The loudness buttons were more to equalize than to affect the dynamic range. At lower volumes, we perceive mid-range frequencies to be more prominent than at h

The loudness buttons were more to equalize than to affect the dynamic range. At lower volumes, we perceive mid-range frequencies to be more prominent than at higher volumes. The loudness buttons would add lows and highs and/or lower mids so that the music would "sound better" at lower volumes. https://ehomerecordingstudio.com/fletcher-munson-curve/ https://ehomerecordingstudio.com/fletcher-munson-curve/