Thermionic Culture Ltd. is a boutique British audio company dedicated to all-valve (tube) recording equipment, delivering warmth, depth, and harmonic richness that only true analog tube circuits can provide. Founded by Vic Keary, a veteran recording engineer with decades of experience, Thermionic Culture specializes in purely valve-based compressors, equalizers, and summing mixers, meticulously designed and hand-built in the UK.

Their flagship products, including the Culture Vulture distortion unit, Phoenix Compressor, and Swift Equalizer, have become essential tools for producers, engineers, and mastering specialists seeking rich harmonics, smooth dynamic control, and vintage tonal character. These units are revered for their ability to add color, saturation, and musicality to any recording, making them favorites in both modern and vintage-style studios.

With a philosophy centered on preserving the purity of analog sound, Thermionic Culture remains one of the few companies exclusively committed to tube-based processing, ensuring their gear offers the creamy, organic tones that digital emulations struggle to replicate. Whether shaping a mix or adding warmth to individual tracks, Thermionic Culture is the go-to choice for those who crave real tube magic in their recordings.