The One


Driven by equipment, shaped by experience…

…judged by ears

The heart of eMastering…
The One is eMasterings’ flagship studio — the beating heart and personal homebase of founder Erwin Maas, where world-class mastering comes alive.
Fueled by the highest-grade of analog equipment, shaped by Erwin’s decades of experience, and ultimated judged by his trusted ears. This is a place without compromise.

Step inside The One…

  • Step into a world of balance, depth and detail — crafted in a 180m³ mastering environment equipped with legendary tools such as Pultec, Fairchild and Maselec.
    A space designed for musical translation and precision, where every decision is shaped by tone, texture and the character of true analog warmth.

Where experience leads, and ears decide

The art of mastering, refined for your music, shaped by over 25 years of dedication and critical listening.

Welcome to Erwin’s world. Welcome to eMastering!