ucd

HiFi-n00b here. After reading various threads (here and elsewhere) about amplifier wattage requirements, and making some detailed spreadsheets about available amplifiers and about my particular wattage needs, and thereby getting depressed (at the lack of consensus/confidence), I decided to go...

I would like to open the thread dealing with important publications on class D amplifiers principles, topologies, characteristics and limitations. One of the great sources is the Hypex publications library at https://www.hypex.nl/p/application-notes-white-papers/ The most explaining and...

Hypex UcD180HG HxR module analysis and review After buying and testing AIYIMA A07 amplifier (based on TPA3255 class D chip) in January 2021 I was quite disappointed with the frequency response modulated by speaker complex impedance and its audible consequences. This is, unfortunately...

I will start with some information about two audiophile Class-D amplifier pioneers - Tripath and Hypex. In spite of the disdain displayed by some traditionalist audio enthusiasts for Class-D, these pioneering efforts were based on rigorous engineering, not unicorn fairy dust and other...