Headphone Amp incl. Stereo Simulation – Build Instructions [featured_image] Headphone Amp incl. Stereo Simulation - Build Instructions Download is available until [expire_date] Version Download 13641 File Size 792.07 KB File Count 1 Create Date 10 July, 2015 Last Updated 1 May, 2026 Headphone Amp incl. Stereo Simulation - Build Instructions Headphone Super-Mini Amp V1.0b Build Instructions JFET-Vulcan – Build Instructions