Sone To Dba Verified

≈ 28–30 dBA (Whisper quiet; typical for high-end bathroom fans) 2 Sones ≈ 38–40 dBA (Quiet office noise) 4 Sones ≈ 48–50 dBA (Standard conversation) 3. What Does "Verified" Mean?

For most consumer and HVAC equipment (1–8 Sone range), a verified empirical relationship developed by acoustic engineers at the University of Salford and adapted by ASHRAE is: sone to dba verified