Quadratic Audio

About Quadratic Audio

Quadratic Audio is a U.S.-based HiFi audio brand specializing in high-end step-up transformers (SUTs) for moving coil phono cartridges. Founded and led by Jam Somasundram, a veteran audio designer previously associated with Pass Labs and Cary Audio, the brand collaborates with CineMag, a renowned audio transformer manufacturer. Quadratic Audio is known for premium passive step-up devices like the MC-1 and MC-2, designed and manufactured in the USA using proprietary transformer technology and high-quality components. The products emphasize wide bandwidth, low noise, and superior musicality, targeting demanding vinyl enthusiasts and audiophiles.