Alimentazione II - Valvole vs. Transistor

#hifi #audiophile #stereo #highfidelity We continue our technical examination of the role of power supply in HiFi. How does power supply affect listening? Why do Norma monophonic amplifiers use fully stabilised power supplies? And what are the main differences between valve and solid-state circuit topologies? Enjoy! 0:00 - Introduction 0:40 - More on tone controls... 6:08 - The presence of mains harmonics in the power supply. 11:19 - How does all this noise affect listening? 14:37 - The stabilised power supply of Norma amplifiers. 21:07 - Switching power supply: what are the problems? 22:33 - What is the real influence of the power supply? 28:04 - Circuit topologies: valves and solid state. 30:22 - Tubes. 34:34 - Solid state. 38:24 - Why are Norma electronics solid state? Previous videos:    • Alimentazione Hi-Fi! Tutto quello che dovr...      • Perché Suonano come Suonano? Introduzione ...      • Preliminari tecnici indispensabili - Perch...      • Partiamo... dall'Amplificatore! (Perché su...