converter.
Boost and Buck Board provide to give:
VAS Tube Supply: 190Vdc
Curret Buffer Amplifer Supply: 30Vdc
Heater voltage 6.3Vdc by Step Down converter
All voltages obtained starting from 12-24Vdc power supply, as Desktop power supply or Battery
|DC DC Step Up and Step Down Board|