NuTubeAmp (EAGLE 6.3.0) NuTube 6P1 25W Hybrid Amplifier Eagle CAD 6.3.0: Eagle CAD Schematics (.sch) Eagle CAD Layout (.brd) Bill of Materials (txt, csv, xlsx) Components library (.lbr) FreeCAD 16.0: 3D CAD NuTube box (NuTube / 12AX7)