Mini 4 Transistor Audio Amplifier Utility 0.8 Watt Schem. Demo A 1975 Circuit, Modernized radiofun232 — 9:44 · 6 ay önce · 1.751 görüntüleme Video Olarak İndir Mp3 Olarak İndir Mini Transistor Audio Amplifier Utility Watt Schem Demo 1975 Circuit Modernized