Sone To Dba Verified -

While Sones provide a linear scale (where 2 Sones is twice as loud as 1), dBA is logarithmic. A rating of 1 Sone is approximately equivalent to 28–40 dBA depending on the frequency spectrum.

Our chart says 39 dBA. (Wait—variance alert!) sone to dba verified

Phons measure loudness level, while sones measure loudness perception. The relationship is: 1 sone = 40 phons . The phon scale aligns with dB (logarithmic), while the sone scale is linear. Doubling the sone value doubles perceived loudness, which corresponds to approximately a 10 phon (or 10 dB at 1 kHz) increase . While Sones provide a linear scale (where 2

[ L_A \approx 40 + 10 \cdot \log_2(S) ]

This table is verified for 60 Hz AC motors operating in free-air conditions at 1-meter distance, hemisphere. sone to dba verified