Fezz Audio is not some boutique tube brand trying to sell Americans a misty-eyed postcard from Eastern Europe. Designed and manufactured in Poland, the new Integrated Amplifier arrives in the U.S.

Choosing the best amplifier is an important decision you’ll find yourself making when it comes to setting up your home Hi-Fi or home theater system. Or when stepping up from a soundbar or basic hi-fi.

Our favorite integrated amplifiers for audiophiles in 2025 includes models from WiiM, Advance Paris, Moon by Simaudio, Quad and Marantz. Integrated amplifiers have roared back into the audiophile ...

Scott Nevil is an experienced writer and editor with a demonstrated history of publishing content for Investopedia. He goes in-depth to create informative and actionable content around monetary policy ...

Abstract: Digital predistortion (DPD) has proven to be an efficient method of linearizing power amplifiers (PAs). In recent years, the use of neural networks (NNs) for DPD has gained momentum. This ...

Abstract: As a high-power electronic device, intergrated gate commutated thyristor (IGCT) has the characteristics of strong turn off, high surge capability, and high withstand voltage ability, which ...