Simple powersupply unit for amplifier. Design option.Self-assembly of low-frequency amplifiers with popular microcircuits of different capacity has become w 5V dc powersupply (part 1 of 3) This video shows the steps involved in the design of a 5v dc powersupplycircuit from flow charting, circuit design to eval Valve (Tube) Regulated Power Supplies Choose one of these tried ‘n’ true circuits to meet your powersupply needs. reference circuit. Do you use a zener London Power's super-low-noise supply kit for tubeamps: PCB + components less transformer. PowerSupply Design for Vacuum Tube Amplifiers and when the amp is approaching full power the Basic TubePower Supplies DIY Audio Home. TubepowersupplyPCB with bias supply. For my 815 amp, as well as other projects, I designed a PCB that provides HV rectifiers and filter caps plus an isolated supply that can be used as a negative bias supply. Building a Stereo TubeAmp. By thobson in Technology Audio. Do the diodes and caps in this main powersupplycircuit somehow double this voltage again?? London Power's super-low-noise powersupply kit for tubepoweramp. TubeAmp Negative Grid Bias PowerSupplyPCB Assembled 2 channel for PP orSE Tube 6X4 rectified HV and filament regulated PSU for tubeampPCB 1 piece ! Brand New The basic principles of a Valve Tube amplifier . X This 7 page chapter on valve amps is centred on understanding the operation of with a 375V DC powersupply.