Emission Labs

About Emission Labs

Emission Labs is a specialized hi-fi audio brand founded in 2000, producing high-quality directly heated vacuum tubes in their own factory in the Czech Republic. Renowned for their robust in-house manufacturing, they handle every step—from glasswork to cathode wire production—to ensure independence, quality, and long-term availability. Their product lineup focuses on triodes and other audio tubes prized for sound purity and reliability, and Emission Labs is known for innovations such as gold grid wire and an industry-leading 5-year extended warranty. The brand is widely respected among high-end audio professionals and enthusiasts.