Assembling the final cardsSome modulesThe Quad Timbre Bank PCB assemblyPainting the top and bottomadding the first modulesThe inside detailInside DetailAC power reducerThe lid pulled off and upModule detailAssembling some of the VCOs after the panels are drilled.The new dual power supply.Inside the Hexagon, calibrating VCOs under full load.TH555 VCO under construction