Founded in 2015 by the Lachowski family—father Lech and sons Maciej and Tomasz—Fezz Audio emerged as a sister company to the established transformer manufacturer Toroidy, which has been producing high-quality toroidal transformers since 1992. Based in the beautiful Podlasie region of north-eastern Poland at Kolonia Koplany 1E, 16-061 Juchnowiec Kościelny near Bialystok, Fezz Audio has revolutionized vacuum tube amplifier design through their pioneering use of toroidal transformers, becoming the first company in the world to incorporate toroidal output transformers in single-ended amplifiers. Under CEO Maciej Lachowski's leadership, who combines his electrical engineering education from Bialystok University of Technology with a passion for music and sound, the company has grown to employ 30 people while maintaining their family business philosophy of creating amplifiers that deliver 'unforgettable emotions and a unique experience.' Drawing from over 30 years of transformer manufacturing expertise at parent company Toroidy, Fezz Audio specializes in both single-ended and push-pull tube amplifier configurations featuring premium tubes including KT88, EL34, and 300B models, with their diverse product lineup spanning the affordable Ovo series to the flagship Lybra 300B parallel single-ended amplifier priced at $5,995. The company's innovative approach combines traditional tube warmth with modern toroidal transformer technology, resulting in amplifiers characterized by exceptional dynamics, wide tonal range, and what audiophiles describe as 'tube-like magic' with enhanced efficiency and reliability. Notable products include the award-winning Silver Luna Prestige integrated amplifier with Russian EL34 pentodes delivering 35Wpc, the efficient Titania stereo amplifier at $3,995, the single-ended Mira Ceti 300B model, and the recently launched Evolution Line that earned the prestigious Red Dot Design Award 2023 for innovative industrial design. Operating with the mission 'Made of Music,' Fezz Audio has established itself as a respected Polish audio manufacturer in the global high-end market through distributors including Audio46, Alma Music and Audio, Bluebird Music, and international partnerships, while maintaining their commitment to reliability, excellent sound quality, modern design, and their core belief that music should be experienced 'in a full spectrum' through products that bring people together and showcase the complete range of musical emotions.
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Fezz Audio Luna Evo and Luna Mini Evo are new integrated tube amplifiers, hand-assembled in Poland, offering refined analog sound and modular expandability with options like DAC, Bluetooth, and phono modules.
Luna Evo operates in class AB with switchable ultralinear (40W) and triode (20W) modes, while Luna Mini Evo is a compact class A single-ended design delivering 10W per channel with minimal distortion (<2.5%).
Both models feature EL34 output tubes, protective tube cages, remote controls, and modern finishes, with Luna Evo available in seven color options and Luna Mini Evo in two.

The Audio Video Show 2025 will be held at PGE Narodowy, Hotel Radisson Blu Sobieski, and Hotel Golden Tulip in Warsaw, Poland, showcasing cutting-edge audio-visual technology.
Featured exhibits include Philips OLED+950 with OLED META 3.0 panel, Gryphon Audio Designs' 3 million PLN audio system, and Falcon Acoustics' Oneiros speakers.
Sony presents the BRAVIA Projector 7 with laser light source offering 2200 lumens brightness, and Kharma Enigma Veyron 2D speakers with diamond tweeters.

The Fezz Audio OVO Evolution is a Class-A single-ended triode tube headphone amplifier featuring EL84 tubes and Toroidy output transformers, designed for precise and spacious sound reproduction.*
It supports headphones with impedances from 16 to 600 Ohms, offers three selectable impedance ranges, and includes three headphone outputs: 6.3mm jack, 4.4mm Pentaconn, and balanced XLR.*
The amplifier is modular, allowing users to add one of three optional modules: Bluetooth (aptX, AAC, MQA), a digital module with AKM DAC, or a phono stage for MM cartridges.*

100W dual-mono design powered by eight KT88 tubes, delivering warm and dynamic audio.
Modular slot allows future upgrades like Bluetooth, DAC, and phono stage.
User-friendly features include remote control, standby mode, and tube pre-heating cycle.
Join the HiFi.fan community to discuss experiences with Fezz Audio gear.