fonolab Moving Coil Step-Up Transformers

Time-tested and proven step-up transformers.

Building on our expertise, we continue to unlock the untapped potential of time-tested,

perfectly balanced, high-performance step-up transformers from the golden age of analog recording.

By integrating original circuit designs with modern enclosures and advanced shielding materials,

we bring a fresh perspective to these legendary components.

Our products, featuring top-of-the-line Tamura, Tango, and Nippon Columbia step-up transformers,

are engineered with oversized toroidal cores and exclusive winding technology—hallmarks of true audio excellence.

Below you will find our main SUT models,

special versions and custom models see please here